Global Geophysical Services, Inc. (Global), provides an integrated suite of seismic data solutions to the global oil and gas industry, including Global�s RG-3D Reservoir Grade (RG3D) seismic solutions. Its seismic data solutions consists of seismic data acquisition, microseismic monitoring, processing and interpretation services. It creates images of the earth�s subsurface and reveals complex structural and stratigraphic details, which are used primarily by oil and gas companies to identify geologic structures favorable to the accumulation of hydrocarbons, to reduce risk associated with oil and gas exploration. In addition, it owns and markets seismic data library and licenses this data to clients. The Company operates in two segments: Proprietary Services and Multi-client Services. As of December 31, 2012, the Company owned approximately 138,000 recording channels. On January 4, 2012, the Company acquired 100% interest of Sensor Geophysical Ltd.