Oriental geophysical prospecting is better than oil field. Oriental Geophysical Research Institute, a wholly-owned subsidiary of China Petroleum and Natural Gas Group Corporation, is a comprehensive international technical service company focusing on geophysical exploration of oil and gas resources, integrating onshore and offshore oil and gas exploration, data processing and interpretation, comprehensive geophysical and geochemical exploration, information technology services, geophysical exploration equipment, software R&D and manufacturing, multi-user exploration, foreign training and property services. Its treatment level, prospect and geographical location are better than those of oil fields.