Helms Geomarine currently operates two geotechnical survey vessels, the Dolphin Geo Survey and the Patra Offshore. Both vessels are equipped with a heave compensated drilling system.
Dolphin Geo Survey is a KRS-classed dedicated geotechnical survey vessel equipped with DP2 positioning system that is capable to work in up to 1,500 meters of water depth. This vessel is also equipped with a large centered moonpool to support deepwater drilling operations.
Patra Offshore is a RINA-classed dedicated geotechnical survey vessel equipped with 4-point mooring system that is capable to work in up to 150 meters of water depth. This vessel is also Indonesian-flagged allowing expedited mobilisation within Indonesian waters and South East Asia.
The vessels offers a range of drilling, sampling, coring and insitu testing services via its HG30A and HG30 Drilling Rig respectively and rated to a maximum load of 30 tons fitted with Dando 1000 top drive power swivel.
The system is heave compensated for a stable drilling operation and capable of handling up to 600m of standard 5-inch OD API drill pipes. An AP van den Berg WISON down-hole CPT system is also available to undertake PCPT operation in real-time with a maximum depth capability of 500m below seabed.
The geotechnical vessels are the perfect solution to undertake geotechnical survey drilling operation in support of the following activities:
- Geotechnical investigation for windfarm foundation design and analysis
- Geotechnical survey for offshore hydrocarbon exploration and development
- Geohazard survey for exploration Jackups emplacement
- Shallow gas investigation including very deep pilot holes
- Submarine cable and pipeline route survey
- Marine geological research studies