RI 8066 - Two-Phase Flow In Coalbeds

The National Institute for Occupational Safety and Health (NIOSH)
Fred N. Kissell John C. Edwards
Organization:
The National Institute for Occupational Safety and Health (NIOSH)
Pages:
20
File Size:
622 KB
Publication Date:
Jan 1, 1975

Abstract

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Experimental work by the Bureau of Mines indicates that when a coalbed is degassed by boreholes, the flow of methane may actually increase with time. This phenomenon appears to be the result of a relative-permeability effect; that is, the coalbed permeability to the gas increases sharply with decreasing water saturation. This report reviews the background of experimental evidence indicating a relative-permeability effect, and presents the results of a computer simulation of two-phase flow in coal.
Citation

APA: Fred N. Kissell John C. Edwards  (1975)  RI 8066 - Two-Phase Flow In Coalbeds

MLA: Fred N. Kissell John C. Edwards RI 8066 - Two-Phase Flow In Coalbeds. The National Institute for Occupational Safety and Health (NIOSH), 1975.

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