Preliminary report on the commercial viability of gas production from natural gas hydrates |
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Authors: | Matthew R Walsh Steve H Hancock Scott J Wilson Shirish L Patil George J Moridis Ray Boswell Timothy S Collett Carolyn A Koh E Dendy Sloan |
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Affiliation: | aDepartment of Chemical Engineering, Colorado School of Mines, 1500 Illinois St, Golden, CO, 80401, USA;bRPS Group, Canada;cRyder Scott Company, USA;dPetroleum Development Laboratory, University of Alaska, Fairbanks, 415 Duckering Building, PO BOX 755880, Fairbanks, AK, 99775, USA;eLawrence Berkeley National Laboratory, 1 Cyclotron Rd., MS 90-1116, Berkeley, CA, 94720, USA;fU.S. Department of Energy – National Energy Technology Laboratory, Morgantown, WV 26507, USA;gUS Geological Survey, Denver Federal Center, MS-939, Denver, CO, 80225, USA |
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Abstract: | Economic studies on simulated gas hydrate reservoirs have been compiled to estimate the price of natural gas that may lead to economically viable production from the most promising gas hydrate accumulations. As a first estimate, $CDN2005 12/Mscf is the lowest gas price that would allow economically viable production from gas hydrates in the absence of associated free gas, while an underlying gas deposit will reduce the viability price estimate to $CDN2005 7.50/Mscf. Results from a recent analysis of the simulated production of natural gas from marine hydrate deposits are also considered in this report; on an IROR basis, it is $US2008 3.50–4.00/Mscf more expensive to produce marine hydrates than conventional marine gas assuming the existence of sufficiently large marine hydrate accumulations. While these prices represent the best available estimates, the economic evaluation of a specific project is highly dependent on the producibility of the target zone, the amount of gas in place, the associated geologic and depositional environment, existing pipeline infrastructure, and local tariffs and taxes. |
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Keywords: | Natural Gas Hydrates Energy Security Reservoir Simulation Hydrate Economics Uncertainty |
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