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

Technical Report · Tue Aug 01 04:00:00 EDT 1972

OSTI ID:7303565

Kissell, F N

Methane flows and pressures were measured in mines in the Pittsburgh, Hartshorne, and Pocahontas No. 3 coalbeds. The permeability of each of these coalbeds was computed. It was found to be dependent strongly on the type of coal and on the amount of water in the coalbed, and it also 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. (Author) (GRA)

• Research Organization: Bureau of Mines, Washington, DC (USA)
• OSTI ID: 7303565
• Report Number(s): PB-211967; BM-RI-7649
• Country of Publication: United States
• Language: English

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