Document:

Turbine Driven Equipment Installation Agreement

 Exhibit 10.23 
 CERTAIN MATERIAL (INDICATED BY THREE ASTERISKS) HAS BEEN OMITTED FROM THIS DOCUMENT PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. 
 TURBINE DRIVEN EQUIPMENT 
 INSTALLATION AGREEMENT 
 This Turbine Driven Equipment Installation
Agreement (“Agreement”) is executed as of the dates set forth below but shall be effective as of September 22, 2011, by and between Green Field Energy Services, Inc. (f/k/a Green Field Energy Services, LLC) (“Company”), and
Turbine Powered Technology, LLC (“Contractor”). 
 RECITALS 

WHEREAS, Company operates an oil and gas service company; 
 WHEREAS, Company owns and/or is in the process of acquiring various pieces of trailer and skid mounted turbine driven equipment; 

WHEREAS, Company entered into an Equipment Purchase Agreement with Marine Turbine Technology, LLC (“MTT”) effective
July 8, 2011, wherein MTT has agreed to sell and Company has agreed to purchase, [***] initial turbine engines and MTT agreed to make available to Company an additional [***] turbine engines, with accessory equipment; 

WHEREAS, MTT’s rights and obligations under the Equipment Purchase Agreement, as amended (the “EPA”), are to be
assigned and transferred to Contractor to allow Contractor to provide equipment and services to Company; 
 WHEREAS,
Company has paid MTT: i) [***] for [***] initial turbine engines, with accessory equipment and [***] gear boxes; and ii) [***] for [***] initial turbine engines, with accessory equipment under the terms of the EPA. 

WHEREAS, Company owes MTT an additional [***], for an additional [***] initial turbine engines, with accessory equipment under the
terms of the EPA; 
 WHEREAS, MTT is ready to assign and transfer its rights and obligations under the EPA to Contractor,
with the exception of MTT’s right to receive payment for the remaining [***] initial turbine engines; 
 WHEREAS,
MTT, in furtherance of its obligations under the EPA, has negotiated on behalf of Contractor, that certain Vendor Agreement by and between Advanced Turbine Services, LLC and Contractor, whereby Advanced Turbine Services, LLC shall make available to
Company, through Contractor, an additional [***] turbine engines; 
  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 

 WHEREAS, Contractor (and/or its contractors and vendors), specializes in the design,
manufacture, remanufacture, rebuilding, assembly, disassembly, maintenance, product improvement initiatives, repair development and field services for turbine engines and accessory equipment; 

WHEREAS, Company is in need of: i) a supply of turbine engines; and ii) expert installation services with respect to installing
the turbine engines with accessory equipment, gearboxes, hydraulic and electrical systems and components, on trailers or in skids; 
 NOW THEREFORE, in consideration of the mutual covenants, undertakings and conditions set forth below, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as
follows: 
 ARTICLE 1 
 AGREEMENT 
 Section 1.1—Agreement. This
Agreement consists of the terms and conditions set forth in the sections captioned by numbered article designations (“Articles”) and the following appendices, which are incorporated and made part this Agreement by this reference and are
included in any reference to this Agreement. 
  

	 	Appendix A –	Assignment and Assumption; 

  

	 	Appendix B –	Scope of Contractor’s Services for Installation of Turbine Engines, Accessory Equipment, Gearboxes, Hydraulic and Electrical Systems and Components;

  

	 	Appendix C –	Compensation; and 

  

	 	Appendix D –	Warranty on Contractor’s Services / Vendor’s Warranty 

 If the terms and conditions of the Articles of this Agreement vary or are inconsistent with any portion of the Appendices, the terms of the Appendices shall control and be given priority, and the
provisions of this Agreement shall be subject to the terms of the Appendices. This Agreement contains the entire agreement between the parties and supersedes all prior agreements, whether oral or written, between the parties with respect to the
subject matter of this Agreement. Neither party will be bound by or be deemed to have made any representations, warranties, commitments or other undertakings with respect to the subject matter of this Agreement that are not contained in this
Agreement. 
 Section 1.2—Effective Date and Term. This Agreement will begin and is
effective on September 22, 2011 and will expire on June 30, 2014 (the “Initial Term”). 
  
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The term of this Agreement shall be automatically extended for two additional three (3) year terms (each an “Extension Term”), unless either party opts to terminate by providing
written notice of such election on or before February 1, 2014 with respect to the first Extension Term or on or before February 1, 2017 with respect to the Second Extension Term. 

Section 1.3—Relationship of The Parties. Contractor has been retained by Company as an independent
contractor in order to install any turbine engines, accessory equipment, gearboxes, hydraulic and electrical systems and components which Company may acquire onto trailers and/or into skids. Contractor, through the Assignment / Assumption of
Obligations under the Equipment Purchase Agreement (see Appendix A), and that certain Vendor Agreement by and between Advanced Turbine Services, LLC and Contractor, has certain rights to be the exclusive supplier of turbine engines to Company and
during the Initial Term shall be the exclusive provider of installation services with respect to turbine engines procured thereunder and shall install said turbine engines on trailers or into skids as required by Company pursuant to the terms of
this Agreement. For avoidance of doubt, nothing in this Agreement shall impose any obligation on Company to procure turbine engines exclusively from Contractor. Contractor’s obligations hereunder apply regardless of whether the turbine engines
to be installed were sourced by Contractor. 
 Section 1.4—Representatives. Company and
Contractor shall each designate a representative (“Designated Representative”) to act on its behalf in overseeing the performance of this Agreement. Company and Contractor may change their respective Designated Representatives upon written
notice to the other party given as provided in this Agreement. Designated Representatives shall be the primary means for communication and all other interactions between Company and Contractor that are required under this Agreement. 

ARTICLE 2 
 DEFINITIONS 
 Definitions. Unless otherwise required by the
context in which a defined term appears, the following terms shall have the meanings specified in this Article 2. Terms that are defined in other Articles shall have the meanings given to them in those Articles. 

The term “accessory equipment” means the following equipment; engine seal and gasket kits, N1 Tach generator, Kevlar blankets, brake kits, N 1
accessory drive pad, turbine charging system and batteries, intake screens, starter generator, couplings, exhaust tail pipes with ceramic insulation blanket and mechanical engine instrument package. 

 
 *** Certain information in this document has been omitted and filed
separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

  
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 The term “gearboxes” shall mean any and all reduction or accessory gearboxes, including but not
limited to those parts, assemblies and components furnished to Company by outside vendors such as CB Gears, which are used in conjunction with turbine engines. 
 The term “hydraulic and electrical systems and components” shall mean any and all hydraulic pumps, hoses, systems, electrical systems, wiring components and controls, including but not limited
to those parts, assemblies and components furnished to Company by outside vendors such as Lime Electrical and EBR Services, which are used in conjunction with turbine engines. 
 The term “Services” has the meaning set forth in Article 3.1. 
 The term “Operating
Manuals” means the operating data, design drawings, specifications, vendors’ manuals, warranty requirements, procedures (including those for maintenance of the Turbine Driven Equipment, gearboxes, hydraulic and electrical systems and
components, and environmental and safety compliance), and similar materials with respect to the Turbine Driven Equipment. 
 The term
“turbine engine” means any turbine engine acquired by Company (whether now owned or acquired in the future). 

