Exhibit 2.22
 Execution Copy
 SHARE PURCHASE AGREEMENT
 Between
 BRAZALTA RESOURCES CORP.
 and
 ALLIS-CHALMERS ENERGY INC.
 Dated as of
December 19, 2008




---



##### 



TABLE OF CONTENTS
 PageARTICLE 1 PURCHASE AND SALE
    
    
    11.1 Sale of Shares
    
    
    11.2 Closing
    
    
    11.3 Effective Time
    
    
    11.4 Purchase Price
    
    
    21.5 Liabilities Assumed by the Shareholder
    
    
    2ARTICLE 2 REPRESENTATIONS AND WARRANTIES OF THE SHAREHOLDER
    
    
    22.1 Organizational Matters and Shares
    
    
    22.2 Validity of Agreement and Conflict with Other Instruments
    
    
    32.3 Approvals, Licenses and Authorizations
    
    
    42.4 Title to and Condition of Assets and Properties
    
    
    42.5 Intellectual Property
    
    
    52.6 Contracts and Commitments
    
    
    52.7 Financial Statements
    
    
    62.8 No Litigation
    
    
    62.9 No Adverse Changes or Events
    
    
    62.10 Environmental Matters
    
    
    72.11 Warranties and Product Liability
    
    
    82.12 Employee Matters
    
    
    82.13 Taxes and Governmental Returns and Reports
    
    
    112.14 Finders Fees
    
    
    132.15 Insurance
    
    
    132.16 Debt Obligations
    
    
    132.17 Compliance with Certain Laws
    
    
    142.18 Sales into Canada
    
    
    152.19 Residency
    
    
    152.20 GST Registration
    
    
    15ARTICLE 3 REPRESENTATIONS AND WARRANTIES OF THE BUYER
    
    
    153.1 Organizational Matters
    
    
    153.2 Finders Fees
    
    
    16ARTICLE 4 ADDITIONAL AGREEMENTS
    
    
    164.1 Access to Information and Cooperation
    
    
    164.2 Conduct of the Business
    
    
    174.3 Regulatory Approvals
    
    
    194.4 Exclusivity
    
    
    194.5 Information
    
    
    194.6 Delivery of Documents
    
    
    194.7 Further Assurances
    
    
    204.8 Nondisclosure of Proprietary Information
    
    
    204.9 Use of Corporate Name
    
    
    214.10 Continuation of Business by the Buyer
    
    
    214.11 Repayment of Obligations and Liabilities
    
    
    214.12 Public Announcements and Disclosure
    
    
    224.13 Non Solicitation
    
    
    224.14 Compliance with Privacy Laws
    
    
    234.15 Tax Returns
    
    
    23




---



##### 



Page4.16 Environmental Matters
    
    
    234.17 Standard Bank
    
    
    244.18 Repetro Regime Guarantee
    
    
    244.19 Brazil Capital Leases
    
    
    244.20 Transferred Employees
    
    
    244.21 Brazil Sublease
    
    
    25ARTICLE 5 BUYERS CONDITIONS
    
    
    255.1 Representations, Warranties and Covenants
    
    
    255.2 Due Diligence
    
    
    255.3 Good Standing
    
    
    255.4 Certificates, Notes and Instruments of Transfer
    
    
    255.5 No Litigation
    
    
    265.6 No Material Adverse Event
    
    
    265.7 Other Legal Matters
    
    
    265.8 Licenses, Consents and Approvals
    
    
    265.9 Consents of Third Persons
    
    
    265.10 Resignations
    
    
    265.11 Repayment of Obligations and Liabilities
    
    
    275.12 Assumed Indebtedness Excess Amount
    
    
    275.13 Key Employees
    
    
    275.14 Standard Bank
    
    
    275.15 Legal Opinion
    
    
    275.16 Termination or Cancellation of Options, Warrants and Convertible Securities
    
    
    275.17 OPGA Termination Agreement
    
    
    285.18 Mutual Releases
    
    
    28ARTICLE 6 SHAREHOLDERS CONDITIONS
    
    
    286.1 Representations, Warranties and Covenants
    
    
    286.2 Purchase Price
    
    
    286.3 Licenses, Consents and Approvals
    
    
    286.4 No Litigation
    
    
    296.5 Other Legal Matters
    
    
    296.6 Standard Bank
    
    
    296.7 Legal Opinion
    
    
    296.8 OPGA Termination Agreement
    
    
    296.9 Mutual Releases
    
    
    29ARTICLE 7 INDEMNIFICATION
    
    
    307.1 Indemnification by the Shareholder
    
    
    307.2 Indemnification by the Buyer
    
    
    307.3 Procedure
    
    
    317.4 Indemnification Basket; Effect of Materiality Qualifiers
    
    
    317.5 Waiver of Contribution
    
    
    327.6 Payment
    
    
    327.7 Failure to Pay Indemnification
    
    
    32ARTICLE 8 NATURE OF STATEMENTS AND SURVIVAL OF COVENANTS, REPRESENTATIONS, WARRANTIES AND
AGREEMENTS
    
    
    33ARTICLE 9 TERMINATION
    
    
    349.1 Termination
    
    
    349.2 Liability Upon Termination
    
    
    349.3 Notice of Termination
    
    
    34ARTICLE 10 DEFINITIONS OF CERTAIN TERMS
    
    
    35




---



##### 



Page10.1 Definitions
    
    
    3510.2 Additional Definitions
    
    
    43ARTICLE 11 MISCELLANEOUS
    
    
    4411.1 Expenses
    
    
    4411.2 Notices
    
    
    4511.3 Specific Performance
    
    
    4611.4 Assignment and Successors
    
    
    4611.5 Entire Agreement
    
    
    4611.6 Governing Law and Attornment
    
    
    4611.7 Waiver
    
    
    4611.8 Severability
    
    
    4711.9 No Third Party Beneficiaries
    
    
    4711.10 Counterparts
    
    
    4711.11 Headings
    
    
    4711.12 Negotiated Transaction
    
    
    4711.13 Acknowledgement of Legal Advice
    
    
    4711.14 Time of Essence
    
    
    4711.15 Currency
    
    
    47




---



##### 



LIST OF DISCLOSURE SCHEDULE SECTIONS
 Section 1.1
    
    SharesSection 2.1(a)
    
    Jurisdictions in Which the Companies Do BusinessSection 2.1(c)
    
    Articles and Bylaws of the CompaniesSection 2.1(d)
    
    Authorized and Issued Share Capital of the CompaniesSection 2.1(e)
    
    Options, Warrants, Convertible Securities, Etc.Section 2.2
    
    Validity of Agreement and Conflict with Other InstrumentsSection 2.3
    
    Licenses, Permits, etc.Section 2.4(a)
    
    Specific Permitted LiensSection 2.4(b)
    
    Owned Real PropertySection 2.4(d)
    
