Ion said today that it picked up the last 30% that it didn't own in the Houston and Rio de Janeiro-headquartered ocean bottom seismic (OBS) acquisition firm.
New York-listed Ion had increased its stake in OceanGeo, whose chartered-in seismic survey vessels include Sanco Holding's 80-metre seismic survey vessel Sanco Star (built 2008) and Vestland Offshore's 66-metre Ocean Europe (built 2008), to 70% in January.
"The
