ION Geophysical Corporation (NYSE:IO) announced that its seismic imaging subsidiary, GX Technology (GXT), has signed an agreement with The Polarcus Group of Companies (Polarcus) for the provision of seismic data processing services. This agreement includes onboard quality control (QC), onboard processing, and land-based data processing (DP) services. The agreement calls for GXT to provide hardware, software and geophysicists in order to support a seismic project's entire imaging lifecycle, from the vessel to an onshore data processing center. Nick Bernitsas, Senior Vice President of ION's GXT Imaging Solutions division, commented, "Many…