National Assessment of Oil and Gas Quarter-Mile Cells - Paleogene System and Cretaceous-Tertiary Coal Beds of the Gulf Coast (Provinces 047, 048 and 049)

Cell maps for each Paleogene oil and gas assessment unit and each Cretaceous-Tertiary coalbed gas assessment unit were created by the USGS to illustrate the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S.  Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data.  No proprietary data are displayed or included in the cell maps.  The data from PI/Dwights PLUS Well Data are current as of 2004.

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Organization: Department of the Interior