GC Rieber Shipping ASA’s 17% owned geoservices company Shearwater GeoServices Holding AS (“Shearwater”) has commenced the second and significantly larger phase of ION Geophysical’s (ION) 11,000 sqkm UK Mid North Sea High 3D seismic survey program using the Oceanic Vega. The Mid North Sea High’s proximity to shore and existing energy infrastructure supports lower development …