    Leased Real Property and Leased Personal PropertySection 2.5
    
    Intellectual PropertySection 2.6(a)
    
    Contracts and CommitmentsSection 2.6(b)
    
    Breaches and DefaultsSection 2.6(c)
    
    Enforceability of ContractsSection 2.7
    
    Financial StatementsSection 2.8
    
    LitigationSection 2.9
    
    Adverse Changes or EventsSection 2.10
    
    Environmental MattersSection 2.11
    
    Product WarrantiesSection 2.12
    
    Employee Benefits and MattersSection 2.13
    
    TaxesSection 2.14
    
    Finder's FeesSection 2.15
    
    Insurance




---



##### 



Section 2.16
    
    Debt ObligationsSection 2.17
    
    Compliance with Certain Laws




---



##### 



LIST OF EXHIBITS
 Exhibit A
    
    Capital LeasesExhibit B
    
    Drilling RigsExhibit C
    
    Mutual ReleasesExhibit D
    
    Assumed Indebtedness Maximum Amount




---



##### 



SHARE PURCHASE AGREEMENT
  WITNESSETH:
     ARTICLE 1
PURCHASE AND SALE
 1.1 Sale of Shares.
  1.2 Closing.
  1.3 Effective Time.




---



##### 



1.4 Purchase Price.
  1.5 Liabilities Assumed by the Shareholder.
  ARTICLE 2
REPRESENTATIONS AND WARRANTIES OF THE SHAREHOLDER
  2.1 Organizational Matters and Shares.




---



##### 



2.2 Validity of Agreement and Conflict with Other Instruments.




---



##### 



2.3 Approvals, Licenses and Authorizations.
   2.4 Title to and Condition of Assets and Properties.




---



##### 



2.5 Intellectual Property.
  2.6 Contracts and Commitments.




---



##### 



2.7 Financial Statements.
  2.8 No Litigation.
  2.9 No Adverse Changes or Events.




---



##### 



2.10 Environmental Matters.




---



##### 



2.11 Warranties and Product Liability.
  2.12 Employee Matters.




---



##### 








---



##### 








---



##### 



2.13 Taxes and Governmental Returns and Reports.




---



##### 








---



##### 



2.14 Finders Fees.
  2.15 Insurance.
   2.16 Debt Obligations.




---



##### 



2.17 Compliance with Certain Laws.




---



##### 



2.18 Sales into Canada.
  2.19 Residency.
  2.20 GST Registration.
  ARTICLE 3
REPRESENTATIONS AND WARRANTIES OF THE BUYER
  3.1 Organizational Matters.
 .




---



##### 



3.2 Finders Fees.
  ARTICLE 4
ADDITIONAL AGREEMENTS
 4.1 Access to Information and Cooperation.




---



##### 



4.2 Conduct of the Business.




---



##### 








---



##### 



4.3 Regulatory Approvals.
  4.4 Exclusivity.
     4.5 Information.
  4.6 Delivery of Documents.




---



##### 



4.7 Further Assurances.
  4.8 Nondisclosure of Proprietary Information.




---



##### 



4.9 Use of Corporate Name.
  4.10 Continuation of Business by the Buyer.
  4.11 Repayment of Obligations and Liabilities.




---



##### 



4.12 Public Announcements and Disclosure.
   4.13 Non-Solicitation.




---



##### 



4.14 Compliance with Privacy Laws.
     4.15 Tax Returns.
  4.16 Environmental Matters.




---



##### 



4.17 Standard Bank.
  4.18 Repetro Regime Guarantee.
       4.19 Brazil Capital Leases.
  4.20 Transferred Employees.




---



##### 



4.21 Brazil Sublease.
  ARTICLE 5
BUYERS CONDITIONS
  5.1 Representations, Warranties and Covenants.
  5.2
    
    Due Diligence.
  5.3 Good Standing.
  5.4 Certificates, Notes and Instruments of Transfer.




---



##### 



5.5 No Litigation.
  5.6 No Material Adverse Event.
  5.7 Other Legal Matters.
  5.8 Licenses, Consents and Approvals.
  5.9 Consents of Third Persons.
  5.10 Resignations.




---



##### 



5.11 Repayment of Obligations and Liabilities.
  5.12 Assumed Indebtedness Excess Amount.
  5.13 Key Employees.
  5.14 Standard Bank.
  5.15 Legal Opinion.
  5.16 Termination or Cancellation of Options, Warrants and Convertible Securities.




---



##### 



5.17 OPGA Termination Agreement.
  5.18 Mutual Releases.
  ARTICLE 6
SHAREHOLDERS CONDITIONS
  6.1 Representations, Warranties and Covenants.
  6.2 Purchase Price
  6.3 Licenses, Consents and Approvals.




---



##### 



6.4 No Litigation.
  6.5 Other Legal Matters.
  6.6 Standard Bank.
  6.7 Legal Opinion.
  6.8 OPGA Termination Agreement.
  6.9 Mutual Releases.




---



##### 



ARTICLE 7
INDEMNIFICATION
 7.1 Indemnification by the Shareholder.
      7.2 Indemnification by the Buyer.




---



##### 



7.3 Procedure.
    7.4 Indemnification Basket; Effect of Materiality Qualifiers.




---



##### 



32    7.5 Waiver of Contribution.
  7.6 Payment.
  7.7 Failure to Pay Indemnification.




---



##### 



33 ARTICLE 8
NATURE OF STATEMENTS AND SURVIVAL OF COVENANTS,
REPRESENTATIONS, WARRANTIES AND AGREEMENTS
   th
 th th




---



##### 



34 ARTICLE 9
TERMINATION
 9.1 Termination.
      9.2 Liability Upon Termination.
  9.3 Notice of Termination.




---



##### 



35 ARTICLE 10
DEFINITIONS OF CERTAIN TERMS
 10.1 Definitions.




---



##### 



36           




---



##### 



37




---



##### 



38




---



##### 



39




---



##### 



40




---



##### 



41




---



##### 



42




---



##### 



43          10.2 Additional Definitions.
  Term or Definition
    
    Location in AgreementAdditional Site Assessments
    
    Section 4.16BCH
    
    PreambleBuyer
    
    PreambleBuyer Basket Amount
    
    Section 7.4




---



##### 



44 Term or Definition
    
    Location in AgreementBuyer Losses
    
    Section 7.1Certain Countries
    
    Section 2.17Closing Date
    
    Section 1.2Corrective Actions
    
    Section 4.16Effective Time
    
    Section 1.3Facilities
    
    Section 4.16FCPA
    
    Section 2.17Financial Statements
    
    Section 2.7Initial Site Assessments
    
    Section 4.16ITCs
    
    Section 2.13Purchase Price
    
    Section 1.4Shareholder Basket Amount
    
    Section 7.4Shareholder Losses
    
    Section 7.2Shareholder
    
    PreambleSite Assessments
    
    Section 4.16Survival Period
    
    Article 8Third Party Claims
    
    Section 7.3(b)
 ARTICLE 11
MISCELLANEOUS
 11.1 Expenses.




