Document:

Purchase
order # 4502104763/Date: 08.05.2013 (May 8, 2013)

 

Company
name: Tango Rock S.A.

Address:
Uruguay 1134 – Floor 6 – Ste A

City: Caba

Zip code:
1016

Country:
AR

Telephone#
011-4814 4422

Contact
Name: Roberto Caramello

Currency:
US Dollar

Payment
Method: Net 30

 

Place of
Entry:

UP Loma
La Lata

Loma de
La Lata

8300 Loma
La Lata – Neuquen

 

Entry Date:
18.05.2013 (May 18, 2013)

 

To view
your bill

 

For
information regarding submission of invoices, printing tax forms, view payment history and pending invoices, go online to: www.ypf.com
Any questions call 0810-1229681

 

Performing
physical measurements of the wells with new technology

 

Waiting
on your order confirmations for the following items

 

Material
Details

 

Qty: 1 service

 

Fiber Optic
Test

 

Price: 450.000,00

 

Net value:
450.000,00

 

Following Services:      

 

	4 units @ 112.500,00
    USD/ unit 	=	net value 450.000,00	 

 

Repair and
maintenance of servicesEXHIBIT 10.5

 

EQUIPMENT
SALES AGREEMENT

 

This
Equipment Sales Agreement (this “Agreement”) is dated as of the 21st day of October, 2013 (“Effective
Date”) by and between FracRock, Inc, a corporation having a place of business at 2930 W. Sam Houston Pkwy N Suite 275 Houston,
Texas 77043 (the “Buyer”) and Weatherford U.S.L.P, a limited partnership having a place of business office at 2000
Saint James Houston, Texas 77056 (the “Seller”).

 

WHEREAS
the Seller desires to sell to Buyer tractors, trailers, supporting equipment and other items as set out and fully described in
Schedule “A” attached hereto (the “Equipment”);

 

NOW
THEREFORE for good and valuable consideration, the receipt and sufficiency of which is acknowledged, the Seller and the Buyer
covenant and agree as follows:

 

Article
I. DEFINITIONS

 

1.1  For
the purposes of this Agreement, the following terms shall have the following meanings:

 

“Closing
Date” shall mean the date title to all Liened Equipment and Leased Equipment has been transferred, and risk of loss passes,
to Buyer and all liens and encumbrances have been removed.

 

“Consideration”
shall mean two million twenty four thousand and No /100 Dollars ($2,024,000.00) and all other good and valuable consideration.
For clarification, Consideration as defined herein does not include Taxes.

 

“Buyer
Group” shall include, individually or in any combination, Buyer, its parents, affiliates, sub-contractors, contractors,
co-working interest owners, non-working/operating interest owners, and entities for whom Buyer is performing services and each
of their respective directors, officers agents, representatives, employees, invitees, heirs, successors and assigns.

 

“Leased
Equipment” shall mean all Equipment in Schedule A indicated as being under a “Lease.”

 

“Liened
Equipment” shall mean all Equipment in Schedule A indicated as being under a “Lien.”

 

“Owned
Equipment” shall mean all Equipment in Schedule A indicated as “Owned.”

 

“Seller
Group” shall include Seller, its parent or affiliated companies, and their respective officers, directors, employees, clients,
contractors, heirs, successors, assigns and agents, or any or all of such parties or other party with an interest.

 

“Taxes”
shall mean all fees or charges imposed, assessed or levied by any governmental or other authority and shall include, but shall
not be limited to, property, sales, use taxes, value added and excise taxes or other charges of a similar nature, customs or other
duties, harbour and port dues, demurrage, wharfage, pilotage, stevedoring, customs agent fees and other such charges and other
fees.

 

    	 

    	 

    

 

Article
II. PAYMENT OF CONSIDERATION 

 

2.1  Subject
to Article 3, in exchange for the Consideration the Seller promises to sell certain Equipment, and all of Seller’s right,
title and interest in such Equipment, to Buyer.

 

Article
III. TITLE

 

3.1 Seller
represents and warrants that Seller has good and merchantable title to Owned Equipment, free and clear of any security interests,
pledges, claims, demands, charges, options or other encumbrances whatsoever.

 

3.2  Seller
represents it will make best efforts to assist in attaining, or where agreed to in writing procuring, for Buyer good and merchantable
title and the removal of all liens or encumbrances in all Liened Equipment and Leased Equipment.

