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The Fleet  Our Rigs  List by Location  GSF Monarch

Fleet Specifications

GSF Monarch
Harsh Environment Deep Water Jack-up

General Description 

Design Friede & Goldman L-780 Mod V graphic
Overall dimensions 228 by 222 by 31 ft.
Legs (3) 496 ft. long triangular
Quarters capacity 98 persons 
Operating water depth 361 ft. (Central & Northern North Sea, site specific approval at > 300 ft)
Cantilever envelope 52 ft. by 30 ft.
Maximum variable load (drilling) 7,414.15 kips *

* 328 ft. WD; 100 knot wind; 40 ft. wave; 1.5 knot current

Drilling Equipment 

Derrick 160 ft. by 36 ft. J Paris, with a static hook load capacity of 1,400,000 lbs. with fourteen lines
Drawworks Continental Emsco C-3, 3,000 hp, driven by three 1,000 hp motors, with a Baylor 7838 auxiliary electric brake
Rotary table Continental Emsco T-4950 with independent drive using a GE 752 DC motor with 2 speed transmission
Top Drive Varco TDS-4S, 650 ton, rated to 45,500 ft.-lbs. continuous drilling torque in low gear, complete with an open loop cooling system and PH-85 pipehandler
Mud Pumps Three Continental Emsco FB-1600, 1,600 hp triplex pumps, each driven by two 1000 hp DC traction motors
Solids Control Three scalping shakers cascading onto five Thule VSM 100 linear motion shakers and facilities to tie in centrifuges and a cuttings wash system/ cuttings injection package

Power Equipment 

DC Five Hill Graham SCR units, each rated at 1350 kW, powering eleven 1,000 hp DC electric motors
AC Four Wartsila 22v22md diesel engines, 2,065 hp, each driving a 2,050 kva generator

Storage Capacities 

Active liquid mud 2,337 bbl.
Base oil 1,149 bbl.
Brine 4,030 bbl.
Bulk material 12,600 cu. ft.

BOP Equipment

Diverter  system Vetco KFDJ-500, 500 psi, 49-1/2 in. fixed diverter with two 12 in. discharge lines and two 12 in. hydraulically operated ball valves
21-1/4 in. system One Hydril type MSP 2,000 psi annular preventer, one QOP type Q 2,000 psi double ram preventer  
13-5/8 in. system One Hydril type GK 5,000 psi annular preventer and two Shaffer type SL 10,000 psi double ram preventers .

Other Equipment

Cranes Three Skagit 363 cranes, with 120 ft. booms, rated for 39 tons at 20 ft. radius

Special Features 

Choke manifold Cameron 15,000 psi WP choke manifold
CTU 700 kip conductor tensioning unit

Inquiries should be directed to the Marketing Department Houston 15375 Memorial Drive Houston TX 77079-4101 (281) 925-6000 Fax (281) 925-6010