ARTICLE 3 
 SERVICES 
 Section 3.1—Scope of Contractor’s
Services for Installation of Turbine Engines on Trailers or into Skids. Contractor shall install all turbine engines, accessory equipment, and gearboxes acquired by Company onto trailers or into skids, as directed by Company, Contractor
further agrees to provide, where able, any additional services not herein described to Company as is necessary for Company to benefit from the Contractor’s supply and installation of turbines and accessory equipment as provided under this
Agreement. Should the Contractor be unable to or unwilling to supply a service because it cannot reasonably do so, Company is free to procure said necessary services from third parties free from any exclusivity restrictions hereunder; provided
however, that should Contractor thereafter be able and willing to supply said necessary services, Company shall procure said services from Contractor. The scope of the Contractor’s services for installation of turbine engines, accessory
equipment, and all gearboxes is more fully described on Appendix “B” attached hereto. 

Section 3.2—Standards for Performance of the Services. Contractor shall perform the Services required
under this Agreement, in a prudent, reasonable, and efficient manner and in accordance with the Operating Manuals and applicable vendor warranties. Contractor shall provide all Services in compliance with all applicable laws, codes and industry
standards. Contractor agrees that it is performing Services at the 
  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 

  
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direction of Company and will heed Company’s instructions regarding the timing, conditions, and scope of such Services provided the same are not in conflict with the terms and provisions of
this Agreement or applicable laws, codes and industry standards. 
 Section 3.3—Contractor’s
Personnel Standards. Contractor shall provide as reasonably necessary all labor and professional, supervisory and managerial personnel as are required to perform the Services. All individuals employed by Contractor to perform the Services
shall be employees of Contractor (or its contractors), and their working hours, rates of compensation and all other matters shall be determined solely by Contractor. 
 Section 3.4—Operating Records and Reports. Contractor shall develop and maintain equipment logs, records, and reports that document the installation of the turbine engines,
accessory equipment and the gearboxes, hydraulic and electrical systems and components, all in form and substance as may be reasonable required by Company. Contractor shall maintain current revisions of drawings, specifications, lists,
clarifications and other materials related to the installation of the same. 
 Section 3.5—No Liens or
Encumbrances. Contractor shall install the turbine engines, accessory equipment and the gearboxes, hydraulic and electrical systems and components, free and clear of all liens and encumbrances resulting from any action of Contractor or work
done at the request of Contractor, except for such liens or encumbrances imposed as a matter of law that result directly from nonpayment by Company for Services provided. 
 ARTICLE 4 
 COMPANY RESPONSIBILITIES 

Information. At Contractor’s request, Company shall provide Contractor with all vendor manuals, spare parts lists,
equipment data books and drawings which are provided to Company by any vendor or contractor, which information is reasonable or necessary in order for Contractor to perform the Services hereunder. Contractor shall be entitled to rely upon such
information in performance of the Services. 
 ARTICLE 5 

COMPENSATION AND PAYMENT 
 Section 5.1—Payments. As compensation to Contractor for performance of the Services hereunder, Company shall pay Contractor as provided on Appendix C attached hereto.

 Section 5.2—Billing and Payment. Periodically, Contractor shall submit invoices for Services
performed to Company. Upon receipt, Company shall pay the sum 
  
 ***
Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

  
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specified in such invoice, less (i) any amounts previously deposited with Contractor relating to such invoice, and (ii) any portion of such invoice amount that Company disputes in good
faith. With respect to any disputed portion of such invoice, Company shall provide Contractor with a written statement explaining, in reasonable detail, the basis for such dispute. The parties shall attempt to resolve any such disputed portion in
accordance with Article 9. 
 Section 5.3—Interest. Any amount owed by Company to Contractor
which remains unpaid more than 10 days after the invoice date shall begin to accrue interest at the rate of [***] percent per annum, until paid in full. In the event that Contractor places any invoice or amount owed by Company in the hands of an
attorney for collection, Company shall pay Contractor’s reasonable attorney’s fees, in an amount equal to [***] of the principal balance owed, plus all court costs, arbitration costs and/or costs of collection. 

ARTICLE 6 
 TERMINATION 
 This Agreement will be subject to termination prior to the
expiration of the term if Contractor defaults in performing any of the terms or is otherwise in material breach of this Agreement and fails to remedy the default or cure the breach within a period of thirty (30) days (the “cure
period”) after receipt of written notice describing the particulars thereof. In the event that Contractor fails to cure the default within the cure period, then Company may thereafter terminate this Agreement upon written notice to Contractor
provided at least thirty (30) days before the time such termination is to take place. 
 This Agreement will be subject to
termination prior to the expiration of the term if Company defaults in performing any of the terms or is otherwise in material breach of this Agreement and fails to remedy the default or cure the breach within a period of thirty (30) days (the
“cure period”) after receipt of written notice describing the particulars thereof. In the event that Company fails to cure the default within the cure period, then Contractor may thereafter terminate this Agreement upon written notice to
Company provided at least thirty (30) days before the time such termination is to take place. 
 The parties reserve the
right at any time during the life of this Agreement to terminate this Agreement in their absolute discretion on 60 days’ notice in the event that, 
 i) another party becomes insolvent; or 
  
 *** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

  
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 (ii) any voluntary or involuntary petition in bankruptcy or for corporate reorganization or
for any similar relief is filed by or against another party and, in the case of an involuntary petition, such petition is not dismissed within 90 days after such filing; or 
 ii) a liquidation proceeding is commenced by or against another party, and, in the case of an involuntary proceeding, such proceeding is not dismissed within 90 days after commencement thereof.

 ARTICLE 7 
 CONFIDENTIALITY 
 Section 7.1—“Confidential
Information” means, without limitation, all non-public information including, but not limited to, ideas, trade secrets, know-how, research and development, training, software, programs, hardware configuration information, price lists, data,
manuals, handbooks, sponsors, investors, business strategies and plans, marketing, sales records, drawings, specifications, designs, materials, parts lists, customer lists, consumer information, suppliers, contract terms, test criteria, vendor
lists, financial information, and all other information or data of any kind or character, relating to the business of Company or Contractor, whether or not reduced to writing. However, Confidential Information shall not include any information which
has been or become publicly known, is provided to a party from another person with the right to disclosure such information or is independently generated by a party without reference to any Confidential Information. 

