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Ficrure 2- <br />C0,11 Cleat Orientation <br />Coalbed methane is natural gas <br />generated during coalification, then <br />absorbed and stored within the coal on <br />the internal cleat surfaces. <br />The methane is held in <br />place within the coal by the <br />surrounding hydraulic <br />pressure in the aquifer. <br />Figure -4 <br />Methane Migration Pathways <br />i°i t ? he coal`.