Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008), Vancouver, British Columbia, CANADA, July 6-10, 2008. AN INTERNATIONAL EFFORT TO COMPARE GAS HYDRATE RESERVOIR SIMULATORS Joseph W. Wilder1 , George J. Moridis2 , Scott J. Wilson3 , Masanori Kurihara4 , Mark D. White5 , Yoshihiro Masuda6 , Brian J. Anderson7, 8*, Timothy S. Collett9 , Robert B. Hunter10, Hideo Narita11, Mehran Pooladi-Darvish12, Kelly Rose7 , Ray Boswell7 1 Department of Theoretical & Applied Math University of Akron 302 Buchtel Common Akron, OH 44325-4002 USA 2 Lawrence Berkeley National Laboratory, University of California Earth Sciences Division, 1 Cyclotron Rd., MS 90-1116 Berkeley, CA 94720 USA 3 Ryder Scott Company, Petroleum Consultants 621 17th Street, Suite 1550 Denver, Colorado 80293 USA 4 Japan Oil Engineering Company, Ltd. Kachidoki Sun-Square 1-7-3, Kachidoki, Chuo-ku, Tokyo 104-0054, Japan 5 Pacific Northwest National Laboratory Hydrology Group PO Box 999 Richland, WA 99352 USA 6 Department of Geosystem Engineering University of Tokyo Japan 7 National Energy Technology Laboratory 3610 Collins Ferry Road , Morgantown, WV 26507 USA 8 West Virginia University Department of Chemical Engineering Morgantown, WV 26506-6102 USA 9 US Geological Survey Denver Federal Center, MS-939 Box 25046 Denver, CO 80225 USA 10 ASRC Energy Services 3900 C Street, Suite 702, Anchorage, AK 99503 USA 11National Institute of Advanced Industrial Science and Technology Methane Hydrate Research Laboratory 2-17-2-1, Tsukisamu-Higashi Toyohiraku, Sapporo, Hokkaido 062-8517 Japan 12Fekete Associates Inc. Suite 2000, 540-5th Avenue S.W. Calgary, Alberta T2P 0M2 Canada