Contract Drilling

Weatherford International Ltd.515 Post Oak Blvd., Suite 600Houston, Texas 77027 USATel: 713-693-4000weatherford.com

Weatherford products and services are subject to the Company’s standard terms and conditions, available on request or at weatherford.com. For more information contact an authorized Weatherford representative. Unless noted otherwise, trademarks and service marks herein are the property of Weatherford. Specifications are subject to change without notice. Weatherford sells its products and services in accordance with the terms and conditions set forth in the applicable contract between Weatherford and the client.

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Rig 319Heavy Duty, 3,000 HPGeneral DescriptionDesign . . . . . . . . . . . . . . . . . . . . . . . . . . Branham/Swift-LiftEstimated drilling depth rating . . . . . . . . 25,000 ft (7,620 m)*Camp capacity . . . . . . . . . . . . . . . . . . . . 80Estimated total rig move loads . . . . . . . 120 truck loadsEstimated total camp move loads . . . . . 20 truck loads

MastType . . . . . . . . . . . . . . . . . . . . . . . . . . . . Branham/Swift-LiftHeight . . . . . . . . . . . . . . . . . . . . . . . . . . 157 ft (47 .8 m)API rated simultaneously load capacity of setback and rotary . . . . . . . . . . . . . . . 2,395,748 lb (1,086,693 kg)Static hook-load capacity . . . . . . . . . . . 1,597,900 lb (724,795 kg)Setback capacity . . . . . . . . . . . . . . . . . . 797,848 lb (361,898 kg)

SubstructureType . . . . . . . . . . . . . . . . . . . . . . . . . . . . Branham Swing lift, self-elevatingHeight . . . . . . . . . . . . . . . . . . . . . . . . . . 34 .9 ft (10 .67 m)Clear height, rotary beam to ground . . . 26 .9 ft (8 .23 m)Casing capacity . . . . . . . . . . . . . . . . . . . 1,597,900 lb (724,795 kg)Setback capacity . . . . . . . . . . . . . . . . . . 797,848 lb (361,898 kg)

DrawworksType . . . . . . . . . . . . . . . . . . . . . . . . . . . National 1625 UBDEPower rating . . . . . . . . . . . . . . . . . . . . . 3,000 HPInput power . . . . . . . . . . . . . . . . . . . . . . 3 × General Electric GE-752, 1,000 HP

eachDrilling line diameter . . . . . . . . . . . . . . . 1-5/8 in .Auxiliary brake . . . . . . . . . . . . . . . . . . . Baylor/Elmagco 7838

Top Drive/SwivelType . . . . . . . . . . . . . . . . . . . . . . . . . . . Canrig/1275 ACCapacity . . . . . . . . . . . . . . . . . . . . . . . . 1,653,467 lb (750,000 kg)Torque . . . . . . . . . . . . . . . . . . . . . . . . . 51,400 ft-lb at 120 rpm

Rotary TableType . . . . . . . . . . . . . . . . . . . . . . . . . . . National/D-375Table opening . . . . . . . . . . . . . . . . . . . . 37-1/2 in .Drive type . . . . . . . . . . . . . . . . . . . . . . . Independent GE 752, 800 HP each

EngineEngines . . . . . . . . . . . . . . . . . . . . . . . . 5 × Caterpillar D-399, 1,215 HP eachGenerators . . . . . . . . . . . . . . . . . . . . . . 5 × Kato, 1,500 kVA, 600 V, 60 HzSCR/DC-DC . . . . . . . . . . . . . . . . . . . . . General Electric, type U drill

Well ControlDiverter . . . . . . . . . . . . . . . . . . . . . . . . . 1 × Hydril, MSP 29-1/2 in ., 500 psiLow-pressure annular . . . . . . . . . . . . . 1 × Hydril MSP 21-1/4 in ., 2,000 psiLow-pressure ram preventer . . . . . . . . 1 × Cameron, Type U, 20-3/4 in .,

3,000 psi, doubleHigh-pressure annular . . . . . . . . . . . . . 1 × Shaffer Spherical, 13-5/8 in ., 10,000 psiHigh-pressure ram preventer . . . . . . . 1 × Cameron, type U, 13-5/8 in .,

15,000 psi, double 2 × Cameron, type U, 13-5/8 in ., 15,000 psi, single

Choke-and-kill manifold . . . . . . . . . . . . 3-1/16 in ., 15,000 psi, hydraulic/manually operated

Accumulator unit . . . . . . . . . . . . . . . . . . Koomey 80 MC 220-11SB, 3,000 psi, 9 stations

Mud SystemMud pumps . . . . . . . . . . . . . . . . . . . . . . 3 × National 12-P-160, triplex single actingPower rating . . . . . . . . . . . . . . . . . . . . . 1,600 HPPressure rating . . . . . . . . . . . . . . . . . . . 7,500 psiActive mud volume . . . . . . . . . . . . . . . . 2,000 bblReserve mud volume . . . . . . . . . . . . . . 1,000 bblShale shakers . . . . . . . . . . . . . . . . . . . . 6 x Derrick/2L/M48-90F-3PDesander . . . . . . . . . . . . . . . . . . . . . . . Not availableDesilter . . . . . . . . . . . . . . . . . . . . . . . . . Not availableMud cleaners . . . . . . . . . . . . . . . . . . . . . King Cobra with 3 each, 10 in . + 24 each ×

4-in . conesSack storage capacity . . . . . . . . . . . . . 2 pallets at each hopper

EnhancementsCrane . . . . . . . . . . . . . . . . . . . . . . . . . . . Not availableForklift . . . . . . . . . . . . . . . . . . . . . . . . . . Caterpillar 966-D forklift, convertible to

loader – 5 tonKelly spinner/pipe spinner . . . . . . . . . . . I .T .C ./A6-C2 Kelly spinner/ Varco or

equivalent drillpipe spinnerDesert-style moving capabilities . . . . . . Not available*With standard 5-in . drillpipe .