---



##### 



45  11.2 Notices.
  
 llp
 
 llp




---



##### 



46  11.3 Specific Performance.
  11.4 Assignment and Successors.
  11.5 Entire Agreement.
  11.6 Governing Law and Attornment.
  11.7 Waiver.




---



##### 



47 11.8 Severability.
  11.9 No Third Party Beneficiaries.
  11.10 Counterparts.
  11.11 Headings.
  11.12 Negotiated Transaction.
  11.13 Acknowledgement of Legal Advice.
  11.14 Time of Essence.
  11.15 Currency.




---



##### 



48 THE REMAINDER OF THIS PAGE HAS BEEN LEFT BLANK INTENTIONALLY.
 IN WITNESS WHEREOF
 SHAREHOLDER:
BRAZALTA RESOURCES CORP.By:
    /s/ Charle GambaName:  
Charle GambaTitle:  
President and CEOBUYER:
ALLIS-CHALMERS ENERGY INC.By:
    /s/ Theodore F. Pound IIITheodore F. Pound IIIGeneral Counsel and Secretary




---



##### 



EXHIBIT A
 Capital Leases
  Contract No.
    
    Vehicle Make/Model
    
    
    Year
    
    
    VIN18520227201
    
    Mitsubishi  Pajero TR4
    
    
    2007
    
    
    93XLRH77W7C62018318520227201
    
    Mitsubishi  L200 Sport
    
    
    2007
    
    
    93XPRK7407C628238




---



##### 



EXHIBIT B
 Drilling Rigs




---



##### 



DRILLING RIG JR MACMILLAN (BCH-01)
 MANUFACTURER:  MODEL:
 DEPTH RATING
 101.6 (mm), 4 (in.) drill pipe:
    
    1500 (m), 4921 (ft)DRAWWORKSMake:
    
    SuperiorModel:
    
    400Drilling line:
    
    25.4 (mm), 1 (in.) (EIPS)Main brake:
    
    BandAuxiliary brake:
    
    Parmac HydromaticPower:
    
    Caterpillar 3412 (630 hp)Drive:
    
    Alison Torque ConverterCrown saver:
    
    Hitec CatheadMASTType:
    
    Box telescope (free standing) (cable raise)Height:
    
    34.14 (m) 112 (ft)Make:
    
    KremcoGross nominal Capacity:
    
    146,780, (daN), 330 000 (lbs)Static hook load rating:
    
    88,960 (daN), 200 000 (lbs)Racking capacity (doubles):
    
    153 x 101 mm, (4)pipe (doubles)SUBSTRUCTUREMake:
    
    KremcoType:
    
    One piece boxCasing capacity:
    
    88,960 (daN), 200 000 (lbs)Set back capacity:
    
    66,720 (daN), 150 000 (lbs)TRAVELLING EQUIPMENTBlock (ton):
    
    BJ 150Hook (ton):
    
    BJ Unimatic 150Block and hook model:
    
    BJ 6150Swivel (ton):
    
    National 200Model:
    
    P 200
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  sala 11/12
    
    Rua dos Jasmins n° 01, Bairro Planalto IIRio de Janeiro  RJ
    
    Catu, Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012Fax: 21  2588-8116




---



##### 



ROTARY TABLEMake:
    
    NationalModel:
    
    C-175Opening size:
    
    444.5 (mm), 17-1/2 (in.)Static load rating:
    
    226,796 (kg), 250 (ton)Drive:
    
    Caterpillar 3406 (420 hp)MUD PUMP NO. 1Make:
    
    BPMMP  Baoji, China (to Continental Emsco design)Model:
    
    F500Type:
    
    TriplexDisplacement:
    
    0.5  2.2
(m3/min) (gpm)135-575 @ 165 SPMPressures:
    
    9.2  26.3 (mPa), 1340 to 3820 (psi)Charge pump:
    
    Mission Magnum 5 in x 6 in centrifugalPower:
    
    Caterpillar 3412 (600 hp)Transmission:
    
    5-speed Allison 5960MUD PUMP NO. 2Make:
    
    BPMMP  Baoji, China (to Continental Emsco design)Model:
    
    F500Type:
    
    TriplexDisplacement:
    
    0.5  2.2
(m3/min), 135  575 (gpm) @ 165 spmPressures:
    
    9.2  26.3 (mPa), 1340 to 3820 (psi) spmCharge pump:
    
    Demco 5 in x 4 in centrifugalPower:
    
    Caterpillar 3412 (600 hp)Transmission:
    
    5-speed Allison 5960GENERATORSEngines:
    
    Caterpillar D3406 DITNumber:
    
    ThreeGenerators:
    
    210 KW (2x) / 300 KW (1x)  460/220 V 60 HzMUD SYSTEMTank volume:
    
    64 (m3), 370 (bbl), (two tanks)Shakers:
    
    Sweco LM 3Degasser:
    
    Poorboy
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  sala 11/12
    
    Rua dos Jasmins n° 01, Bairro Planalto IIRio de Janeiro  RJ
    
    Catu, Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012Fax: 21  2588-8116




---



##### 



BOP SYSTEMBOP stack:
    
    11 in Hydril GK 3M annular11 in Shaffer 3M double gateAccumulator:
    
    Hydril K8 454 (ltr), 120 (gal)Choke manifold:
    
    Oilmaster 3MAdjustable choke:
    
    WillisTest pump:
    
    HydratronINSTRUMENTATIONDrilling recorder:
    
    3-pen TotcoDriller console:
    
    Hitec Cathead mini consoleInclinometer:
    
    TotcoWeight Indicator:
    
    MD TotcoHANDLING EQUIPMENTWinch:
    
    Gearmatic hydraulic 2720 (kg), 3 (ton)Manriding winch:
    
    IR46RJ PneumaticKelly spinner:
    
    Foster hydraulicWireline winch:
    
    GearmaticHydraulic Power Tongs:
    
    White Bear  25,000 foot  pounds (3  5 in.)FUEL TANKCapacity:
    
    21 800 (ltr), 5760 (gal)WATER TANKCapacity:
    
    400 (ltr), 105 (gal)BUILDINGS:Change shack:
    
    20 ft container (modified)Doghouse a/c (large):
    
    20 ft containerTrailers:
    
    2x 40ft (offices, mess room)2x 20ft (living quarters)Geologist Lab:
    
    20 ft containerTUBULARSDrill pipe:
    
    300 ea  101.6 (mm), 4

(in.)

Grade E (H90 tool joints)Drill collars:
    
    20 ea  171.5 (mm), 6-3/4 (in.) spiral20 ea  120.6 (mm), 4-3/4 (in.)03 ea  196.9 (mm), 7.3/4 (in.)07 ea  171.5 (mm), 6.3/4"(in.)
  Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  sala 11/12
    
    Rua dos Jasmins n° 01, Bairro Planalto IIRio de Janeiro  RJ
    
    Catu, Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012Fax: 21  2588-8116




---



##### 



DRILLING
RIG
BCH-02
 ITEM
    
    DESCRIPTIONDRAWWORKS:
    
    - IRI Cabot 2550Horsepower Rating:
    
    - 1200 H.P.Maximum Hoisting Capacity:
    
    - 337.5 T with 10 lines of 1-1/4Auxiliary Brake:
    
    - Parmac V-80 HydromaticCrown Block Protection:
    
    - Stewart  StevensonPRIME MOVER (DRAWWORKS):
    
    - 2 Cat 3412 DITAOutput Horsepower rating:
    
    - 600 H.P. eachEmergency Shut-down:
    
    - Barber Type(Pumps):
    
    - 2 Cat D-399 TAOutput Horsepower:
    
    - 1150 H.P. with Barber Type ShutdownAIR COMPRESSORS:Type:
    
    - 1  Quincy 350-21 (E)  Electric Powered- 1  Quincy 350-22 (E)  Electric PoweredAutomatic:
    
    -Yes -1  Primary / 1  BackupROTARY TABLE:
    
    - Gardner Denver RT 27-1/2Maximum Table Opening:
    
    - 700 mmMaximum Static Load:
    
    - (222,500 daN)Torque Gauge:
    
    - TotcoRPM Gauge:
    
    - TotcoDERRICK:
    
    - IRI TelescopingStatic Hook Load w/ Lines of:
    
    - 322 T with 10 lines (318,000 daN)Racking Capacity:
    
    - 145 STD with 5Clear Working Height:
    
    - 38.7m (127 feet)Wind Capacity (Bare Mast):
     Wind Capacity (Full Set-back):
    
    - 106 MPH
- 80 MPHSUBSTRUCTURE:
    
    - IRI TelescopingCasing Load:
    
    - 460 Ton (409,400 daN)Minimum Clear Working Height:
    
    - 4.15m (13.8 ft)Set Back Capacity:
    
    - 162 Ton (360,000 lbs) (162,200 daN)TRAVELLING EQUIPMENT:Crown Block:
    
    - IRI 6  42 SheavesHook Block:
    
    - Emsco 350 T / 5 Sheaves (311,500 daN)Links:
    
    - BJ 350 T / 96 (311,500 daN, 2743 mm)Swivel:
    
    - Emsco LB 400 (Static Ratio mg 800,000 lb)(356,000 daN)TOP DRIVE:Manufacturer:
    
    - TESCOModel:
    
    - 250 HMISCapacity:
    
    - 250 TonsSpecs:
    
    - Hydraulic Power Pack (475 HP)
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  salas 11/12
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012
    
    Tel.: 71  3641-9909Fax: 21  2588-8116
    
    Fax: 71  3641-9459




---



##### 



ITEM
    
    
    
    DESCRIPTIONDRILLING LINE:Drilling Line Diameter:
    
    - 31.5 mm (1-1/4)Type:
    
    - IWRC  IPSStrength Capacity:
    
    - 71,000 daN (79.9T)DEAD LINE ANCHOR:Weight Indicator:
    
    - Martin DeckerHydraulic Sensor:
    
    - Martin DeckerLine Scale Weight Indicator
    
    - Cameron CHYDRAULIC WINCH:Type:
    
    - Pull master PL8 (Hydraulic)Load:
    
    - 7000 Lbs: 3115 daNNo:
    
    - TwoMUD PUMP:No/Make/Model/Type  Pumps:
    
    - 2  Gardner Denver PZ9 TriplexPower Rating:
    
    - Pump- 750 kw (1000 H.P.) Each Engine Rating CaterpillarD-399c/w torque converter (1150 H.P.)Maximum Strokes / Minute:
    
    - 120Maximum Working Pressure:
    
    - Lesser of 80% of Liner Rating or Published PressureLiner Size Available:
    
    - 6, 6-1/2Suction Pulsation Dampener:
    
    - NoDischarge Pulsation Dampener:
    
    - Continental Emsco 10 Gallon Lower Case5000 psi on each PumpCharge Pump (Centrifugal):
    
    - Mission 5 x 6MUD TANKS:Active Tank Volume:
    
    - 180 m3(1110 bbl)Premix Tank:
    
    - 48 m3 (400 bbl)Trip Tank:
    
    - 3.5 m3(22 bbl)Agitators:
    
    - 5  Norgear Model 800SW- 20 H.P.Mud Guns:
    
    - Low Pressure for each CompartmentDesilter:
    
    - Swaco 12- 4 ConesDegasser:
    
    - Rolln Atmospheric 20 (500 mm Dia.)Centrifuge Machine:
    
    - Swaco Model 1828Shale Shakers:
    
    - 3  Swaco LinearCentrifugal Pumps:
    
    - Mission StyleType:
    
    - 6 x 8 and 2x3Capacity:
    
    - Various as per applicationNumber:
    
    - Seven
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  salas 11/12
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012
    
    Tel.: 71  3641-9909Fax: 21  2588-8116
    
    Fax: 71  3641-9459




---



##### 



ITEM
    
    
    
    DESCRIPTIONLIGHT PLANTS:Generators Available, (Rating-KW)
    
    - 2-CAT-3412 DITA 680 KWLighting available for:
    
    - Location Lighting and Wellsite ModuleBoth for rig :
    
    - For Rig and Wellsite AccommodationVoltage:
    
    - 480 Volts w/ Transformer to 220v / 110vTUBULARS:Drill Pipe:- 288 Joints of 5 inch 19.5 Ib per ft Grade S135 c/w
4 1/2 inch IF tool joints- 144 Joints of 5 inch 19.5 Ib. per ft Grade E c/w 4 1/2
inch IF tool joints- 360 Joints of 3 1/2 inch 13.3 Ib per ft. Grade G105
c/w 3 1/2 inch IF tool joints- 8- 5 inch pup Joints of assorted lengths c/w 4 1/2 inch
IF tool joints- 15 Joints of 5 inch HEVI- WATE drill pipe c/w
4 1/2 inch IF connectionsDrill Collars:- 3- 9 inch Spiral drill collars with 7 5/8
REG connections- 9-8 inch Spiral drill collars with 6 5/8 inch
REG connections-11-7 inch Spiral drill collars with 4 1/2 inch IF
connections-12-6 1/2 inch Spiral drill collars with 4 1/2 inch IF
connections-30  6 1/4 inch Spiral drill collars with 4 1/2
inch IF connections- 21- 4 3/4 inch Spiral drill collars with 3 1/2 inch IF
Connections
 Escritório Central:
    
    Base de Operações:Av.
Rio Branco, 01  12° andar  salas 11/12
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012
    
