Survey & Positioning

DOF Subsea provides high quality, cost-effective surveys, positioning operations and efficient data reporting.
We acquire high quality seabed and sub-surface data using leading technology, our vessels and survey systems. With a choice of vessel, ROV and AUV mounted equipment, the highest density, quality data - required for detailed modeling and interpretation - is gathered by ROV and AUV surveys.
Our equipment pool enables seabed mapping and sub-surface data to be gathered down to 5,000 MSW. Once gathered we offer a data management service.
DOF Subsea is a specialist in providing positioning control in support of its clients’ field installation projects from near shore shallow fields to ultra-deep offshore developments. Services include the entire range of field positioning, umbilical, riser and flowline (SURF) installations and other subsea infrastructure.

As part of this service, DOF Subsea leads the industry in providing deep water subsea metrology using acoustics and Smart Wire to measure and position spool pieces, jumpers and all subsea structures.
Additionally DOF Subsea provides precision positioning solutions for deep water wellhead installations (AWP) using fully integrated DGPS and acoustic positioning with other sensors to establish wellhead height and attitude.
We provide the following survey and positioning services: 
  • Subsea Positioning
  • Seabed Mapping
  • Data Processing
  • Acoustic Wellhead Positioning
  • C3D & C4D Visualisation
  • Technical Software
  • Ocean Observations Systems