Section 7.2—As a condition to entering into the Agreement and furnishing its Confidential Information, each Party (a
“receiving Party”) hereto hereby agrees to refrain from disclosing (including but not limited to by any press release or other public dissemination) any Confidential Information (whether written, oral or in any other form and whether
prepared by a disclosing Party, its advisors, or otherwise) that is disclosed to it, or to which it is allowed access, by or on behalf of the other Party (a “disclosing Party”) provided that such Confidential Information is either marked
as “CONFIDENTIAL” or otherwise described and designated as “CONFIDENTIAL in writing by the disclosing Party. Notwithstanding the foregoing, Confidential Information may be disclosed to: (a) a Party’s directors, officers,
employees, agents, advisors and representatives of such advisors (the persons to whom such disclosure is permissible being collectively called “Representatives”) who need to know such information; (b) third party contractors providing
services relating to the subject matter of the Agreement who have been bound by confidentiality restrictions as protective as those herein; and (c) governmental authorities or others as may be required by law. 

Section 7.3—Each Party hereby agrees that any such Confidential Information made available to it will be used solely for
the purpose of performing its obligations or enjoying the benefits under the Agreement. In addition, without prior written consent of the 
  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 

  
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disclosing Party, the receiving Party shall not disclose the fact that the Confidential Information has been made available to it. Furthermore, Contractor acknowledges that Company may need to
disclose to its customers in the ordinary course (manual revisions, schematics, reverse engineerable devices, and so forth) some of the materials created by Contractor in connection with Services provided which may contain Confidential Information
and Contractor consents to such disclosure and use. Each Party agrees to be responsible for any breach of this Agreement by its Representatives. 
 Section 7.4—Subject to Company’s rights to maintain and use any material to which it is entitled as a licensee of the Frac Stack Pack Technology, in the event of: (i) a
termination or expiration of the Agreement or (ii) upon the disclosing Party’s request, all as may be indicated in a writing delivered by the disclosing Party to the receiving Party, then (a) the receiving Party shall promptly collect
from all of its officers, directors, employees and Representatives all written materials containing, embodying or based on Confidential Information disclosed to it and destroy such materials, without retaining any copies, extracts or other
reproductions in whole or in part of such written material, and (b) the receiving Party shall promptly delete from any of its computer or electronic or digital information storage devices or systems, any electronic or digital form of the
Confidential Information or information derived therefrom; provided however, that a Party’s counsel may retain one copy of any such Confidential Information for evidentiary purposes. 

ARTICLE 8 
 INTELLECTUAL PROPERTY, DOCUMENTS, INFORMATION AND/OR DATA 

Section 8.1—Documents, Information and/or Data. All patents, trade secrets, proprietary information and/or
data, and all similar intellectual property rights (“Intellectual Property”) developed by Contractor, its employees, representatives or sub-contractors in connection with the performance of the Services under this Agreement, shall be and
remain the property of Contractor. Company shall execute any and all documents reasonable or necessary in order to evidence Contractor’s ownership of such Intellectual Property. In the event that Contractor performs any of its obligations
hereunder through vendors or third parties, any Intellectual Property generated in the performance of said Services for Company shall be and remain the property of Contractor. Company agrees that it shall not remove any notices or legends pertaining
to protection of Contractor’s Intellectual Property from materials provided to Company by Contractor in performance of the Services. 
 Section 8.2—Contractor agrees that any Intellectual Property covered by Section 8.1 above shall be covered under the grant to Company of a license under the Turbine Driven Equipment
License Agreement, executed on October 25, 2011 and effective as of September 22, 2011. 

Section 8.3—Company shall cooperate with Contractor at Contractor’s expense in the event that Contractor desires to
seek intellectual property protection and/or 
  
 *** Certain
information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

  
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approval, including patent, trademark, servicemark or copyright protection, for all or any part of the Intellectual Property and Company shall execute any and all documents reasonable or
necessary in order to acquire such approval. 
 Section 8.4—Contractor shall have the sole right to prepare,
file, prosecute and maintain patent applications or trademark applications or service mark applications or registrations of any nature or kind with respect to the Intellectual Property. All such applications and registrations shall be at
Contractor’s expense.
 ARTICLE 9 
 RESOLUTION OF DISPUTES 
 Section 9.1—Choice of Law /
Dispute Resolution. This Agreement shall be governed by and construed under and in accordance with the laws of the State of Louisiana without regard to conflicts of law principles that would require application of any other law. In
the event of any dispute, claim, question, or disagreement (the “dispute”) arising from or relating to this Agreement or the breach hereof, the parties hereto shall use their best efforts to settle the dispute by normal business
discussions. Should such discussions fail to resolve the dispute, any party may give the other a written notice of any remaining dispute. Upon notice by either party to the other, all disputes, claims, questions, or differences (including issues
relating to the formation of this Agreement and the validity of this arbitration clause) shall be finally settled by binding arbitration administered by the American Arbitration Association (“AAA”) in accordance with the provisions of its
Commercial Arbitration Rules, as well as the Federal Rules of Civil Procedure and the Federal Rules of Evidence, and judgment on the award rendered by the arbitrator(s) may be entered in any court having jurisdiction thereof. 

The arbitration panel shall consist of a single arbitrator, unless otherwise agreed to by the parties. The place of arbitration shall be
Lafayette, Louisiana. If the parties are not able to decide upon a neutral third party arbitrator within thirty (30) days of the request for arbitration, then the AAA shall select an arbitrator. All proceedings will be conducted in English. The
parties agree to hold the entirety of the arbitration proceedings, including knowledge of the existence of any dispute or controversy, completely confidential except for such disclosures as might be required by law. This agreement to arbitrate does
not limit or affect the right of either party to seek from any court having jurisdiction any interim, interlocutory, or provisional relief that is necessary to protect the rights or property of that party. Alternatively, either party may apply to
the AAA pursuant to the AAA Optional Rules for Emergency Measures seeking injunctive relief until the arbitration award is rendered or the controversy is otherwise resolved. 
 Section 9.2—Continued Performance. During the pendency of any arbitration, Contractor and Company shall continue to perform their obligations under this Agreement.

  
 *** Certain information in this document has been omitted and
filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

  
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 ARTICLE 10 

MISCELLANEOUS PROVISIONS 
 Section 10.1—Assignment. Neither party may assign its rights or obligations under this Agreement without the prior written consent of the other party hereto; however,
Company may assign this Agreement in connection with the sale or reorganization of its business and additionally may grant a security interest in this Agreement in connection with any Company financing arrangements. 

Section 10.2—Amendments. No amendments or modifications of this Agreement shall be valid unless evidenced
in writing and signed by duly authorized representatives of both parties. 