    Tel.: 71  3641-9909Fax: 21  2588-8116
    
    Fax: 71  3641-9459




---



##### 



ITEM
    
    DESCRIPTIONBLOW OUT PREVENTION EQUIPMENT:Annular Preventer:
    
    - 1 -11 inch 5000 psi Hydril Annular PreventerRam Preventers:
    
    - 1 -11inch 5000 psi Shaffer double Ram Preventer- 1 - 11 inch 5000 psi Shaffer single Ram Preventer:Drilling Spool:
    
    - 1- 11 inch 5000 psi drilling spool c/w 2- 4 1/165000 psi outletsChoke Manifold:
    
    - 1 - 5000 psi choke manifold c/w
one manual and one auto choke with consoleAccumulator:
    
    - Valvcon 130 Gallon 6 station
 AUXILIARY TOOLS & INSTRUMENTS:1. Automatic Drill Recorder
    
    - Martin Decker 5 Pen2. Single shot Drift Recorder
    
    - Totco 7°3. Wire-line Unit (Hydraulic):
    
    - 0.092 Line Rated for4570m / (15,000 ft)4. High Pressure Wash Gun (Pump):
    
    - CAT w/ 3 H.P. Electric Motor5. Sump Pump:
    
    - FLYGT 4" (Electric)6. Kelly Spinner:
    
    - Foster 77 (Mckinney)Kelly Bushing:
    
    - Varco HDP Hex7. Drill Pipe Spinner:
    
    - Varco SSW 108. Rotary Hose:
    
    - Goodall 55 x 3 ID x min 5000PSI Working Pressure9. Kelly:
    
    - 5-1/4 Hex  40 ft longKelly Drive
 Bushing:
    
    - Pin Drive10. Fuel Tanks, One tank at rig
    
    - 40,000 liter / Tank11. Fuel Pumps:
    
    - 2  Electric Powered12. Water Tanks, (Drilling Water Rig Storage):
    
    - 1 Hydormatic Tank- 2-Water Storage Tanks- 1-Rig Water TankWater Pumps:
    
    - 2  3 Jacuzzi (Electric Powered)- 2- 120 Barrel water transport tanks skid mounted13. Hand Tools:
    
    - Complete set for rig, mechanic and electrician14. One (1) Derrick Bunk15. One wellsite unit for Rig Manager
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  salas 11/12
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012
    
    Tel.: 71  3641-9909Fax: 21  2588-8116
    
    Fax: 71  3641-9459




---



##### 



Schedule A
 Rig Name & Number
    
    Quintera #1Depth Rating
    
    1400 m with 102 mm drill pipeKB to Ground
    
    3.5 mBottom of table beam to ground
    
    2.8 mApproximate Loads
    
    Rig  9 loads, DP & DC  1 load
 Equipment
 Drawworks
    
    Make
    
    Rostel 300Auxiliary Brake
    
    Eaton 124 WCBRig Power & Distribution
    
    
    
    Detroit Series 60Mast
    
    Make
    
    Rostel Stiff MastHeight
    
    20.4 mMaximum Hook Load
    
    88,900 daN w/6 linesCertified
    
    Dec. 2003Substructure
    
    Length
    
    Hydraulic High BackHeight
    
    3 mCasing Capacity
    
    66,700 daN setbackCrown Block
    
    Make
    
    RostelMaximum Load
    
    88,900 daN with 3 sheavesCertified
    
    YesTravelling Block / Hook
    
    Make
    
    Ideco UTB 110Maximum Load
    
    97,000 daNCertified
    
    Jan. 2004Swivel
    
    Make
    
    Oilwell PC-100Maximum Load
    
    88,900 daNCertified
    
    Nov. 2005




---



##### 



Equipment Contd
 Drilling Line
    
    
    
    Size
    
    
    
    
    
    25 mmRotary Table
    
    
    
    Make
    
    
    
    
    
    Ideco 175Opening Size
    
    
    
    
    
    444 mmMaximum Load
    
    
    
    
    
    66,700 daNPump #1

F500
    
    
    
    Input Power
    
    
    
    
    
    Series 60 DetroitMax. AllowableOperating Limits
    
    
    
    SPM
    
    
    
    
    
    Max. Allowable Operating PressLinear Size
    
    140 mm
    
    165
    
    
    
    
    
    14,000 kPa152 mm
    
    165
    
    
    
    
    
    12,000 kPaMud System
    
    
    
    # of Tanks
    
    
    
    
    
    1# of Compartments
    
    
    
    
    
    4Total ActiveVolume
    
    
    
    
    
    34 m3Trip Tank Volume
    
    
    
    
    
    3.46 m3Pill Tank Volume
    
    
    
    
    
    5.4 m3Pre-Mix Tank Volume
    
    
    
    
    
    30 m3Transfer Pumps - Make
    
    
    
    
    
    5 x 6 - 50 HPDesilter - Make
    
    
    
    
    
    SwacoCone Size
    
    
    
    
    
    10 ConesShaker - Make
    
    
    
    
    
    Swaco ALSScreen Sizes Available
    
    
    
    
    
    Up to 170 MeshWell Control SystemAccumulator
    
    
    
    Type
    
    
    
    
    
    Valvcon 4 StationCapacity
    
    
    
    
    
    80 Gal.Pressure
    
    
    
    
    
    21,000 kPaRemote Control Stn.  # of functions
    
    4Master Controls at Accumulator
    
    YesChoke Manifold
    
    
    
    Installed in Heated Enclosure
    
    YesMax. Working Pressure
    
    
    
    
    
    21,000 kPaGut Line
    
    Size
    
    76 mm #2Wing Lines
    
    52 mmManual Choke
    
    Make
    
    NationalSize
    
    72 mmHCR Valve
    
    Make
    
    NationalRating
    
    21,000 kPaLower Kelly Cock
    
    Make
    
    APIRating
    
    21,000 kPa




---



##### 



Equipment Contd
 Stabbing Valve
    
    Make
    
    APIRating
    
    21,000 kPaMud Gas Separator
    
    
    
    
    
    Size
    
    762 mmHeight
    
    2.14 mInlet Line
    
    Size
    
    76 mmOutlet
    
    152 mmB.O.Ps
    
    
    
    Annular
    
    Make
    
    TownsendSize
    
    228 mmRating
    
    21,000 kPaLastInspection
    
    Mar. 2006Pipe Ram
    
    Make
    
    TownsendSize
    
    228 mmRating
    
    21,000 kPaLastInspection
    
    Mar. 2006Blind Ram
    
    Make
    
    TownsendSize
    
    228 mmRating
    
    21,000 kPaLastInspection
    
    Mar. 2006InstrumentationWeight Indicator
    
    
    
    
    
    Make
    
    Martin DeckerCrown-o-matic
    
    
    
    
    
    Make
    
    Control DrillingRecorder
    
    
    
    
    
    Make
    
    Pason Electronic Drilling RecorderSurvey Instrument
    
    
    
    
    
    Make
    
    TotcoModel
    
    Degree 21Drill Pipe
    
    
    
    
    
    
    
    
    
    API GradeLength
    
    150 jointsSize
    
    102 mmClassification
    
    PremiumDrill Collars
    
    
    
    
    
    

    
    O.D
    

    14  121 mm (4 3/4)Length
    
    128 mO.D.
    
