Sinopec Corp is one of the largest integrated energy and chemical company.The Scope of its business mainly covers oils and gas exploration and production,extraction, pipeline transmission and marketing, import/export agency of crude oil , Natural gas, Refined oil products, Petrochemicals, Chemicals and other commodities and technologies, Research, Development and Application of technology and information.

WesternGeco, a business segment of Schlumberger, is the world's leading geophysical service company, providing worldwide reservoir imaging, monitoring and development services with the most extensive geophysical survey crews and data processing centers in the industry, as well as the world largest multi-clients data library.Services range from 3d and 4d (time lapse) seismic surveys to multi component and electromagnetic surveys, supply our clients with accurate measurement of subsurface geology.

Based in Al-Khobar, Saudi-Arabia, ARGAS is the first majority Saudi Capital Company of its kind in the Middle East that specialized in providing land, shallow water and marine seismic data acquisition, processing services as well as the other geophysical R&D and serving services for petroleum, water, and other ground resources

The China National Petroleum Corporation is the major national oil and Gas Corporation of China PR and one of the largest integrated energy group in the world