OFFSHORE GEOTECHNICAL VESSELS
- Dedicated Geotechnical Vessel: MV AG Geodrill:
- Navigation System: GPS (primary, secondary, tertiary), Gyrocompas, Echosounder.
- 4 point Mooring System to stabilize vessel position
- 4 Spud Legs available: to avoid anchoring work in tidal affected area
- TH25M heave compensated drill rig.
- Drill derrick built over a moonpool
- Heave compensated drill string assembly
- Seabed Frame (SBF) (provided with a pipe clamp), handled with tensioned lifting wires
- Accommodations for max. 38 person
- Medical Clinic room
- Onboard Soil Laboratory including Storage
- Safety Equipment
th25 m drll RIG specification and capability
SPECIFICATION:
- Primary Power Pack: 500 KW Electrical HPU
- Passive Heave Compensator: HP air over water based oil inline system with 3 m stroke, mechanical lock for safe tripping and handling pipe
- Power Swivel: Eurodrill CH3200 with p=280 bar, max. torque 15100 Nm, 900 RPM, hollow ID (bore) 135 mm.
- Man riding Rooster Box style working Platform to facilitate deployment of wireline tools through the power swivel
- Derrick: Total height 18 m with SWL 25 ton.
- Drilling Pipe: 450m – 5.5” with 6m length API Pipe and 7” dia. Colar Pipe.
- Seabed Frame: 11 ton with 6” guide tube equipped with hydraulic clamp
- Hydraulic Winch: Draw Work: 1 ton; Wireline Winch: 6 ton; SBF: 15 ton.
- MK TEE 165 Pumps Petrodrill (mud pump), capacity 522.4 ltr/min (138gpm) @ 120.1 bar (1742 psi),
- Mud Tanks with two compartments storage tank bentonites / guar gum seawater miscible
GEOTECHNICAL SAMPLING; CORING & INSITU TESTING:
- Downhole configuration (Sampling and In-situ /PCPT)
- Sampling using wireline WIP Piston, Push, Hammer samplers with its BHA
- Rock coring using wireline triple core barrel HQ3.
- Downhole wireline AP Van Den Berg Wison CPT System with 5 ton (3m stroke) or 10 ton (1m stroke) capacity tests,
- Suspension P-S Velocity Logging using PS Logger Probe.