    6  159 mm (6 1/4)Tankage
    
    
    
    
    
    Fuel
    
    11,000 ltrsLight Plant
    
    
    
    
    
    
    
    
    
    Series 60Type
    
    Detroit




---



##### 



Equipment Contd
 Output
    
    350 kwVoltage

    
    480Miscellaneous Equipment
    
    
    
    
    
    
    
    Hydraulic Pipe TubRig Managers Shack
    
    
    
    
    
    Size
    
    12 x 12Type
    
    Alta-FabManufactured
    
    Sept. 2004Serial #
    
    041242F4770




---



##### 



Drilling Rig BCH-04 (IRI 750)
General Specification
 ITEM
    
    DESCRIPTIONMODEL:
    
    IRI 750 TRAILER MOUNTED DRILLING RIGDRAWWORKS:
    
    IRI 750 model 2042/160 750 hp, 1 1/8 grooving, trailer mountedMAST:
    
    117 350,000# IRI double 10 line 365,000#RIG MOTOR:
    
    series 60 Detroit, model #6063HK33, 750 hpTRANSMISSION:
    
    Allison CTL-6061-4AUXILIARY BRAKE:
    
    Eaton 24 x 3 discSUBSTRUCTURE:
    
    IRI hydraulic box scoping 350,000# set back, 22BLOCK:
    
    Ideco 160 ton shortySWIVEL:
    
    TSM 150KELLY:
    
    5 1/2 squareKELLY BUSHING:
    
    VarcoROTARY TABLE:
    
    Ideco 20-1/2BAILS:
    
    Joy 350 tonMUD PUMP UNIT #1:
    
    Gardner Denver PZ-8 stroke 8, P/B Cat. 3508, (705 hp), in house.MUD PUMP UNIT #2:
    
    Gardner Denver PZ-8 stroke 8, p/b cat. 3508, (705 hp), in house.COMBINATION HOUSE:
    
    Koomey 6 station 5 bottle w/30 hp union triplex pump,
 (1) generator marathon 350 kw, p/b Detroit
series 60, 
(1) generator magnamax 200kw, p/b cat. 3306BLOWOUT PREVENTION EQUIPMENT:
    
    13 5/8 X 5000 Hydril Annular Preventer, 5/8 X 5000 Shaffer Double Ram Preventer.CHOKE MANIFOLD:
    
    5000 PSI Choke manifold c/w one manual and one auto choke complete with console. (located at end
of catwalk).Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  salas 11/12
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012Fax: 21  2588-8116




---



##### 



ITEM
    
    DESCRIPTIONMUD SYSTEM:
    
    (2) tank 600 bbl. w/(2) shale shakers linear motion
dfts, percharge and mixing pumps mission magnums, 8 x
6 w/12 impellers, (5) sew-eurodrive type RF87 c/w 5
hp motor and 1 1/8 shaft, (1) pill tank agitator
sew-eurodrive type KF47 c/w 5 hp motor and 1 1/8
shaft, degasserDOGHOUSE WATER TANK:
    
    Drillers controls and brake handle in glass dome
inside of doghouse cantilevers downTOOL PUSHER HOUSE:
    
    40 Office / Living quartersMISC. TOOLS:
    
    Foster Kelly spinner, auto driller, folley type B
tongs, catwalk, katch kan recovery system for oil
based drilling fluids. Pipe racks, 45 foot catwalk
w/manifold.TUBULARS:
    
    - 250 Joints of 5 19.5 S-135 Drill pipe c/w 4 1/2
IF connections- 15 Joints of 5 Hevi-Wate drill pipe c/w 4 1/2" IF
connectionsDRILL COLLARS:
    
    - 20 x 6 1/2 Spiral drill collars- 4 x 8 Spiral drill collars
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  12° andar  salas 11/12
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  2588-8011 / 2588-8012Fax: 21  2588-8116




---



##### 



Drilling Rig BCH-05E
General Specification
 Substructure
    
    Substructure Type: Single BoxManufacturer: MastcoFloor Height: 4.7 metersK.B. to Ground: 5.1 metersClear Working Height: 4.11 metersRotary Capacity: 166,800 daNMaximum Rated Pipe Setback: 133,500 daNMast
    
    Mast Type: Telescoping doubleManufacturer: RigmasterStatic Hook Load: 166,800 daNNumber of Lines: 8 LinesDrill Line Size: 28.5mm (11/8 in.)Racking Capacity: 3200m x 127mm D.P.Drawworks
    
    Drawworks: Rig Master 750Drawworks Capacity: 180,000 daN w/ 8 LinesRated Power kW (hp): 520kW (750hp)Drawworks Drive: GE-752 745KWMud Pumps
    
    Mud Pump #1Manufacturer & Model: Gardner Denver PZ-9Rated Power: 745 kW (1000 hp)Stroke (mm): 228.6mm (9)Mud Pump Drive: GE 752 745kW (1000hp)Mud Pump #2Manufacturer & Model: Gardner Denver PZ-9Rated Power: 745 kW (1000 hp)Stroke (mm): 228.6mm (9)Mud Pump Drive: GE 752 745kW (1000hp)Mud Tanks
    
    Mud SystemMud Tank Capacity: 105m3Number of Tanks: 2Trip Tank Capacity: 5.50 m3Precharge & Mix Pumps: 3 x HALCO Supreme 5x6 w/ 11 ImpellersAgitators: 6 x Sew  Eurodrive Type RF87 c/w 7.5hp motors & 1 1/8
shaftPill Tank Agitator: 1 x Sew  Eurodrive Type KF47 c/w 5hp motor & 1
shaftDegasser: 762mm Vessel w/ 76mm Inlet & 203mm OutletShale Shakers
    
    Shale Shaker: 2 x Swaco MongooseGenerators
    
    Generator Drive: 2 x 12V2000 DetroitsGenerator Size: 2 x Marathon 630 kWGenerator Drive: 1x Series 60 14 litreGenerator Size: 1 x StanfordB.O.P
    
    BOP Stack Diameter: 228.6mmBOP Pres. Rating: 21,000 kPa.EUB Class: Class 3 Nace Trim c/w One Shaffer Annular with two Shaffersingle gatesAccumulator
    
    Accum. Manufacturer: Control Tech 6 stationAccum.Volume 654 litres 120 gallonAccum. Pump: 30hp Omni Triplex
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  8° andar  sala 804
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  3213-8050
    
    Tel.: 71  3641-9909Fax: 21  3213-8051
    
    Tel.: 71  3641-9459




---



##### 



Drill Pipe
    
    Drillpipe: 3500m x 23.35 kg/m, 101.6mm X-95 Premium D.P. w/ 31/2
Tough Torque Threads 355 jnts Drill Pipe / 25 jnts Hevi-wate Drill Pipe
31/2 IF ConnDrill Collars
    
    2 x 228mm D.C.s w/ 6 5/8  Reg. Threads20 x 165mm D.C.s w/ 4.5 XH ThreadsDoghouse/Water/Fuel Comb.
    
