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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Geology (GG)
Explain coal bed methane?
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Sajan sarthak
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1.Coal bed methane (CBM) is a form of natural gas which can be recovered from coal deposits or coal seams (a coal deposit is a geographical location containing mineable accumulations of coal while a coal seam is entrapment of coal in underlying rock). 2.The gas is formed during the natural conversion of plant material into coal, known as coalification. When coalification occurs, the coal becomes saturated with water and methane gas is trapped within it. CBM can be recovered from coal deposits and seams through drilling and extraction.
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sir please also tell about porosity and permability of coal reservoir ?
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Rahul kumar![best-answer]()
Coalbed methane is associated with coal deposits, and is found in coal seams. It is a form of natural gas which can be recovered from coal deposits or coal seams. Extraction of CBM: When water is removed from a coal seam, it lowers the reservoir pressure. Methane that was held in place by water pressure tends to follow the water as it is pumped to the surface, where it is captured and transported through pipelines to storage facilities or shipped. This relatively inexpensive and straightforward procedure has made coalbed methane a useful, easily accessible form of energy. Refer to the attached figure for the diagram of Coal bed methane.