National 2000HP DC Electric Drilling Rig

Specifications

Efficiant Depth Range: 25,000′.

Prime Mover: Four Cat 3512C engines with 1325 kW KATO generators rated at 1,800 amps.

Drawworks:

• National 1320-UE with two 752 engines and 336 Eaton brakes.

SCR System

• IEC 4×4 system with four SCR cubicles and four control cubicles.
• Motor control center with 150 kVA ligthing transformer.
• 750 kVA 600/480 V transformer.

Mast: Skytop Brewster with 1,250,000 lb hookload.

Top Drive: Varco TDS-11 AC-driven portable top drive with 90′ rotating mousehole.

Substructure: 30′ Superior Derrick Service unit rated at 2,000,000 lb.

Hydraulic Catwalk: Forum Wrangler 3550.

Rig Walker: Veristic Manufacuring hydraulic rig walker with rig leveling system.

Pumps: (3) Gardner Denver PZ-11 triplex pumps rated at 1,600 hp. Each pump comes with two 752 electric motors for a total of 7,500 psi.

Mud System:

• (3) 1,500 bbl capacity covered steel tanks with desander, desilter, mud cleaner, and gas buster.
• (2) Brandt dual linear motion shakers with mud cleaner and vacuum degasser.

Traveling Block: National with 500-ton capacity.

Rotary Table: Continental Emsco 37 1/2″.

BOP System

• (1) 13-5/8″ 5,000 lb Hydril GK annular.
• (1) 13-5/8″ 10,000 lb Cameron Type U Single.
• (1) 13-5/8″ 10,000 lb Cameron Type U Double.
• (1) 225 gal Koomey closing system.
• (1) 4″ 10,000 lb choke manifold.

BOP Handling System: Wrangler 30-ton.

Drillstring:

• 20,000′ 5″ OD, Grade G 19.50 lb.
• (18) 6′ 3/4″ OD with 31′ drill collars.
• (6) 5″ OD heavyweight.
• (6) 8″ OD with 30′ drill collars.

Camp:

• (1) 12-man bunkhouse with crew galley.
• (1) Driller bunkhouse with galley.
• (1) Toolpusher bunkhouse with galley and office.

Other Equipment:

• 20,000 gallon fuel tank.
• 500 bbl water tank.
• Apollo automatic driller.
• Totco electronic drilling recorder.
• Varco ST-80 iron roughneck.