1. Chengdu University of Technology (CDUT), Geophysical Institute, Laboratory of Oil and Gas Reservoir Geology and Exploitation (CDUT), Chengdu, China, China University of Petroleum, State Key Laboratory of Petroleum Resources and Prospecting, Beijing, China, China University of Petroleum, CNPC Key Laboratory of Geophysical Prospecting, Beijing, China, and University of Alberta, Department of Physics, Edmonton AB T6G 2E1, Canada..
2. China University of Petroleum, CNPC Key Laboratory of Geophysical Prospecting Beijing, China and China University of Petroleum, State Key Laboratory of Petroleum Resources and Prospecting, Beijing, China..
3. University of Alberta, Department of Physics, Edmonton AB T6G 2E1, Canada..
4. Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA..