Physicochemical properties of methane storage and transport in Devonian shale. Final report, April 1985-April 1991
The report briefly summarizes the work done on natural gas storage and transport on Eastern Devonian Shale in Appalachia. The laboratory data indicates that gas is not only stored within the mesoporous structure of the reservoir rock, but also adsorbed onto pore surfaces, and perhaps dissolved in oil or bitumen. Transport parameters, including diffusion and permeability coefficients, are obtained from methane and helium degassing curves. These data show that Devonian shale reservoirs must be naturally fractured in order to produce, but that the shale matrix replenishes the gas in the fracture several times during the lifetime of a shale well. A signature of adsorption (or solution) is changes in gas composition during degassing. The possible practical uses of methane, ethane, and propane composition changes during production are explored.
- Research Organization:
- Juniata Coll., Huntingdon, PA (United States)
- OSTI ID:
- 5700945
- Report Number(s):
- PB-94-120359/XAB; CNN: GRI-5085-213-1143
- Country of Publication:
- United States
- Language:
- English
Similar Records
Physicochemical properties of methane storage and transport in Devonian shale. Annual report, June 1991-May 1992
Physicochemical properties of methane storage and transport in Devonian shale. Annual technical report, June 1988-May 1989