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Jiyang Depression,located in northern Shandong Province,is part of the Bohai Bay Basin of Sino-Korean platform,with the exploration acreage being 35,696 square kilometers.It consists of Dongying,Zhanhua,Chezhen,and Huimin sags and the beach area,73 oil and gas fields have been discovered here.After drilling the first commercial oil flow in Hua-8 well in 1961,exploration in Jiyang Depression has been carried out for 49 years yet.By the end of 2008,3D seismic exploration had been carried out in 50.4% of the Depression,there were 0.22 exploratory well and and 0.07 wildcat per square kilometer separately.
Jiyang Depression, located in northern Shandong Province, is part of the Bohai Bay Basin of Sino-Korean platform, with the exploration acreage being 35,696 square kilometers. It consists of Dongying, Zhanhua, Chezhen, and Huimin sags and the beach area, 73 oil and gas fields have been discovered here. After drilling the first commercial oil flow in Hua-8 well in 1961, exploration in Jiyang Depression has been carried out for 49 years yet. By the end of 2008,3D seismic exploration had been carried out in 50.4% of the Depression, there were 0.22 exploratory well and and 0.07 wildcat per square kilometer separately.