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Methane migration and storage characteristics of the Pittsburgh, Pocahontas No. 3, and Oklahoma Hartshorne coalbeds

Technical Report ·
OSTI ID:5388373
Methane flows and pressures were measured in mines in the Pittsburgh, Hartshorne, and Pocahontas No. 3 coalbeds. From the data, the permeability of each of these coalbeds was computed. It was found to depend strongly on the type of coal and on the amount of water in the coalbed, and it was found to increase with time. All of the coalbeds had a high-permeability zone adjacent to the face or rib, and the Pittsburgh bed exhibited directional anisotropy. Surprisingly, little or no overburden effect was observed.
Research Organization:
Bureau of Mines, Washington, D.C. (USA)
OSTI ID:
5388373
Report Number(s):
BM-RI-7667
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
012000 -- Coal
Lignite
& Peat-- Mining
016000* -- Coal
Lignite
& Peat-- Health & Safety
ALKANES
CARBONACEOUS MATERIALS
COAL
COAL DEPOSITS
CRYOGENIC FLUIDS
DIFFUSION
ENERGY SOURCES
FLUID FLOW
FLUIDS
FOSSIL FUELS
FUELS
GAS FLOW
HYDROCARBONS
METHANE
ORGANIC COMPOUNDS
PERMEABILITY
SORPTIVE PROPERTIES