 

Article
IV. POSSESSION

 

4.1  Upon
tendering Consideration, Buyer may take possession of all Owned Equipment which sale shall be considered final. Subject to Article
8, and upon tendering Consideration, Buyer shall take possession of all Liened Equipment and all Leased Equipment on the Closing
Date. 

 

Article
V. TAXES 

 

5.1  Unless
otherwise agreed to in writing, Consideration does not include sales, VAT, GST, HST use or similar Taxes. Any and all such Taxes,
fees, duties, and customs charges imposed on Seller and not expressly undertaken by Seller shall be paid for by Buyer by separate
invoice. Seller shall not be liable for any such Taxes or duties or securities that are or may become payable, and Buyer shall
defend, indemnify and hold harmless Seller for Buyer’s failure to pay same. Buyer shall provide all necessary documentation
to support any amounts sought to be waived. Seller shall not waive any amounts not supported by documentation.

 

    	2

    	 

    

 

Article
VI. DISCLAIMER OF WARRANTIES

 

6.1 The
Equipment BEING sold by Seller to Buyer is sold in an “AS IS “, “WHERE IS” CONDITION. Buyer,
in signing this document, signifies unconditional acceptance that SELLER IS NOT MAKING ANY WARRANTIES OR REPRESENTATIONS
OF ANY KIND OR CHARACTER, EXPRESS OR IMPLIED, WITH RESPECT TO THE EQUIPMENT, INCLUDING BUT NOT LIMITED TO, WARRANTIES OR REPRESENTATIONS
AS TO MATTERS OF TITLE (OTHER THAN THAT SET FORTH IN ARTICLE 3), TAX CONSEQUENCES, PHYSICAL CONDITION, VALUATION, GOVERNMENTAL
APPROVALS, GOVERNMENTAL REGULATIONS OR ANY OTHER MATTER OR THING RELATING TO OR AFFECTING THE EQUIPMENT, INCLUDING, WITHOUT LIMITATION:
(I) THE VALUE, CONDITION, MERCHANTABILITY, MARKETABILITY, PROFITABILITY, SUITABILITY, NON-INFRINGEMENT OR FITNESS FOR A PARTICULAR
USE OR PURPOSE OF THE EQUIPMENT OR (II) THE MANNER, QUALITY, STATE OF REPAIR OR LACK OF REPAIR OF THE EQUIPMENT. 

 

6.2
 Buyer agrees that with respect to the Equipment, Buyer is relying solely and exclusively upon its own
experience and its independent judgment, evaluation and examination. Buyer acknowledges and agrees that there are no oral
agreements, warranties or representations, collateral to or affecting the Equipment by Seller.

 

Article
VII. LIABILITY

 

7.1 Buyer
agrees THAT SELLER SHALL NOT BE LIABLE FOR, AND to indemnify, defend and save harmless Seller Group from and against: I) all claims,
expenses, loss, damageS or causes of action arising from OR RELATING TO the acquisition, use, operation, maintenance, disrepair,
defects or subsequent removal of the Equipment;OR II) any liability for, but not limited to, any special, direct, indirect, incidental,
product liability, patent, copyright or trademark infringement or consequential damages arising out of, or as a result of the
sale AND OR PURCHASE of the Equipment hereunder THAT IS sufffered by buyer group. Buyer further agrees to indemnify, defend and
save harmless Seller Group from and against all loss and liability for personal injury (including death) or damage to property
SUFFERED BY BUYER GROUP AND resulting from, either directly or indirectly, or arising from the sale and/or purchase of Equipment,
whether or not such injury to person or damage to property is due or claimed to be due to the negligence of Seller Group.

 

Article
VIII.  TERMINATION

 

8.1
 Where the Closing Date does not occur within fourteen (14) days following the Effective Date of this Agreement, Seller reserves
the right to terminate this Agreement as it relates to Liened Equipment and Leased Equipment and sell solely the Owned Equipment.
The decision shall be made at Weatherford’s sole discretion and Weatherford’s sole liability, and Buyer’s sole
remedy, shall be the refund of amounts paid by Buyer on any Liened Equipment or Leased Equipment without interest.

