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CPT System
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A.P. van den Berg's DW ROSON 100 is a proven seabed CPT system, deployed from a vessel with an A-frame or crane through a moonpool or over the side. The electrical wheel-drive system pushes the pre-assembled CPT string into the seabed. Wheel friction ... Moreis imposed by hydraulic force. A self-tensioning electric winch with heave compensation feeds the umbilical for power supply and data communication.

Key Features

Proven wheel-drive system with a pushing force of 100kN

Option for second set of wheels to achieve 200kN

Deployable from medium to large vessel

4,000m water depth rating, CPT depth up to 50m

Provided with technology to operate at high water pressures

Suitable for 10cm² Icone + click-on modules + Seabed Sampler XL
The WISON-APB-Classic is capable of performing cone penetration tests (CPTs) and taking soil samples at depths up to 550 m (water depth + drilling depth). It requires a drill string with an inner diameter of at least 101.6 mm (4") and a drill tower clearance ... Moreof 11 m. The WISON-APB 100 version has a pushing capacity of 100kN and is capable to performing tests with a 1m and 3m stroke length. The WISON-APB 100 comes with an electric winch that is self-tensioning for heave compensation. The winch allows the tool to travel at a maximum speed of 2 m/s inside the drill string.

Key Features

Proven wireline CPT system with a pushing force of 100kN

Water depth + drilling depth up to 550m

CPT stroke of 1m or 3m

Suitable for 5cm² and 10cm² Icones (up to 100MPa tip resistance)

Suitable for soil sampling with the Push or Piston Sampler

Remote-controlled and electrical constant tensioning winch, power pack, mast and sheave block

Software for realtime data acquisition and control

Works in conjunction with Dando 9000 rotary drill rig
Geoquip Marine have developed a 200kN Seabed Cone Penetration Testing (CPT) system (GMC200) capable of operating in water depths up to 2,000m providing a push capacity of 200kN (20t). This enables the recovery of in situ soil engineering data to a depth ... Moreof 40m or more below the seabed (depending on soil conditions).

The GMC200 unit has a subsea hydraulic power unit (HPU) which is mounted on the subsea frame and provides power to the chain drive system (CDS) to push/pull the CPT string and clamping force onto the CPT string by means of hydraulic cylinders.

Key Features

200kN (20t) thrust capacity

Depth rating to 2,000m

Chain drive system (CDS)

Penetration to +40m below seabed (depending on soil conditions) 
Geoquip Marine have developed a 200kN Seabed Cone Penetration Testing System (GMC201) capable of operating in water depths up to 800m (which can be extended to 2,000m on demand), providing a push capacity of 200kN (20t). This enables the recovery of ... Morein situ soil engineering data to a depth of 40m or more below the seabed (depending on soil conditions).

The GMC201 Seabed CPT unit has two electrical motors which power the chain drive system (CDS) and the piezoelectric cone (PCPT) into the soil.

Key Features

200kN (20t) thrust capacity

Depth rating to 800m (2,000m optional)

Electrically-driven chain drive system (CDS)

Penetration to +40m below seabed (depending on soil conditions)
Neptune 5000 Seabed CPT System – designed, created and developed by Datem Ltd – is a coiled rod Cone Penetration Test (CPT) system. It features a 35kN push capacity, 20m test penetration, real-time control and data acquisition with in-built automatic ... Moresafety cut-outs. It is situated within a compact frame to allow for easy deployment from smaller survey vessels via an A-Frame or deck crane.

Key Features

5cm2 detachable cone, 10cm2 cone, and T-Bar cone

35kN push capability

Up to 20m penetration

Easily deployed compact subsea frame

Real-time control & display

Single coax connection for power & data

Automatic safety cut-outs

Low maintenance, low consumable use

Easy to operate Windows-based PC control