The OHM Express, Offshore Hydrocarbon Mapping’s new flagship for its Controlled Source Electromagnetic Imaging (CSEM) data acquisition surveys, is heading off Norway to start work. The OHM Express has been extensively upgraded and modified in yards in Poland and Sweden to adapt it specifically for deployment on CSEM surveys. The 3,200 dwt vessel is 361ft (110m) long and has hold capacity to store large amounts of equipment as well as provide comfortable indoor workshop facilities.