 

    	3

    	 

    

 

Article
IX. TRADE COMPLIANCE

 

9.1  The
Equipment as defined in this Agreement is subject to the U.S. Export Administration Regulations and classified pursuant to Export
Control Classification Number EAR99. Seller hereby advises Buyer that Seller cannot participate in transactions involving any
denied or restricted party, or any of the following countries, or with any entity known to be organized in, or owned or controlled
by a national of, these countries: Cuba, Iran, North Korea, Sudan, or Syria, or any other country that may be subject in the future
to comprehensive bilateral or multilateral economic sanctions applicable to Seller (collectively “Sanctioned Parties or
Countries”). If the Equipment subject to this Agreement is intended for the direct or indirect benefit of Sanctioned Parties
or Countries, Seller may terminate the sale for cause and Seller will not be in breach or default. Buyer represents to Seller
that the Equipment will be used in the United States. However, should Buyer later decide to export, re-export, transfer, divert,
loan, lease, consign, resell, or otherwise dispose of the Equipment outside of the United States, Buyer agrees to be solely responsible
for compliance with all applicable import, export control, antiboycott, and economic sanctions laws and regulations including
but not limited to the U.S. Export Administration Regulations and all regulations and orders issued and/or administered by the
U.S. Department of the Treasury’s Office of Foreign Assets Control and will not proceed without first obtaining all required
government authorizations, as applicable.

 

Article
X. MISCELLANEOUS PROVISIONS

 

10.1   Subject
to Article 3, the Seller shall, upon the reasonable request of the Buyer, execute all such further deeds and documents and do
all such further acts as may be reasonably required by the Buyer in order to carry out the true intent and meaning of this Agreement.

 

10.2  This
Agreement shall inure to the benefit of and be binding upon the Seller and the Buyer and their respective successors, administrators
and assigns.

 

10.3  This
Agreement shall be governed by the laws of the Texas which will apply without regard to any choice of laws or conflict of laws
provisions which would direct the application of the laws of another jurisdiction. BOTH PARTIES AGREE THAT, TO THE EXTENT ALLOWED
BY THE GOVERNING LAW, EACH PARTY HEREBY WAIVES ALL RIGHTS TO A JURY TRIAL WITH RESPECT TO ANY LITIGATION INVOLVING THIS AGREEMENT.
THE PARTIES EXPRESSLY AGREE TO A JUDGE TRIAL. Nothing herein shall prohibit a party from availing itself of a court of competent
jurisdiction for the purpose of injunctive relief.

 

10.4  No
term or provision of this Agreement may be amended except by an instrument in writing signed by the Seller and the Buyer.

 

10.5  This
Agreement, and any subsequent Bill of Sale, constitute the entire agreement between the parties with respect to the subject matter
hereof and supersedes all other terms either expressed or implied by law. No modification of this Agreement shall be effective
unless made in writing and signed by both parties. In the event any provision, clause, sentence or part of this Agreement is inconsistent
with or contrary to any applicable law, same shall be deemed to be modified to the extent required to comply with said law (it
being the intention of both Parties to enforce to the fullest extent all terms of this Agreement) and as so modified, this Agreement
shall continue in full force and effect. In the event any such provision, clause, sentence or part of this Agreement cannot be
modified to comply with the law, then said provision, clause, sentence or portion of the Agreement shall be deemed to be deleted
from the Agreement and the remaining terms and conditions shall remain in full force and effect.

 

    	4

    	 

    

 

Article
XI.  EXECUTION

 

11.1  This
Agreement has been executed by the Seller and the Buyer as of the date first set forth above.

 

	 	fracrock, inc.
	 	 	 
	 	Per: 	 
	 	Print: 	 
	 	Title:	 
	 	 	 
	 	WEATHERFORD U.S.L.P.
	 	 	 
	 	Per:	 
	 	Print:	 
	 	Title:	 

 

    	5

    	 

    

 

SCHEDULE
A TO BILL OF SALE

 

Description
of Equipment

 

	Bid List
 Number	 	VIN Number	 	 	Component Description	 	 	Amount	 	 	 	 
	7	 	 	1A9L945446A245851		 	 	COILED TUBING UNIT 26, SINGLE PIECE, CTU-26	 	 	$	1,400,000	 	 	 	Lien	 
	 	 	 	5KJNALCK09PAJ4556		 	 	TRACTOR FOR CTU-26	 	 	 	 	 	 	 	Owned	 
	60	 	 	1A9L540214A245372		 	 	FLUID PUMP, DOUBLE CT6027	 	 	$	300,000	 	 	 	Lien	 
	78	 	 	1A9L745243A245205		 	 	N2 PUMP, T45205	 	 	$	211,500	 	 	 	Owned	 
	N/A	 	 	M810585	 	 	 	TRANSPORT, N2	 	 	$	112,500	 	 	 	Lien	 
	 	 	 	 	 	 	 	 	 	 	$	2,024,000

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