1. China University of Petroleum, State Key Laboratory of Petroleum Resources and Prospecting, Beijing, China and The University of Texas at Austin, Bureau of Econonic Geology, Austin, Texas, U.S.A..
2. The University of Texas at Austin, Bureau of Economic Geology, Austin, Texas, U.S.A..
3. The University of Texas at Austin, Institute for Geophysics, Austin, Texas, U.S.A..
4. China University of Petroleum, State Key Laboratory of Petroleum Resources and Prospecting, Beijing, China..