Code Name Area km2 Eco 1 E1 Area % E1 Oil % E1 Gas % Eco 2 E2 Area % E2 Oil % E2 Gas % Eco 3 E3 Area % E3 Oil % E3 Gas % Eco 4 E4 Area % E4 Oil % E4 Gas % Eco 5 E5 Area % E5 Oil % E5 Gas % Eco 6 E6 Area % E6 Oil % E6 Gas % Eco 7 E7 Area % E7 Oil % E7 Gas % Eco 8 E8 Area % E8 Oil % E8 Gas % Eco 9 E9 Area % E9 Oil % E9 Gas % Eco 10 E10 Area % E10 Oil % E10 Gas % Eco 11 E11 Area % E11 Oil % E11 Gas % Eco 12 E12 Area % E12 Oil % E12 Gas % Eco 13 E13 Area % E13 Oil % E13 Gas % Eco 14 E14 Area % E14 Oil % E14 Gas % 50470101 Tuscaloosa Downdip Gas 22405.20294 "Coastal Plains and Flatwoods, Lower (CPFL)" 7.165596889 "Coastal Plains and Flatwoods, Western Gulf (CPFW)" 29.34950296 "Coastal Plains, Middle (CPMD)" 0.163101555 Louisiana Coast Prairies and Marshes (LCPM) 18.44532738 Mississippi Alluvial Basin (MABA) 24.22930359 50470102 Woodbine Downdip Gas 11173.49171 "Coastal Plains and Flatwoods, Western Gulf (CPFW)" 27.94251833 "Mid Coastal Plains, Western (MCPW)" 50.14985174 Oak Woods and Prairies (OWPR) 21.90762993 50470103 Travis Volcanic Mounds Oil 5839.015497 Blackland Prairies (BLPR) 87.33721191 95 Oak Woods and Prairies (OWPR) 12.66278809 5 50470104 Uvalde Volcanic Mounds Gas and Oil 5320.711325 Edwards Plateau (EDPT) 3.999120509 2 2 Rio Grande Plain (RGPL) 95.85812549 98 98 Stockton Plateau (STPT) 0.142753997 0 0 50470105 Navarro-Taylor Updip Oil and Gas 49506.73124 Blackland Prairies (BLPR) 6.830904957 5 3 "Coastal Plains and Flatwoods, Western Gulf (CPFW)" 1.062715101 0 1 Edwards Plateau (EDPT) 0.897464707 2 0 "Mid Coastal Plains, Western (MCPW)" 13.38117667 10 15 Oak Woods and Prairies (OWPR) 39.19256523 35 35 Rio Grande Plain (RGPL) 36.0140683 45 45 Stockton Plateau (STPT) 2.621105045 3 1 50470106 Navarro-Taylor Downdip Gas and Oil 18669.08182 Rio Grande Plain (RGPL) 100 100 100 50470107 Navarro-Taylor Slope-Basin Gas 36509.00623 Central Gulf Prairies and Marshes (CGPM) 13.45677932 5 "Coastal Plains and Flatwoods, Western Gulf (CPFW)" 8.587569697 14 "Mid Coastal Plains, Western (MCPW)" 19.94573625 26 Oak Woods and Prairies (OWPR) 25.80722496 15 Rio Grande Plain (RGPL) 32.20268977 40 50470108 Cotton Valley Blanket Sandstone Gas 8123.500048 "Coastal Plains and Flatwoods, Western Gulf (CPFW)" 3.033271615 3.033271615 "Mid Coastal Plains, Western (MCPW)" 86.64658605 86.64658605 Mississippi Alluvial Basin (MABA) 10.32014234 10.32014234 50470109 Cotton Valley Massive Sandstone Gas 113314.1712 Blackland Prairies (BLPR) 1.755758591 1.755758591 "Coastal Plains and Flatwoods, Lower (CPFL)" 13.18611709 13.18611709 "Coastal Plains and Flatwoods, Western Gulf (CPFW)" 12.13412001 12.13412001 "Coastal Plains, Middle (CPMD)" 8.449697731 8.449697731 Louisiana Coast Prairies and Marshes (LCPM) 1.060200506 1.060200506 "Mid Coastal Plains, Western (MCPW)" 34.03509984 34.03509984 