Nearshore CPT Rigs

Sandpiper C-5 jack-up

• Dimensions: 18.3 x 12.2m
• Leg length: 27.3m total and 22.2m from underside of deck
• 24/7 operations
• Downhole CPT (Wison-APB and Top push rams)
• Dando cable percussion and rotary drill rigs
• Hydraulic deck-mounted crane and jacking unit power pack
• Whisperwatt 3‐phase 25kVa Generator
• Navigation system and VHF radio
• Air conditioned work units for welfare, storage and workshop facilities

Wison-APB wireline deployable CPT system

• 90mm downhole wireline tool utilising hydraulic pressure to provide a 1m or 3m CPT push (20mm/sec) or provide a good quality Shelby sample
• Self-tensioning remote-controlled winch, power pack, mast and sheave block
• Lowered through the drill string and latched into place at the base of the borehole
• Both 5cm² and 10cm² piezocones can be used to produce a maximum 100 mPa of tip resistance
• Works in conjunction with CRS XL Dual Sonic and Rotary drill rig or Dando 9000 rotary drill rig

Top Push CPT rams

• 20 tonne ram capacity
• Fully self-contained
• Dedicated hydraulic power pack, generator and logging system, or can be plumbed into the vessel’s hydraulic system
• Flexible anchorage, including mounting to a static plant, vessel or being beam mounted

Roson 50kN Wheeldrive

• Compact and lightweight design - suitable for deployment from a small vessel
• High-quality and reliable data

Seabed CPT Hyson