Section 10.3—Survival. Notwithstanding any provisions herein to the contrary, the obligations set forth in
Articles 5, 7, 8 and 9 shall survive in full force and remain in effect for a period of three (3) years after the expiration or termination of this Agreement. 
 Section 10.4—No Waiver. It is understood and agreed that any delay, waiver or omission by Company or Contractor with respect to enforcement of required performance by the
other under this Agreement shall not be construed to be a waiver by Company or Contractor of any subsequent breach or default of the same or other required performance on the part of Company or Contractor. 

Section 10.5—Notices. All notices and other communications (collectively “Notices”) required or
permitted under this Agreement shall be in writing and shall be given to each party at its address or fax number set forth in this Section 10.5 or at such other address or fax number as hereafter specified as provided in this Section 10.5.
All Notices shall be (i) delivered personally or (ii) sent by fax, electronic mail, telegraph, registered or certified mail (return receipt requested and postage prepaid), or (iii) sent by a nationally recognized overnight courier
service. Notices shall be deemed to given (A) when transmitted if sent by fax, electronic mail, or telegraph (provided the transmittal is confirmed), or (B) upon receipt by the intended recipient if given by any other means. Notices shall
be sent to the following addresses: 
 To Company: 

Earl Blackwell, CFO 
 Green Field Energy Services, L.L.C. 
 4023 Ambassador Caffery Parkway, Suite 200

 Lafayette, LA 70503 
  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 

  
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 With a copy to: 
 Frank S. Slavich, III 
 Babineaux, Poché, Anthony & Slavich, LLC

 1201 Camellia Blvd. Ste. 300 
 Lafayette, LA 70508 
 To Contractor: 

Ted Lee McIntyre, II 
 Turbine Powered Technology, LLC 
 298 Louisiana Road 

Port of West St. Mary 
 Franklin, LA 70538-7607 
 With a copy to: 

Craig A. Ryan 

298 Louisiana Road 
 Port of West St. Mary 
 Franklin, LA 70538-7607 

Section 10.6—Representations And Warranties. Each party represents and warrants to the other party that:

 (a) such party has the full power and authority to execute, deliver and perform this Agreement and to carry out the
transactions contemplated hereby; 
 (b) to the best of such party’s knowledge, the execution, delivery and performance by
such party of this Agreement, does not and will not materially conflict with any legal, contractual, or organizational requirement of such party; and 
 (c) there are no pending or threatened legal, administrative, or other proceedings that if adversely determined, could reasonably be expected to have a material adverse effect on such party’s ability
to perform its obligations under this Agreement. 
 Section 10.7—Counterparts. The parties may
execute this Agreement in counterparts, which shall, in the aggregate, when signed by both parties constitute one instrument. Thereafter, each counterpart shall be deemed an original instrument as against any party who has signed it. The parties
acknowledge and agree that execution of this Agreement may be evidenced by facsimile, electronic or digital transmission. 

Section 10.8—Partial Invalidity. If any term, provision, covenant or condition of this Agreement is held
by a tribunal or court of competent jurisdiction to be invalid, void or unenforceable, the rest of this Agreement shall remain in full force and effect and in no way be affected, impaired or invalidated. 

 
 *** Certain information in this document has been omitted and filed
separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

  
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 Section 10.9—Vendor’s / Subcontractor’s Warranties.
For Company’s benefit, Contractor shall obtain from sellers of equipment or material and from any subcontractor’s providing services to Company through Contractor, warranties against defects in materials and workmanship to the extent such
warranties are reasonably obtainable, and, to the extent of any such warranties actually obtained, Company releases Contractor from any further liability arising in respect of such equipment, material or services to the extent such liability is
covered by any such warranty. Contractor itself shall not be liable for any such warranties or for any defects or damage caused by such equipment, material or services. Upon Company’s request, Contractor agrees to assist Company to enforce said
warranties. Each such warranty shall be enforceable by Company for Company’s benefit or assignable by Contractor to Company without any further action or consent by or on the part of any third party. Unless otherwise requested, Company shall
administer such warranties and immediately notify Contractor of any defects discovered or suspected that may be covered by such warranties. 
 Section 10.10—Contractor’s Warranties. Contractor’s warranty shall be as set forth on Appendix “D”. 

 
 *** Certain information in this document has been omitted and filed
separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

  
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 IN WITNESS WHEREOF, the parties have executed this Agreement through their duly authorized
officers as of the date set forth in the preamble to this Agreement. 
 CONTRACTOR: 

 

			
	Turbine Powered Technology, LLC
		
	By:	 	 /s/ Ted J. McIntyre II

	 Name:
 Title:
	 	 Ted J. McIntyre II
 Managing
Member

	 Date: October 23, 2011

  

			
	Marine Turbine Technologies, LLC
		
	By:	 	 /s/ Ted J. McIntyre II

	 Name:
 Title:
	 	 Ted J. McIntyre II
 Managing
Member

	 Date: October 23, 2011

  
 *** Certain information in this document has
been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 
 [Signature page to Installation Agreement] 

  

 IN WITNESS WHEREOF, the parties have executed this Agreement through their duly authorized
officers as of the date set forth in the preamble to this Agreement. 
 COMPANY: 

 

			
	Graeen Field Energy Services, Inc.
		
	By:	 	 /s/ Michel B.
Moreno            

	Name:	 	Michel B. Moreno            
	Title:	 	CEO            

 Date: 10/23/2011 
  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 
 [Signature page to Installation Agreement] 

  

 APPENDIX A 

Assignment and Assumption 
 This Assignment and Assumption (this “Assignment”) is executed as of the dates set forth below but shall be effective as of September 22, 2011, by and between Green Field Energy Services,
Inc. (f/k/a Green Field Energy Services, LLC) (“Company”), Turbine Powered Technology, LLC (“Contractor”), and Marine Turbine Technologies, LLC (“MTT”). 

MTT hereby assigns to Contractor, and Contractor hereby assumes from MTT, all of MTT’s rights and obligations
under the Equipment Purchase Agreement dated effective July 8, 2011, as amended (the “EPA”), with the exception of MTT’s right to receive payment for the [***] Initial Turbine Engines1 from Company. As of the date of execution of this Assignment, MTT has
been paid: i) [***] for [***] Initial Turbine Engines, with accessory equipment and [***] gear boxes; and ii) [***] for [***] Initial Turbine Engines, with accessory equipment. MTT is owed [***] for an additional [***] Initial Turbine Engines, with
accessory equipment which shall be paid in accordance with the EPA. MTT shall remain the owner of the additional [***] Initial Turbine Engines, with accessory equipment until receipt of payment. This Assignment shall be self-operating and effective
on September 22, 2011 and no further writing or agreement shall be necessary for the same to be effective. 
 Company
hereby releases and relieves MTT from any obligation under the EPA with the exception of MTT’s obligation to deliver: i) the [***] Initial Turbine Engines, with accessory equipment and [***] gear boxes; and ii) [***] Initial Turbine Engines
with accessory equipment. 
 The parties to this Assignment acknowledge and agree that, in the event that
Company rejects a particular proposed acquisition of Subsequent Turbine Engines2 under paragraph 1.3 of the EPA, and in the further event that Contractor does not then acquire the Subsequent Turbine Engines as provided in paragraph 1.3 of the EPA, then MTT shall be free, at its own
cost and expense, to acquire the Subsequent Turbine Engines and to sell, transfer, lease and/or alienate the same, all for its own benefit and for any use or purpose whatsoever (including in the Well Service Business in conjunction with the
Invention), free of any obligation or restriction under the EPA except to the extent that such use is subject to the exclusive grant to Company in the Turbine Driven Equipment License Agreement, executed on October 25, 2011 and effective as of
September 22, 2011. 
 The parties to this Assignment acknowledge and agree that, in the event that
Contractor does not exercise an option (whether one or more) to acquire Subsequent Remanufactured Turbine
Engines3 under Sections III, IV and/or V of the Vendor
Agreement, then MTT shall be free, at its own cost and expense, to exercise the option 
  

