OHM Company Profile

Offshore Hydrocarbon Mapping (OHM) is the world’s leading provider of Controlled Source Electromagnetic Imaging (CSEMI) services, including surveying, data processing, and data interpretation services to the offshore oil industry. CSEMI has been used for over 20 years by researchers to examine hydrothermal and volcanic systems on mid-ocean ridges. OHM has assembled a team of leading scientists in this field to further refine and develop the CSEMI technique and transform it into a potent tool for optimizing hydrocarbon exploration and production.

With offices in Aberdeen, Scotland and Houston, Texas, we serve clients from around the globe in offshore locations ranging from shallow to ultra deep water. OHM’s full service CSEMI offering spans a broad range disciplines, including:

  • Feasibility studies
  • Survey design and planning
  • Data acquisition
  • Data processing
  • Data analysis and interpretation
  • Training
  • Research and Development
  • Advanced technology application

Originally formed in 2002 as a spinout from the UK’s prestigious National Oceanography Centre with venture capital funding, the company has completed in excess of 50 CSEMI surveys spanning four continents as well as numerous reprocessing and interpretation projects using data collected by third parties. Recent developments include the addition of a second acquisition crew as well as breakthrough developments in shallow water data acquisition and in the imaging (Diffusive E-Field Focusing), inversion (3D CSEM and 2.5D joint CSEM/MT inversion), and interpretation of CSEM data.