Coalbed gas composition (methane), variability, and origin across basin plus plates showing C1/C5 and carbon dioxide content. 28 pages. 2 plates (1:250,000). Digital PDF download. OF-94-02D
From the Report:
The San Juan Basin of northwestern New Mexico and southwestern Colorado is the most prolific coalbed gas basin in the world; production in 1992 exceeded 440 Bcf (12.4 Bm3), resources of approximately 50 Tcf (1.4 Tm3), and proved reserves of over 6 Tcf (170 Bm3). Nearly 80 percent of the 1992 U.S. coalbed gas production (550 Bcf, 15.5 Bm3, total U.S.) came from Upper Cretaceous Fruitland coal beds in the San Juan Basin.
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Western Slope
Scott, Andrew R. “OF-94-02 Coalbed Gas Composition, Upper Cretaceous Fruitland Formation, San Juan Basin, Colorado and New Mexico.” Coalbed Gas Composition. Open File Report. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 1994. https://doi.org/10.58783/cgs.of9402.gvjy7818. CGS Publications. https://coloradogeologicalsurvey.org/publications/coalbed-gas-composition-cretaceous-fruitland-san-juan-basin-colorado-new-mexico/.
