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AD20

Rig ArabDrill 20
Type: TDI-130 lift boat
Country: Saudi Arabia
Last reviewed and updated by Jean Pierre Mongeau, on March 11th 2010.
Design TDI-Nass International, TDI-130
Vessel Service date 1997
Specifications Classification ABS Maltese Cross A1 Self-Elevating, Self Propelled Service Vessel, Restricted Area
Registry/Flag Saudi Arabia
Length 150 ft
Width 108 ft
Depth of hull 15 ft
Cantilever reach / transversal skid N/A
Lightship draft 4152 Kips at 6.528 feet
Transit draft- loadline 5775 Kips
Variable load- transit/jacking/operat. 1656 Kips / 1021.6 Kips / 4128 Kips
Crew quarters certified for 38 persons (39 beds / 19×2 + 1×1)
Major upgrade
Rated drilling depth N/A
Operating water depth 130 ft
Thrusters 3 thrusters x 1000HP
Jacking Type jacking system TDI / Electro-Hydraulic Jacking System
Systems Pinions 15 pinions per leg
Pinion rating (each leg)- Pull 1275 kips
Pinion rating (each leg)- Hold 2805 kips
Leg length 237 ft 8 Inches
Sea floor interface (each leg) 22.78kips / sq. ft spudcan
Environmental capability Operating
Wind : 50 Knots
Waves: 25 ft at 8.7 sec.
Current: 1.5 Knots
Survival
Wind : 70 Knots
Waves: 25 ft at 8.7 sec.
Current: 1.5 Knots
Storage Solid control  mud tanks N/A
Capacities Trip tank / Strip tank N/A
Active Mud Tanks N/A
Reserve Mud Tanks 2 x 345.35 bbls
Drill Water 488.6 bbls + 501.43 bbls
Potable Water 488.61bbls + 501.43 bbls
Bulk mud and cement N/A
Sack Material N/A
Fuel 653.1 bbls
Brine N/A
Others Steel tank for Stimulation Fluid, 50 bbls
Rig Mast/Derrick- capacity N/A
Equipment Drawworks N/A
Auxiliary Brake (Elmagco) N/A
Main Power 3 x CAT3512DITA (1509 BHP ea.) driving 3 x KATO Generators rated 600V, 60Hz – 1500kVA
Emergency Power 1 x CAT3412  driving CAT-1SR  generator rated 440V, 60 Hz-400kVA
Power Conversion IDM SCR – 4 SCR Bays
Mud Pumps N/A
Shale Shakers N/A
Mud cleaner N/A
Other solid control eqt N/A
N/A
Mud Mixing equipment N/A
Topdrive N/A
Rotary Table N/A
Crown Block N/A
Travelling Block N/A
Swivel N/A
Deck cranes DRECO 48DGM500 – 49 T, EBI TC30 Hydraulic Telescoping crane – 10 T
Cementing unit N/A
Drill floor instrumentation N/A
Other major drill floor eqpt N/A
Communications GMDSS-complied with Area A1 regulations, Inmarsat mini M
Drilling line N/A
Blowout Annular BOP N/A
Preventer Diverter type N/A
Equipment Ram Preventers N/A
N/A
N/A
BOP Handling Eqpt N/A
Choke Manifold Cameron 3″ 5000/psi(upstream)3000psi(downstream) w/o Bypass
BOP Control System N/A
Logging unit Schlumberger Maxis Unit
Coil tubing unit
Well Services Gravel Packing / Filtration equipment
Equipment Other Integrated services equipment Schlumberger Well Testing Package incl. Separator and
Cement unit 2 x Haliburton HT400 10000psi max pumping pressure(use as Kill Pumps)
Lifeboat 2 x Zenjiang Marine UC 715 99 – 38 men Fully Enclosed Lifeboat
Safety Liferaft 4 x ISSI Crewsaver – 20 men Inflatable Liferaft
Equipment Fire fighting/detection Total Safety, 14 channels with sensors, 17 break glass stations
Gas detection Total Safety, 5 channels with sensors, for H2S + LEL
Others