    Water Tank Capacity: 84 m3Fuel Tank: 25,000 LitresBlock
    
    Block Model: 250TBlock Capacity: 250 TonTop Drive
    
    Top Drive Model: Tesco HMITop Drive Capacity: 250 Ton
 Escritório Central:
    
    Base de Operações:Av. Rio Branco, 01  8° andar  sala 804
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.: 21  3213-8050
    
    Tel.: 71  3641-9909Fax: 21  3213-8051
    
    Fax.: 71  3641-9459




---



##### 



Drilling Rig  BCH-06 (telescopic double)
General Specification
 DEPTH RATING:
    
    2800m with 4 in drill pipeAPPROXIMATE LOADS:
    
    14 loads
 ITEM
    
    DESCRIPTIONDERRICK:Model JJ1351D 105 telescopic doubleEffective height 31mMax hook load 1350 KNHyd lift mechanical telescopeRacking board height above floor 17.4m (57)Set back capacity 4 1/2 DP (2800m) (9200)+ 6 1/4 DC (20 jts)Crown block model TC 135CRated 1350 KN (297,500 lbs.)5 x 760 mm (30) 11/8 grooved sheavesFold up racking boardEasy rider assemblyEscape buggy with deadline anchor weightDerrick will be Painted White with a Red Crown.Hydraulic Rams for Make up and Breakout.One crown mounted fall arrestOne monkeyboard mounted fall arrest on slope line4 standpipe with Kelly hose and valves and fig 602 fittings2 casing standpipe with valve, fittings and hoseSUBSTRUCTURE:Model DZ 160/ 4.5Max set back 1350 kN (348,000 lbs)Floor height 4.5m (14.7)Ground to bottom of rotary beam 3.52m ( 11.5Pipe bottom bird bathsBOP hydraulic lift systemBOP tie downFolding handrails on top areaZP175 17 1/2 Rotary table rated 1600 KN (352,640 lbs.)BOPs:9 3000 psi 21 mpaAnnular FH23-21 9 3000 (Annular Shaffer Element.)2-9 3000 ram block c/w Pipe Rams and Blind Rams.FZ23-219 3000 x 9 3000 working spool with 3 3000 outletsHCR & Manual valves2-Kill line valves3 1/8 1-HCR Hydraulic, 1- Manual9 Valve Manifold c/w 2 Chokes.
 Sede:
    
    Escritório Brasil:Suite 500, 816  7th Avenue SW
    
    Av. Rio Branco, 01  8° andar  sala 804Calgary, AB, Canada
    
    Rio de Janeiro  RJT2P 1A1
    
    20090-003Tel.: +1(403) 539-9488
    
    Tel.: 21  3213-8050Fax +1(403) 265-4160
    
    Fax: 21  3213-8051




---



##### 



ITEM
    
    DESCRIPTIONDRAWWORKS:Model JC20 rated 550hp15 L Cummins 600hp engineAllison 6061 transmissionJFD 130 right angle drive boxDrum 450mm x 912mm (17.7x36) 11/8 lebus groovedCirculating drum with closed loop glycol310mm x 1070mm (12x42) break hubs224 ETN auxiliary brakes with closed loop glycol system shared with
circulating drumRotary table brake50 hp electric two stage hydraulic systemPTO hyd system3 T (6600lb) boom line winch on mud tank side5 T (11000lb) tugger winch on doghouse side
Survey WinchPIPE SYSTEM:Catwalk with manifold shack with two 3 lines and one 8 de-gasser
linYJG 21 21 mpa (3000 psi) rated choke manifold lineV door installed on catwalkFolding pipe rack arms installed on shack sideThree of forklift accessible pipetubs240 Jts. 4 FH X95 drill pipe hardbanded and internal coated15 Jts. 6 1/4 4 1/2 X H drill collars (zipped for slips and hardbanded
on pin end) 20 each 4 1/2 HWDP
 MUD TANKS:60m3 usable 5 compartments including trip tank, shaker tank, settling tank, suction
tank and pil tankSand trap4- 7.5 hp agitators in tank2  50 HP 5x6 Victory mud mixers (or 6 x 8)2  Winch polesDe-gasser unitMixing hopper
 PUMP HOUSE:
 12 6 wide BuildingF1000 mud pump23 L Cummins with Icona clutch conventional mount with belt driveAllison 6061 transmissionElectric 5 x 6 precharge or mechanical (please advise if electric ormech preferred and if mechanical whether conventional belt driven orR/A with polychain drive preferred)
 Sede:
    
    Escritório Brasil:Suite 500, 816  7th Avenue SW
    
    Av. Rio Branco, 01  8° andar  sala 804Calgary, AB, Canada
    
    Rio de Janeiro  RJT2P 1A1
    
    20090-003Tel.: +1(403) 539-9488
    
    Tel.: 21  3213-8050Fax +1(403) 265-4160
    
    Fax: 21  3213-8051




---



##### 



ITEM
    
    DESCRIPTIONLIGHT PLANT:2x 450 KW generatorsPowered by 15 L CumminsLouvered panels for both generators1 accumulator with air back upPlumbing for nitrogen ( nitrogen bottles not included)Koomey cord and remote (doghouse installed)Please advised if PLC needed approximately 30000.00 extraTool room with work bench, storage shelves and storage cupboardElectric air compressorChange shack with 12 lockers and benchElectric heater in change shackDOGHOUSE & WATER TANK:65m3 water storageTwo water supply pumps18,000L fuel tankTwo fuel pumps3 oil storage binsDoghouse with junk roomKnowledge boxStorage cupboardsWinch trolley bar in junk roomTRAVELLING EQUIPMENT:Swivel SL135Hydraulic Kelly spinnerTravelling blocks YG135C 1350 KN41/4 square Kelly bar/ c/w Drive Bushing or 3 1/2 bar and bushingsSlips (Drill Pipe and Drill Collar)Elevators DH 1501000m spool 1 1/8 drill line108 x 250 Ton Bale LinksChoke Hose, 2 Kill Hose ,Shock Hose
 
 Sede:
    
