CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-136924 and No. 333-163114 on Form S-8 and Registration Statement No. 333-163193 on Form S-3 of our report dated April 6, 2011, relating to the consolidated financial statements of GeoMet, Inc. and subsidiaries (which report expresses an unqualified opinion and includes an explanatory paragraph relating to a change in 2009 of the accounting for natural gas reserves), appearing in this Annual Report on Form 10-K of GeoMet, Inc. for the year ended December 31, 2010.
/s/ DELOITTE & TOUCHE LLP
April 6, 2011