Figure 1: Geology of Gas Resources

    This image is excerpted from a US GAO report: www.gao.gov/products/GAO-12-156

    Energy-Water Nexus: Information on the Quantity, Quality, and Management of Water Produced during Oil and Gas Production

    Note: “Associated gas” is gas that accumulates in conjunction with oil in a formation. “Non-associated gas” is gas that accumulates separately from oil in a formation.

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