    Escritório Brasil:Suite 500, 816  7th Avenue SW
    
    Av. Rio Branco, 01  8° andar  sala 804Calgary, AB, Canada
    
    Rio de Janeiro  RJT2P 1A1
    
    20090-003Tel.: +1(403) 539-9488
    
    Tel.: 21  3213-8050Fax +1(403) 265-4160
    
    Fax: 21  3213-8051




---



##### 



WORKOVER RIG BCH-101
 General
Specification
 MANUFACTURER:  MODEL
 Rig
 
 Tubing Supplies
 
 Rod Supplies
 
 Tools
 
 Escritório Central:
    
    Base de Operações:Av.
Rio Branco, 01  8° andar   sala 804
    
    Rua dos Jasmins, 01  Bairro Planalto IIRio de Janeiro  RJ
    
    Catu  Bahia20090-003
    
    48110-000Tel.:
21  3213-8050
    
    Tel.: 71  3641-9909Fax: 21  3213-8051
    
    Fax: 71  3641-9459




---



##### 



Swab Supplies
  
 Other
 
 Escritório Central:
    
    Base de Operações:Av.
Rio Branco, 01   8° andar   sala 804
    
    Rua dos Jasmins, 01  Bairro Planalto II

Rio
de Janeiro   RJ
    
    Catu   Bahia20090-003
    
    48110-000Tel.:
21  3213-8050
    
    Tel.: 71  3641-9909Fax:
21  3213-8051
    
    Fax: 71  3641-9459




---



##### 



EXHIBIT C
 Mutual Releases




---



##### 



MUTUAL RELEASE FOR ALLIS-CHALMERS/DEPARTING NOMINEES




---



##### 



- 2 -




---



##### 



- 3 -




---



##### 



- 4 -  st
 ALLIS-CHALMERS ENERGY INC.Per:Name:Title:BCH LTD.Per:Name:Title:BCH ENERGY DO BRASIL SERVICOS

DE PETROLCO LTDA.Per:Name:Title:
 Witness
    
    
    
    David MearsWitness
    
    
    
    Lyle DunkleyWitness
    
    
    
    Louis MacEachern




---



##### 



- 5 - Witness
    
    
    
    Craig NieboerWitness
    
    
    
    Luiz AzevedoWitness
    
    
    
    Brendan Nelson




---



##### 



AFFIDAVIT OF EXECUTION
 CANADA
    
    
    )
    
    
    I,)
    
    
    of the City ofPROVINCE OF ALBERTA
    
    
    )
    
    
    in the  of)
    
    
    MAKE OATH AND SAY:TO WIT:
    
    
    )
  
  SWORN BEFORE ME at the City of
    
    
    ), in the
    
    
    )of ,
    
    
    )this  day of December, 2008.
    
    
    )A NOTARY PUBLIC IN AND FORTHE  OF




---



##### 



AFFIDAVIT OF EXECUTION
 CANADA
    
    
    )
    
    
    I,)
    
    
    of the City ofPROVINCE OF ALBERTA
    
    
    )
    
    
    in the
 of)
    
    
    MAKE OATH AND SAY:TO WIT:
    
    
    )
  
  SWORN BEFORE ME at the City of
    
    
    ), in the
    
    
    )of  ,
    
    
    )this  day of December, 2008.
    
    
    )A NOTARY PUBLIC IN AND FORTHE  OF




---



##### 



AFFIDAVIT OF EXECUTION
 CANADA
    
    
    )
    
    
    I,)
    
    
    of the City ofPROVINCE OF ALBERTA
    
    
    )
    
    
    in the

of)
    
    
    MAKE OATH AND SAY:TO WIT:
    
    
    )
  
  SWORN BEFORE ME at the City of
    
    
    ), in the
    
    
    )of ,
    
    
    )this  day of December, 2008.
    
    
    )A NOTARY PUBLIC IN AND FORTHE  OF




---



##### 



AFFIDAVIT OF EXECUTION
 CANADA
    
    
    )
    
    
    I,)
    
    
    of the City ofPROVINCE OF ALBERTA
    
    
    )
    
    
    in the
 of)
    
    
    MAKE OATH AND SAY:TO WIT:
    
    
    )
  
  SWORN BEFORE ME at the City of
    
    
    ), in the
    
    
    )of ,
    
    
    )this  day of December, 2008.
    
    
    )A NOTARY PUBLIC IN AND FORTHE  OF




---



##### 



AFFIDAVIT OF EXECUTION
 CANADA
    
    
    )
    
    
    I,)
    
    
    of the City ofPROVINCE OF ALBERTA
    
    
    )
    
    
    in the
 of)
    
    
    MAKE OATH AND SAY:TO WIT:
    
    
    )
  
  SWORN BEFORE ME at the City of
    
    
    ), in the
    
    
    )of ,
    
    
    )this  day of December, 2008.
    
    
    )A NOTARY PUBLIC IN AND FORTHE  OF




---



##### 



AFFIDAVIT OF EXECUTION
 CANADA
    
    
    )
    
    
    I,)
    
    
    of the City ofPROVINCE OF ALBERTA
    
    
    )
    
    
    in
the of)
    
    
    MAKE OATH AND SAY:TO WIT:
    
    
    )
  
  SWORN BEFORE ME at the City of
    
    
    ), in the
    
    
    )of ,
    
    
    )this  day of December, 2008.
    
    
    )A NOTARY PUBLIC IN AND FORTHE  OF




---



##### 



MUTUAL RELEASE FOR ALLIS-CHALMERS/BRAZALTA




---



##### 



- 2 -




---



##### 



- 3 -




---



##### 



- 4 -   st
 BRAZALTA RESOURCES CORP.Per:Name:Title:ALLIS-CHALMERS ENERGY INC.Per:Name:Title:BCH LTD.Per:Name:Title:




---



##### 



- 5 - BCH ENERGY DO
BRASIL SERVICOS 
DE PETROLCO LTDA.Per:Name:Title:




---



##### 



EXHIBIT D
 Assumed Indebtedness Excess Amount




---



##### 



BCH Energy Services
Proforma Indebtedness  December 31, 2008
Prepared: December 18, 2008  (in thousands)
 BRL
    
    USDAllis-Chalmers Convertible Debenture
    
    
    
    
    
    
    40,000Accrued Interest
    
    
    
    
    
    
    2,000Standard Bank Term Debt
    
    
    
    
    
    
    23,529Accrued Interest
    
    
    
    
    
    
    275HSBC Brazil Line of Credit
    
    
    3,000
    
    
    
    1,304HSBC Brazil Capital Leases
    
    
    759
    
    
    
    330ABN Brazil Capital Leases
    
    
    700
    
    
    
    304BCH Ltd. Accounts Payable
    
    
    
    
    
    
    250Accounts Payable & Accrued Liabilities
    
    
    3,600
    
    
    
    1,565Fiscal Liabilities
    
    
    750
    
    
    
    326Payroll Related Liabilities
    
    
    2,800
    
    
    
    1,217Fair Value of FX Financial Derivatives
    
    
    
    
    
    
    76571,866
 
 Assumed Foreign Exchange Rate
    
    
    0.43
    
    
    
    2.30