	1 	 As defined in the EPA. 

	2 	 As defined in the EPA. 

	3 	 As defined in the Vendor Agreement. 

  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 

  

 (whether one or more) and to acquire the Subsequent Remanufactured Turbine Engines from ATS on the same
terms and conditions set forth in the Vendor Agreement, and thereafter MTT may sell, transfer, lease and/or alienate the same, all for its own benefit and for any use or purpose whatsoever (including in the Well Service Business in conjunction with
the Invention), free of any obligation or restriction under the EPA except to the extent that such use is subject to the exclusive grant to Company in the Turbine Driven Equipment License Agreement, executed on October 25, 2011 and effective as
of September 22, 2011. 
 Contractor shall notify MTT in writing, within twenty four hours, of Contractor’s receipt of
any written notice of default received from Advanced Turbine Services, LLC under the terms of the Vendor Agreement. If, within ten (10) days of receipt of said written notice of default Contractor has not cured any such default or initiated
dispute resolution, then MTT shall have the right to cure any such default in accordance with the Vendor Agreement. 
 [Signature
page follows] 
  
 *** Certain information in this document has been
omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

  

 CONTRACTOR: 
  

			
	Turbine Powered Technology, LLC
		
	By:	 	 
	Name:	 	 
	Title:	 	 
	Date:	 	 

  

			
	Marine Turbine Technologies, LLC.
		
	By:	 	 
	Name:	 	 
	Title:	 	 
	Date:	 	 

  
 *** Certain information in this document has
been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 
 [Signature page to Appendix A to Installation Agreement] 

  

 COMPANY: 
  

			
	 Green Field Energy Services, Inc.

		
	By:	 	 
	Name:	 	 
	Title:	 	 
	Date:	 	 

  
 *** Certain information in this document has
been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 
 [Signature page to Appendix A to Installation Agreement] 

  

 APPENDIX B 

Scope of Contractor’s Services for Installation of Turbine Engines, Accessory 

Equipment and Gearboxes 
  

	 	1.	Contractor shall perform the following tasks: Upon receipt of the turbine engines, Contractor [***]. The frac package is then moved to the dock where it is
connected to the pumping iron for full and comprehensive testing under various pressures and flow rates. The Services shall be performed at Contractor’s facility located at 298 Louisiana Road, Port of West St. Mary, Franklin, Louisiana 70538.

  

	 	2.	Company has contracted directly with Lime Electrical and EBR Services for the manufacture and installation of hydraulic and electrical systems and components. As of the
date of execution of this Agreement, Contractor is not responsible for the manufacture or installation of hydraulic and electrical systems and components. 

 
 *** Certain information in this document has been omitted and filed
separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

 APPENDIX C 

Compensation 
 Fees.
Attached hereto is an estimated monthly budget for all of Contractor’s operating costs and expenses including but not limited to lease payments, labor costs, benefits, management, general and administrative, materials, supplies and
insurance, that it will incur in order to fulfill the Services it has agreed to supply under this Agreement (“Estimated Monthly Operating Costs”). 
 Company will reimburse Contractor the amount of its actual operating costs and expenses for providing the Services on a monthly basis, subject to the following conditions: 

 

	 	(a)	The amount of actual monthly operating costs and expenses for providing the Services may not exceed the Estimated Monthly Operating Costs without Company’s written
consent. 

  

	 	(b)	The amount of Estimated Monthly Operating Costs shall not be reduced without Contractor’s written consent. 

 

	 	(c)	Contractor shall substantiate its invoices by evidence of actual payment and by individual daily job timecards, or such other substantiation as may be reasonably
requested by Company. 

  

	 	(d)	Contractor will include all of the actual operating costs and expenses in its invoices to ensure reasonable adherence to projections and pacing of costs.

  

	 	(e)	At any time or times prior to final payment under this Agreement Company may cause to be made such audit of the invoices and substantiating material as shall be deemed
necessary. Each payment theretofore made shall be subject to reduction to the extent of amounts which are found by Company not to have been properly payable, and shall also be subject to reduction for overpayments, or to increase for underpayments.

 Cost Plus – Component Parts / Spare Parts / Equipment. Contractor will periodically submit to Company a cost
summary and receipts for costs of all such component parts, spare parts and equipment purchased from third parties on Company’s behalf in providing the Services. Company will reimburse Contractor the amount of such costs. At any time or times
prior to final payment under this Agreement Company may cause to be made such audit of the invoices and substantiating material as shall be deemed necessary. Each payment theretofore made shall be subject to reduction to the extent of amounts which
are found by Company not to have been properly payable, and shall also be subject to reduction for overpayments, or to increase for underpayments. 
 Billing and Payment. Periodically, Contractor shall submit invoices for Services performed to Company. Upon receipt, Company shall pay the sum specified in such invoice, less (i) any amounts
previously deposited with Contractor relating to such invoice, and (ii) any portion of such invoice amount that Company disputes in good faith. With respect to any disputed portion of such invoice, Company shall provide Contractor with a
written statement explaining, in reasonable detail, the basis for such dispute. The parties shall attempt to resolve any such disputed portion in accordance with Article 9. 

 
 *** Certain information in this document has been omitted and filed
separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

 Interest. Any amount owed by Company to Contractor which remains unpaid more than 10 days after the
invoice date shall begin to accrue interest at the rate of eight (8) percent per annum, until paid in full. In the event that Contractor places any invoice or amount owed by Company in the hands of an attorney for collection, Company shall pay
Contractor’s reasonable attorney’s fees, in an amount equal to [***] of the principal balance owed, plus all court costs, arbitration costs and/or costs of collection. In the event it is determined that any invoice submitted for payment by
Contractor has overstated the amount owed, Contractor shall be responsible for payment of any audit or legal fees pertaining thereto. 
  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 

 APPENDIX D 

Warranty on Contractor’s Services 
 Contractor Warranty: 
  

	1)	Workmanship and Materials Warranty 

  

	 	a)	Definition of Contractor’s Warranty: 

  

	 	i)	All Services performed by Contractor under this Agreement shall be performed in a good and workman like manner in accordance with industry standards.

