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Previous HitGASNext Hit HYDRATE RESOURCE AND REGIONAL DEVELOPMENT POTENTIAL, ALASKA NORTH SLOPE

HUNTER, Robert, ASRC Energy Services, AK 995, [email protected], WILSON, Scott James, 995, and DIGERT, Scott A., N/, N/, 995

Methane Previous HithydratesNext Hit may contain significant offshore and arctic regions Previous HitgasNext Hit resources. Reservoir and development modeling indicate 0 12 TCF technically recoverable Previous HitgasNext Hit from 33 TCF in place Eileen trend Previous HitgasNext Hit hydrate beneath industry infrastructure. Potential production methods involve depressurization, thermal, or chemical stimulation of pore filling Previous HitgasNext Hit hydrate into Previous HitgasNext Hit and water components. Rate forecasts and well schedules, methods typically employed in conventional large Previous HitgasNext Hit development projects, help quantify: 1. potential Previous HitgasNext Hit hydrate recoverable resource using conventional petroleum technologies and 2. range of potential outcomes that could be narrowed by use of specific recommended data acquisition and field testing. This systematic appraisal plan helps determine whether or not Previous HitgasNext Hit hydrate can become a technically and economically recoverable unconventional Previous HitgasNext Hit resource. Reference case forecasts with type well depressurization induced production rates of 0.4 2.0 MMSCF/D predict that 2.5 TCF of Previous HitgasNext Hit might be produced in 20 years, with 10 TCF ultimate recovery after 100 years. Downside cases envision pilot failure and economic or technical infeasibility. Upside cases identify potential if both pressure induced dissociation and thermal or chemical stimulation yield positive results; extreme upside cases capture full development potential with highly productive, widely spaced wells. Successful Previous HitgasNext Hit production from Previous HitgasNext Hit hydrate would yield both methane and fresh water for potential use in existing or planned developments. The Previous HitgasNext Hit could potentially supplement future export Previous HitgasNext Hit, provide nearer term fuel Previous HitgasNext Hit to reduce consumption of richer conventional sales Previous HitgasNext Hit, provide lean Previous HitgasNext Hit for reservoir energy, and provide fuel for potential viscous oil thermal recovery. The fresh water could potentially be used for low salinity water floods and/or in association with produced Previous HitgasNext Hit for steam. The Previous HitgasNext Hit hydrate bearing reservoirs may also provide a viable CO2 sequestration option during future Previous HitgasTop sales and associated production of CO2.