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The Fleet  Our Rigs List by Name GSF Britannia
Fleet Specifications
| GSF Britannia |
| Jack-up Drilling Unit |
General Description
| Design |
Breit Engineering |
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| Overall dimensions |
224 by 200 by 25 ft. |
| Legs (4) |
324 ft. long triangular |
| Quarters capacity |
88 persons |
| Operating water depth |
200 ft. |
| Jacking system |
AMF Bear-Loc hydraulic system |
| Cantilevered drilling envelope |
45 ft. by 24 ft. |
| Maximum variable load (drilling) |
5,200 kips |
Drilling Equipment
| Derrick |
160 ft. by 30 ft. Brown Services, with a static hook load capacity of 1,000,000 lbs. with 12 lines (1-3/8 in. drilling line) |
| Drawworks |
Continental Emsco C-2, 2,000 hp, driven by two GE 752 DC motors, complete with Baylor 6032 electric brake |
| Rotary table |
National C-375, hydraulic chain driven from drawworks rotary countershaft |
| Top Drive |
Varco model TDS-4S, 650 ton, with closed loop cooling system and PH-85 pipehandler, rated to 45,500 ft.-lbs. continuous drilling torque |
| Pipe handling |
Varco AR 3200 iron roughneck |
| Mud pumps |
Three Emsco FB 1600, 1,600 hp triplex pumps, each driven by two GE 752 DC traction motors |
| Solids control |
Four Thule VSM-100 and one Thule VSM-300 linear motion shale shakers |
Power Equipment
| DC |
Five Ross Hill SCR units, each rated at 1400 amps, powering nine GE 752 DC motors |
| AC |
Eight Cat. D-398 diesel engines, 912 hp, driving eight Kato, 1,287 kva generators |
Storage Capacities
| Active liquid mud |
2,006 bbl., including processing tank |
| Reserve liquid mud |
7,851 bbl. |
| Base oil |
1,000 bbl. |
| Brine |
3,000 bbl. |
| Bulk material |
7,800 cu. ft. |
BOP Equipment
| Diverter system |
Hughes KFDJ 500 psi, 27-1/2 in., fixed diverter system with 12 in. discharge lines and two 12 in. hydraulically operated ball valves |
| 13-5/8 in. system |
One Hydril type GK 5,000 psi annular preventer, one Hydril 10,000 psi double ram preventer, and one Hydril 10,000 psi single ram preventer |
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Other Equipment
| Cranes |
One MLT PCM-120 crane with a 100 ft. boom, rated for 45 tons at 25 ft. radius, one Seatrax Series 60 Marine crane with a 135 ft. boom, rated for 51.96 tons at 20 ft. radius, and one Mariner 3600A crane with a 75 ft. boom, rated at 16 tons at 20 ft. radius |
Inquiries should be directed to the Marketing Department Houston 15375 Memorial Drive Houston TX 77079-4101 (281) 925-6000 Fax (281) 925-6010
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