  

	 	ii)	Labor or materials provided by other manufacturers (such as gearboxes manufactured by CB Gears or electrical and hydraulic components manufactured and/or installed is
not included with Contractor’s warranty, except for the workmanship quality of service provided by Contractor to install, repair, or service non-Contractor materials. Company shall look to the Original Equipment Manufacturers (OEM) warranty
provisions for each specific vendor / subcontractor’s warranty terms and conditions. 

  

	 	b)	Contractor warrants that all work performed and materials provided by Contractor shall be free of defects. 

 

	 	c)	If a failure or malfunction is shown to have been caused by a defect in workmanship or materials (as defined above) by Contractor in the performance of the new
construction, repair, overhaul, field services or spare parts sold over-the-counter, then the item shall be returned to a serviceable condition at Contractor expense within the period shown below under “Warranty Period” and in accordance
with this warranty certificate. 

  

	 	d)	The “defect” must be located in an area serviced, repaired or overhauled by Contractor and the cost of performing the warranty shall be limited to and
shall not exceed the original charge of the service, repair or overhaul. The original charge shall be determined by reference to Contractor invoices and repair orders. 

 

	2)	OEM Warranty 

  

	 	a)	All non- Contractor labor and materials shall be governed and warranted by the OEM. The term of the OEM warranty is per each specific vendor / subcontractor’s
warranty policy and is not to be confused with the Contractor warranty terms. 

  
 *** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

	 	b)	Contractor will, on behalf of Company and at Company’s request, pursue and administer any such warranty matters with the OEM. Any amounts received on a favorable
warranty basis will be credited to Company’s account for the full amount granted by the OEM. 

  

	3)	Notification of Warranty Claim 

  

	 	a)	Company must deliver written notification to Contractor within thirty (30) days after the claimed defect is discovered. The warranty claim notification must detail
a description of the reason for the claim, the operating hours on the affected unit and the date of the failure/incident. 

  

	4)	Warranty Investigation & Remedy 

  

	 	a)	All warranty claims shall be investigated by Contractor to determine cause, claim validity and financial responsibility. In the case of any disputes that arise between
Contractor and Company regarding warranty claims, the Parties agree to submit the dispute to a neutral arbiter who has been mutually selected to evaluate the validity and appropriate resolution of the warranty claim in dispute.

  

	 	b)	Company shall deliver the claimed defective equipment, freight prepaid to and from Contractor’s facility, along with all attached or related components, including
engine records, needed to determine the cause(s) of malfunction(s) to Contractor. The equipment shall be delivered within sixty (60) calendar days from the date of receipt of the written warranty claim notification to Contractor.

  

	 	i)	If warranty work can be performed by Contractor at Company’s site at an equal or lesser cost to Contractor and Company agree, all warranty work will be covered by
Contractor in full. 

  

	 	ii)	Work performed on an emergency basis at Company’s site shall be performed under a Company Purchase Order with a request or claim for warranty consideration.
Company’s Purchase Order must stipulate that travel, expenses, per diem and all other expense related charges will be paid by Company, plus acknowledge that if the warranty claim is denied, that Company will pay all labor, material and other
costs associated with the denied claim. As soon as possible after completion of work, Contractor shall complete the warranty investigation and submit its findings to a neutral arbiter who has been agreed to by both Contractor and Company to evaluate
the validity of warranty claims and advise Company of any costs that may be charged to their Purchase Order. 

  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions. 

	 	c)	All approved warranty claims will be remedied at no cost to Company for approved labor and materials. 

 

	 	i)	Costs in excess of the original service, repair or overhaul price will be the responsibility of Company. 

 

	5)	Limitations 

  

	 	a)	The sole obligation of Contractor under this warranty is limited to the original work performed by Contractor (i.e. new construction, repair, overhaul, field services
or spare parts sold over-the-counter) as covered by this warranty without charge to Company. 

  

	 	b)	This warranty does not include any remedy or liability for incidental or consequential damages of any kind, including, but not limited to: 

 

	 	i)	Normal and expected wear-and-tear of the equipment while in service. 

  

	 	ii)	Damage to other property. 

  

	 	iii)	Costs or expenses of operation, removal, transportation, or reinstallation of the equipment. 

 

	 	iv)	Customs, Tax or Duty of any kind. 

  

	 	v)	Commercial losses or lost profits due to loss of use of the equipment or otherwise. 

 

	 	vi)	Cost of capital or cost of substitute equipment, facilities or services. 

  

	 	vii)	Downtime costs. 

  

	 	viii)	Claims of customers of Company for ANY damages. 

  

	 	ix)	Force Majeure incidents. 

  

	 	c)	This warranty shall not apply if Company or its agent(s) act in any way adversely affecting the performance or reliability of the equipment covered by this warranty,
including, but not limited to: 

  

	 	i)	Problems attributable in any way in the failure of Company to preserve, install, operate, maintain, repair, replace or alter the equipment in accordance Contractor
and/or OEM recommendations. 

  
 *** Certain information
in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

	 	ii)	Any misuse, neglect, accident in transit, storage or operation of the equipment. 

 

	 	iii)	Repair by any other service outlet unless there has been prior written approval by Contractor. 

 

	 	iv)	Foreign object damage. 

  

	 	d)	This warranty is expressly in lieu of any and all other warranties, expressed or implied, including any implied warranty of merchantability or fitness for a particular
purpose, and of any non-contractual liabilities including product liabilities based upon Negligence or Strict Liability. Any additional or different liabilities must be assured in writing and signed by an authorized officer of Contractor.

  

	6)	Warranty Period 

  

	 	a)	The Contractor equipment and Contractor spare parts sold shall have a warranty period of twelve (12) months labor and materials coverage, or 1,000 operating hours
(whichever comes first) from date of first operation, insofar as the equipment is operated within three (3) months of Contractor shipment. If equipment is not operated within three (3) months, then fifteen (15) months from date of
shipment or 1,000 operating hours (whichever comes first) is the maximum warranty allowance period. 

  

	 	b)	Work performed on service calls shall have a maximum warranty period of twelve (12) months from date of service performance. 

 

	 	c)	The OEM labor and materials warranty shall be per their specific terms and conditions. 

 

	7)	Transferability 

  

	 	a)	This warranty is fully transferable with the following provisions: 

  

	 	i)	Contractor must be notified of the transfer of ownership within thirty-days of the date of ownership. 

 

	 	ii)	A site inspection by Contractor will be required to validate proper installation and operation. 

 

	 	(1)	The new owner MUST issue a chargeable Purchase Order to cover 100% of the inspection charges at Contractor’s standard field service rates and expense coverage.

