1. The National Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China) , Qingdao 266580 , China
2. School of Geosciences, China University of Petroleum (East China) , Qingdao 266580 , China
3. Data Processing Center, Bureau of Geophysical Prospecting INC, China National Petroleum Corporation , Zhuozhou 072750 , China
4. SINOPEC Northwest Company of China Petroleum and Chemical Corporation , Urumqi 830063 , China