Three Men Analyzing the Shoreline

Marine Cable Route

Williamson & Associates has relationships with vessel operating and other geophysical and survey companies in all areas of the world. We have a continuing relationship with GeoMarine Technologies of Missoula, Montana for interpreting and reporting.

We conduct:

Desktop Studies
Permiting Investigations and Acquisitions
Landing Site Evaluations
Diver and Small Boat Surveys
Offshore Surveys in Depth from 5 to 6000 Meters
Magnetic Surveys to Locate Cables and Pipelines
Burial Assessment Coring
C-BASS and CPT Work
Final Reporting

Woman Steering Boat Off Chikura Japan Coastline

Ship at Sea Launching Survey Recording Equipment

Technologies for Cable Route Surveys Include:

Sidescan Sonar
Multibeam Sonar
Sub-bottom Profiling
Magnetometer Surveys
C-BASS Resistivity
CPT Soil Penetration Testing
Core Sampling
Induced Polarization
DGPS and USBL Positioning
Land Surveying

Mapping Sonar System

Seafloor Survey Configuration Display

Service List:

Search & Recovery
Oil & Gas
Marine Cable Route
Survey Systems
Data Display

Past Operations:

DWACS drill for Indian government National Institute for Ocean Technology. Drill in process of mobilizing for shallow water trials off Chennai.

NOAA Five Year Contract, Year Three. Planning in progress for summer work in Penobscot Bay, Maine.

US Army Corps of Engineers five year contract with Shannon & Wilson. Awaiting task order.

Washington State Department of Transportation multi-year contract with Global Geophysics. Completed task in Raymond in early May; awaiting additional tasking.