  
 *** Certain information in this document has been
omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. 

	 	(2)	Upon completion of the inspection, Contractor will advise the new owner of any repairs, corrections or other work required to validate the warranty transfer.

  

	 	(3)	A Certificate of Warranty Transfer will be issued to the new owner once ALL repairs and corrections, if applicable, have been completed to Contractor’s
satisfaction. 

  

	 	(4)	On all validated warranty transfers, the remaining Warranty Period will continue from the original date of Contractor shipment. 

Warranty on Vendor Services 

Vendor’s Warranties. For Company’s benefit, Contractor shall obtain from sellers of equipment or material and from any
subcontractor’s providing services to Company through Contractor, warranties against defects in materials and workmanship to the extent such warranties are reasonably obtainable, and, to the extent of any such warranties actually obtained,
Company releases Contractor from any further liability arising in respect of such equipment, material or services (other than the Services) to the extent such liability is covered by any such warranty. Contractor itself shall not be liable for any
such warranties, or for any defects or damage caused by such equipment, material or services (other than the Services). Upon Company’s request, Contractor agrees to take such steps as are necessary, short of litigation, to enforce said
warranties. Each such warranty shall be enforceable by Company for Company’s benefit or assignable by Contractor to Company without any further action or consent by or on the part of any third party. Unless otherwise requested, Contractor shall
administer such warranties and immediately notify Company of any defects discovered or suspected that may be covered by such warranties. When requested, Contractor shall assign any such warranty to Company and assist Company with the administration
and enforcement of such warranty, or, if such warranty is not assignable to Company, assist Company with the administration and enforcement of such warranty. 
  

*** Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has
been requested with respect to the omitted portions.Turbine Driven Equipment License Agreement

 Exhibit 10.24 

TURBINE DRIVEN EQUIPMENT LICENSE AGREEMENT 
 This Turbine Driven Equipment License Agreement (“Agreement”) is executed as of the dates set forth below but shall be effective as of September 22, 2011, (the “Effective Date”)
by and between Green Field Energy Services, Inc. (“Licensee”), and Turbine Powered Technology, LLC (“Licensor”), together the (“Parties”). 
 RECITALS 
 WHEREAS, Turbine Powered Technology,
LLC has been assigned rights in Intellectual Property to certain Frac Stack PackTM Technology (as defined below) from MTT Properties, LLC, under an Amended and Restated Capital Contribution/Assignment Agreement, dated October 17, 2011; 

WHEREAS, Turbine Powered Technology, LLC, is the assignee from Marine Turbine Technologies LLC, (“MTT”) of MTT’s rights
and obligations under an exclusive Equipment Purchase Agreement with Hub City Industries, LLC (now known as Green Field Energy Services, Inc.) effective as of July 8, 2011; 

WHEREAS, Green Field Energy Services, LLC and Turbine Powered Technology, LLC have formed a joint venture under the Operating Agreement
of Turbine Powered Technology, LLC, in which Green Field Energy Services, Inc. is a Member / Holder of Turbine Powered Technology, LLC effective as of September 22, 2011 (the “TPT Operating Agreement”); 

WHEREAS, the intended use and enjoyment of the Turbine Engines sold to Licensee under the Equipment Purchase
Agreement requires rights under the intellectual property in the Frac Stack PackTM Technology; and 
 WHEREAS, Licensor desires to license such intellectual property
rights to Licensee and Licensee desires to take such license. 
 NOW THEREFORE, the Parties agree as follows: 

 

	I.	DEFINITIONS 

“Copyrights” shall mean all United States, and foreign copyrights (whether or not the underlying works of authorship have
been published), including but not limited to copyrights in software and all rights in and to databases, all designs (including but not limited to industrial designs, Protected Designs within the meaning of 17 U.S.C. 1301 et. Seq. and Community
designs), and all Mask Works (as defined under 17 U.S.C. 901 of the U.S. Copyright Act), whether registered or unregistered, as well as all moral rights, reversionary interests, and termination rights, and, with respect to any and all of the
foregoing: (i) all registrations and applications and all extensions and renewals thereof, (ii) the right to sue or otherwise recover for any past, present and future infringement or other violation thereof, (iii) all proceeds of the
foregoing, including, without limitation, license fees, royalties, income, payments, claims, damages and proceeds of suit now or hereafter due and/or payable with respect thereto, and (iv) all other rights of any kind accruing thereunder or
pertaining thereto throughout the world. 

 “Frac Stack
PackTM Technology” shall mean the use of a split shaft or free turbine to control the flow rate and fluid pressure of fluid being pumped into a well bore, including without limitation, such use in conjunction with a
hydraulic fracturing pump, gearboxes and other related equipment attached thereto and configurations of such equipment on trailers or skids, together with processes and techniques for installing, modifying, operating and maintaining the same, as
disclosed in the patent application filed on August 25, 2011 entitled “Turbine Stack Pack” (McIntyre, inventor) or otherwise. 
 “Licensed Products” shall mean, turbine driven hydraulic fracturing units consisting primarily of a high pressure hydraulic pump, a turbine engine, gear box, electrical and
hydraulic assemblies and skids and various other ancillary and supporting equipment. 
 “Patents” shall mean
all United States and foreign patents and certificates of invention, or similar industrial property rights, and applications for any of the foregoing, including, without limitation: (i) all reissues, divisions, continuations,
continuations-in-part, extensions, renewals, and reexaminations thereof, (ii) all patentable inventions and improvements thereto, (iii) the right to sue or otherwise recover for any past, present and future infringement or other violation
thereof, (iv) all proceeds of the foregoing, including, without limitation, license fees, royalties, income, payments, claims, damages, and proceeds of suit now or hereafter due and/or payable with respect thereto, and (v) all other rights
of any kind accruing thereunder or pertaining thereto throughout the world. 
 “Standards of Quality” shall
mean the standards of quality pertaining to the manufacture, use and maintenance of the Licensed Products generally employed by Licensor prior to the date hereof or such other standard of quality as the Parties may mutually agree in writing.

 “Service Activities” shall mean the overhaul, parts manufacture and remanufacture, repair and service of any
products and components manufactured in connection with the Licensed Products. 

“Trademarks” shall mean all United States, and foreign trademarks, trade names, trade dress,
corporate names, company names, business names, fictitious business names, Internet domain names, service marks, certification marks, collective marks, logos, other source or business identifiers, designs and general intangibles of a like nature,
whether or not registered, including, without limitation trademark “Frac Stack PackTM” and
U.S. registration no. 3999924, and, with respect to any and all of the foregoing: (i) all extensions or renewals of any of the foregoing, (ii) all of the goodwill of the business connected with the use of and symbolized by any of the
foregoing, (iii) the right to sue or otherwise recover for any past, present and future infringement, dilution or other violation of any of the foregoing or for any injury to the related goodwill, (iv) all proceeds of the foregoing,
including, without limitation, license fees, royalties, income, payments, claims, damages, and proceeds of suit now or hereafter due and/or payable with respect thereto, and (v) all other rights of any kind accruing thereunder or pertaining
thereto throughout the world. 

