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advanced technology American Gas Association analysis Appalachian Basin areas assumed assumptions coal seams Coalbed Methane conventional gas Cotton Valley curve Devonian shale gas drilling duction economically recoverable Energy esti exploration exploratory extrapolated factors FERC field discoveries frac gas content gas prices gas production gas recovery gas resource base gas supply gas-bearing hydraulic fracturing Ienticular increase levels Lewin & Associates logs Lower 48 mates methane National Petroleum Council net pay nomic Northern Great Plains NPC estimates NPC’s Office of Technology optimistic OTA’s percent permeability pipeline pool discoveries porosity Potential Gas pressure production rates projected proppant proved reserves range recoverable gas recoverable resource reserve additions reservoir rock resource estimates Table TCF/yr technically recoverable techniques Technology Assessment thickness tight formations tight gas resource tight sands tion traps trends U.S. Geological Survey uncertainty unconventional undiscovered USGS wellbore
Página 242 - The property or capacity of a porous rock, sediment, or soil for transmitting a fluid without impairment of the structure of the medium; it is a measure of the relative ease of fluid flow under unequal pressure.
Página 242 - Formation means a body of rock characterized by a degree of lithologic homogeneity which is prevailingly, but not necessarily, tabular and is mappable on the earth's surface or traceable in the subsurface. Formation fluid means "fluid" present in a "formation" under natural conditions as opposed to introduced fluids, such as drilling mud.
Página 40 - Potential Gas Agency. Potential Supply of Natural Gas in the United States ( As of December 31, 1972) Colorado School of Mines Foundation, Golden, Colorado, 1973, 48 pp.
Página 48 - The estimates of undiscovered recoverable resources take into account relevant past history and experience and are based on assumptions that undiscovered recoverable resources will be found in the future under conditions represented by a continuation of price-cost relationships and technological trends generally prevailing in the recent years prior to 1974.
Página 191 - Resource and exploration assessment of the oil and gas potential in the Devonian gas shales of the Appalachian Basin...
Página 33 - The tables include geologic province codes so that each sample source can be located within a specific geologic province as defined by the Committee on Statistics of Drilling of the American Association of Petroleum Geologists.^.
Página 243 - A petroleum province is a region in which a number of oil and gas pools and fields occur in a smaller or related geological environment.