Mississippi Alluvial Basin (MABA) 12.61418926 12.61418926 Oak Woods and Prairies (OWPR) 13.38158646 13.38158646 50470110 Cotton Valley Updip Oil and Gas 82828.44423 Blackland Prairies (BLPR) 4.360905994 4.360905994 4.360905994 "Coastal Plains and Flatwoods, Lower (CPFL)" 31.58562368 31.58562368 31.58562368 "Coastal Plains, Middle (CPMD)" 21.97846259 21.97846259 21.97846259 "Florida Coastal Lowlands, Western (FCLW)" 2.707830987 2.707830987 2.707830987 "Mid Coastal Plains, Western (MCPW)" 17.89710771 17.89710771 17.89710771 Mississippi Alluvial Basin (MABA) 8.943304065 8.943304065 8.943304065 Oak Woods and Prairies (OWPR) 8.922799039 8.922799039 8.922799039 50470111 Cotton Valley Hypothetical Updip Oil 88886.04606 Blackland Prairies (BLPR) 12.30005498 12.30005498 "Coastal Plains and Flatwoods, Lower (CPFL)" 18.60547887 18.60547887 "Coastal Plains, Middle (CPMD)" 24.52204612 24.52204612 Cross Timbers and Prairie (CRTP) 0.523586676 0.523586676 "Florida Coastal Lowlands, Western (FCLW)" 10.04466836 10.04466836 "Mid Coastal Plains, Western (MCPW)" 12.30518784 12.30518784 Mississippi Alluvial Basin (MABA) 11.66255432 11.66255432 Oak Woods and Prairies (OWPR) 3.655076074 3.655076074 50470112 Travis Peak-Hosston Gas and Oil 171677.5722 Blackland Prairies (BLPR) 0.966479657 0.966479657 0.966479657 "Coastal Plains and Flatwoods, Lower (CPFL)" 14.83432114 14.83432114 14.83432114 "Coastal Plains and Flatwoods, Western Gulf (CPFW)" 13.88856901 13.88856901 13.88856901 "Coastal Plains, Middle (CPMD)" 9.684169127 9.684169127 9.684169127 Louisiana Coast Prairies and Marshes (LCPM) 1.526614167 1.526614167 1.526614167 "Mid Coastal Plains, Western (MCPW)" 29.92180738 29.92180738 29.92180738 Mississippi Alluvial Basin (MABA) 15.03701745 15.03701745 15.03701745 Oak Woods and Prairies (OWPR) 11.93838775 11.93838775 11.93838775 50470113 Travis Peak-Hosston Updip Oil 80575.71736 "Coastal Plains and Flatwoods, Lower (CPFL)" 34.35550379 34.35550379 34.35550379 "Coastal Plains, Middle (CPMD)" 19.24661457 19.24661457 19.24661457 "Florida Coastal Lowlands, Western (FCLW)" 9.88568421 9.88568421 9.88568421 "Mid Coastal Plains, Western (MCPW)" 15.90649405 15.90649405 15.90649405 Mississippi Alluvial Basin (MABA) 11.98512266 11.98512266 11.98512266 50470114 Travis Peak-Hosston Hypothetical Oil 100745.602 Blackland Prairies (BLPR) 16.83859629 16.83859629 "Coastal Plains and Flatwoods, Lower (CPFL)" 3.78249477 3.78249477 "Coastal Plains, Middle (CPMD)" 31.95565157 31.95565157 Cross Timbers and Prairie (CRTP) 2.821508697 2.821508697 "Mid Coastal Plains, Western (MCPW)" 18.61411129 18.61411129 Mississippi Alluvial Basin (MABA) 14.43777733 14.43777733 Oak Woods and Prairies (OWPR) 9.466425848 9.466425848 Ouachita Mountains (OUMT) 2.083434207 2.083434207 50470115 Hosston Hypothetical Slope-Basin Gas