  
 2 

 “Trade Secrets” shall mean all trade secrets and all other confidential or
proprietary information and know-how whether or not the foregoing has been reduced to a writing or other tangible form, including all documents and things embodying, incorporating, or referring in any way to the foregoing, and with respect to any
and all of the foregoing: (i) the right to sue or otherwise recover for any past, present and future misappropriation or other violation thereof, (ii) all proceeds of the foregoing, including, without limitation, license fees, royalties,
income, payments, claims, damages, and proceeds of suit now or hereafter due and/or payable with respect thereto; and (iii) all other rights of any kind accruing thereunder or pertaining thereto throughout the world. 

 

	II.	GRANT OF LICENSE 

  

	A.	Subject to the terms and conditions of this Agreement, Licensor hereby grants to Licensee, and Licensee hereby accepts with effect from the date hereof:

  

	 	1.	 a royalty-free, exclusive fully transferable and assignable worldwide license under Licensor’s Trademarks (including, without limitation,
the Frac Stack PackTM mark) to use such Trademarks in
connection with products and Service Activities offered, distributed, sold or otherwise commercialized by Licensee relating to Licensed Products, in each case in accordance with the Standards of Quality. 

 

	 	2.	 a perpetual, irrevocable, royalty-free, fully transferable and assignable, worldwide exclusive, license under Licensor’s Patents,
Copyrights and Trade Secrets relating to the Frac Stack PackTM Technology to make, use, sell, offer to sell, transfer, lease, pledge, commercialize or make any agreement or engage in Service Activities with respect to or otherwise deal with Licensed Products and
other products in the Well Service Business (as defined in the Equipment Purchase Agreement). 

  

	 	3.	a Right of First Offer in favor of Licensee. 

  

	 	4.	 the right to acquire from third party vendors (on a non-exclusive basis after expiration of exclusivity under II. A. 2 above) any components
that embody the Frac Stack PackTM Technology and Licensor
agrees it shall provide consent to any such vendors to supply such components directly to Licensee. 

  

	B.	Nothing in this Agreement shall preclude Licensor from using or otherwise practicing rights under its Intellectual Property outside the Well Services Business or
in connection with products and services that are not Licensed Products or Service Activities related to Licensed Products. 

  
 3 

	III.	DURATION 

  

	 	A.	The license granted in Section II A. 1 above shall survive any termination of this Agreement or any other agreements between the Parties and their affiliates,
provided however, that the exclusivity thereunder shall expire five (5) years and thirty (30) days from the Effective Date. Thereafter, the license shall be non-exclusive and only apply to Licensed Products: (i) either incorporating
turbine engines sourced or otherwise provided by Licensor; (ii) Licensed Products manufactured or assembled by Licensor; or (iii) Licensed Products made, used or sold under the license of Section II A. 2 above. For avoidance of doubt,
nothing in this Agreement shall prevent or impair Licensee from selling, leasing, maintaining, remanufacturing or engaging in any other commercialization of Licensed Products in the field and already bearing any Trademark even after termination of
any Trademark license hereunder. 

  

	 	B.	The license granted in Section II A. 2 above is perpetual and shall survive any termination of this Agreement or any other agreements between the Parties and
their affiliates, provided however, that the exclusivity thereunder shall expire five (5) years and thirty (30) days from the Effective Date, except to the extent such exclusivity is extended by Licensee exercising its Right of First Offer
to purchase products from Licensor, provided further, that such exclusivity shall expire in the event Licensee transfers, assigns, sublicenses or otherwise disposes of substantially all of the rights granted hereunder to a third party not also
taking assignment of the Equipment Purchase Agreement and appropriate related agreements, or entering into new exclusive arrangements with Licensor concerning purchase and/or maintenance of turbine engines or assembly of equipment for use in Well
Service Business products. For avoidance of doubt, Licensee’s sublicensing of rights hereunder to contractors and customers for purposes of commercializing products and similar activities shall not result in loss of exclusivity hereunder.

  

	 	C.	The rights granted in Sections II A. 3 and II A. 4 are perpetual and shall survive any termination of this Agreement or any other agreements between the Parties
and their affiliates. 

  

	IV.	RIGHT OF FIRST OFFER 

  

	 	A.	Upon expiration of exclusivity, Licensee shall have the right to maintain the supply of Well Service Business products and services from Licensor in the following
manner (the “Right of First Offer”): Prior to offering to sell or selling to any third party any Well Service Business products or services (and only after the exclusivity period) Licensor shall make an offer to Licensee to sell such
products or services at a price and on terms and conditions quoted. If Licensee does not accept such offer in a reasonable amount of time (but no less than 30 days) Licensor shall have the right to extend an offer at the same price, terms and
conditions to another person or entity; provided that Licensor may not offer to sell (or consummate a transaction concerning) such goods or services at a lower price or more favorable terms and conditions without first offering them at such price,
terms and conditions to Licensee. 

  
 4 

	V.	INCORPORATION OF TERMS BY REFERENCE 

  

	 	A.	The following terms and provisions of the Equipment Purchase Agreement, attached hereto as Exhibit A, are hereby incorporated by reference:

  

	 	1.	Section 13 (Amendment; Waivers) 

  

	 	2.	Section 15 (Governing Law) 

  

	 	3.	Section 16 (Complete Agreement) 

  

	 	4.	Section 17 (Interpretation) 

  

	 	5.	Section 18 (Severability) 

  

	 	6.	Section 19 (Approvals and Similar Actions) 

  

	 	7.	Section 20 (Attorney’s Fees) 

  

	 	8.	Section 21 (Notices) 

  

	 	9.	Section 22 (Multiple Counterparts) 

  
 5 

 IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed by its
officers thereunto duly authorized as of the first date written above. 
  

			
	 	  	LICENSOR:
		
	 Address of Licensor:
	  	TURBINE POWERED TECHNOLOGY, LLC
		
		  	        By: /s/ Ted J McIntyre
II                                         
   
		  	        Name: Ted J. McIntyre II
		  	        Title: Managing Member
	
Attn:                       
                                         
    
	  	        Date: October 25, 2011

 [Signature page to License Agreement] 

 IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed by its
officers thereunto duly authorized as of the first date written above. 
  

			
	 	  	LICENSEE:
		
	 Address of Licensee:
	  	GREEN FIELD ENERGY SERVICES, INC.
		
		  	        By: /s/ Michel B.
Moreno                            
	 4023 Ambassador Caffery Suite 200 Lafayette, LA 70503
	  	        Name: Michel B. Moreno
		  	        Title: CEO
	 Attn: Michel B. Moreno
	  	        Date: 10/23/2011

 [Signature page to License Agreement]

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