China started its offshore oil industry in 1950s and has initially set up a complete offshore oil industry system through Sino-foreign cooperation and independent innovation. “Hai Yang Shi You 720”displayed on the stamp is Asia’s first-generation geophysical vessel for three-dimensional deepwater seismic survey, independently designed and built by China. With a length of 107.4 meters, a molded breadth of 24 meters, and a molded depth of 9.6 meters, the vessel is capable of towing twelve 8,000-meter streamers and double seismic detectors with 8 air-gun arrays, providing an average 3D acquisition area of 60 square kilometers per day. The vessel was put into use at South China Sea in May 2011, marking China’s successful access to the most advanced field of deep sea oil exploration equipment in the world.
China National Philatelic Corporation will issue three FDCs and a commemorative cancellation respectively.