Rig 4 on location

Rig 4

Nordic Calista Services Inventory

General Description

Single module, self-propelled, walker system for well-to-well moves on the same pad. The rig is designed to break down for transport from pad-to-pad moves and for remote location access. Cantilevered work over / drilling rig, capable of rigging up on 8 ft well spacing. The rig structure is fully winterized for arctic operations.

Years in Service

Nordic Calista Rig #4 was constructed in 2016/2017, completed rig acceptance November 15, 2017.

Subbase Complex

Mast:  CASSADY ENGINEERING 142′ triple mast, 700,000 lbs w/ 10-line string up, in compliance with API 4F, includes top drive rail guidance system, capable of racking up to 14,500′ of 5″ drill pipe, 16,200’ of 4-1/2″ drill pipe, 21,600′ of 4 ” drill pipe

Traveling Block: TSM, 350 ton, in compliance with API standards 8C and API RP8B, grooved for 1-3/8″ drilling line

Drawworks: RigMaster, Model IDE90AC, 1,500 hp rating

Drill Line: 1-3/8″

Top Drive: Tesco 350-EXI-800, 800HP, 220RPM, capable of 37,500 ft/lbs torque at 112 rpm, max 48,000 ft/lb make up torque and 56,000 ft/lb break-out torque, integrated swivel rated 5000psi WP with 3″ ID water course.

Rotary Table: 27-1/2″ rotary table, 500 ton, 20,000 ft/lb torque rating

Prime Movers

3 – Caterpillar 3512, DITA, 1102 kw each, coupled to Kato generator, 600 vac, 1750 kva each, AC-VFD and Woodward generator control drilling system

1 – Caterpillar C15, emergency backup generator

Highline Power: Electrical gear capable of receiving 600 volt power

Mud System

Mud Pumps

2 – RigMaster six-plex pumps, powered by 1,500 hp Amerimex AC Motor. Complete with 5-1/2″ liners and pistons rated at 5,000 psi standpipe pressure.

Mud Pits: Main pits: 840 bbl

Pill Pit: 60 bbl

Trip Tank: 47 bbl

Shakers: 2 – Mongoose Pro shakers

Degasser

1 – MI Swaco CD-1400 Centrifugal Degasser

1 – Mud Gas Separator – MI Swaco Offshore Model

Mix Hopper: 1 – Alfa-Laval Shear Mixer

BOP & Spools

Hydril 13-5/8″ – 5M Compact GK annular preventer, flanged bottom and studded top, 5000 psi rating

1 NOV-Shaffer 13-5/8″ – 5M LXT Double Ram 10 MNLK with 10/10 MNLK shear booster, studded top and bottom, 5000 psi rating

1 NOV-Shaffer 13-5/8″ – 5M LXT Single Ram 10 MNLK studded top and bottom, 5000 psi rating

NOV Shaffer variable bore rams, 4-1/2″ -7″ and 2-7/8″ – 5″

NOV Shaffer 13-5M LFS blind shear rams

1 – 13-5/8″ 5M X 3-1/8″ 5M mud cross, 5000 psi rating

1 – Choke and Kill Line

BOP Closing Unit

Accumulator: CTI 270-gallon, 8 station, built in compliance with API STD 16-D, 18 each 15-gallon pre-charge bottles, 3,000 psi WP

1 – 3″, 5,000 psi w/ electric choke control and actuator panel, w/ annular and drill pipe pressure sensing

BOP Test Pump

1 – CTI 6,000 psi rated

Auxiliary Equipment

Air Units

1 – 30 HP air compressor

1 – 30 HP portable air compressor

Heating Units

2 – 100HP boilers

1 – 4.5M BTU Air Heater

10 – heat exchangers

1  – glycol heat recovery system

Completely winterized for arctic operations

Water Tanks: 200 barrel water capacity

Fuel Tanks

1 – 9,800 gallon fuel capacity, double-walled tank

1 – 6,700 gallon auxiliary fuel tank, double-walled tank

1 – 610 gallon diesel fuel storage tank for C-15 emergency engine, double-walled tank