Oil and gas leases in Galveston County

Galveston County, Texas has 470 oil and gas leases with production on file at the Railroad Commission, all of them in Commission district 03. 236 of them are oil leases and 234 are gas leases. Between them they carry 765 wellbores. Reported volumes run from January 1993 to August 2026 and come to 19.3 million barrels of oil and 319.9 million Mcf of gas. 123 operators file returns here. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.

Key facts about Galveston County

How many oil and gas leases are in Galveston County?
Galveston County has 470 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Galveston County produced?
Leases in Galveston County have reported 19,291,265 barrels of oil (bbl) and 319,863,087 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
Who are the biggest operators in Galveston County?
Hunt, Hassie Exploration Company operates 51 of the 470 producing leases in Galveston County, more than any other operator on record with the Railroad Commission of Texas.
How many operators are active in Galveston County?
123 operators file production returns for leases in Galveston County.
How much are mineral rights in Galveston County worth?
There is no single figure: what a mineral or royalty interest in Galveston County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 470 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.

Operators here

The company that runs the wells and issues the royalty cheque.

Railroad Commission districts

Leases — page 1 of 3

  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 53.7 million reported
  • STATE TRACT 330 — gas, Transtexas Gas Corporation, Galveston County, 23.2 million reported
  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 19.4 million reported
  • STATE OF TEXAS — gas, Tepco, Inc., Galveston County, 9.2 million reported
  • TNCT — gas, Expro Engineering, Inc., Galveston County, 8.9 million reported
  • HALLS BAYOU RANCH "6" — gas, Tepco, Inc., Galveston County, 7.5 million reported
  • TACQUARD — gas, Hilcorp Energy Company, Galveston County, 7.3 million reported
  • HALLS BAYOU RANCH, TR. 4 UNIT — gas, Tepco, Inc., Galveston County, 6.9 million reported
  • BRUCE — gas, Prize Operating Company, Galveston County, 6.8 million reported
  • STATE TRACT 330 GAS UNIT — gas, National Onshore LP, Galveston County, 6.8 million reported
  • BALLARD — gas, Helmerich & Payne, Inc., Galveston County, 6.7 million reported
  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 5.4 million reported
  • STATE OF TEXAS — gas, Tepco, Inc., Galveston County, 4.8 million reported
  • STATE TRACT 352 — gas, Transtexas Gas Corporation, Galveston County, 4.6 million reported
  • STATE TRACT 180 — gas, Rutherford Oil Corporation, Galveston County, 4.4 million reported
  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 3.7 million reported
  • HALLS BAYOU RANCH "A" — gas, Reef Exploration, L.P., Galveston County, 3.7 million reported
  • SAN LEON GAS UNIT — gas, Transtexas Gas Corporation, Galveston County, 3.6 million reported
  • STATE OF TEXAS — gas, Reef Exploration, Inc. (A-1), Galveston County, 3.6 million reported
  • GILLOCK, SOUTH UNIT — gas, MW Petroleum Corporation, Galveston County, 3.3 million reported
  • N. POINT BOLIVAR FRIO STATE UNIT — gas, Vintage Petroleum, Inc., Galveston County, 3.3 million reported
  • EAGLE BAY GAS UNIT — gas, Transtexas Gas Corporation, Galveston County, 3.1 million reported
  • ERNST, SUNNY — gas, Petrocorp Incorporated,A TX.Corp, Galveston County, 3.1 million reported
  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 3.0 million reported
  • HALLS BAYOU RANCH — gas, Tepco Resources, Inc., Galveston County, 3.0 million reported
  • SUNNY ERNST G.U. 1 — gas, El Paso E & P Company, L. P., Galveston County, 2.9 million reported
  • BOBBIE GAS UNIT — gas, Samson Exploration, LLC, Galveston County, 2.8 million reported
  • ST 236/237 UNIT — gas, ST. Mary Land & Exploration Co., Galveston County, 2.8 million reported
  • MARSHALL, RUTH — gas, Wacker Oil Inc., Galveston County, 2.7 million reported
  • JEWELS UNIT A — gas, Kaler Energy Corp., Galveston County, 2.7 million reported
  • DAVIS, JAMES ESTATE — gas, Convest Energy Corporation, Galveston County, 2.6 million reported
  • EAST BAY TRACT 180 A — gas, Rutherford Oil Corporation, Galveston County, 2.5 million reported
  • GALVESTON TOWNSITE UNIT 3 — gas, Mitchell Energy Corporation, Galveston County, 2.4 million reported
  • SUNNY ERNST GU 1 — gas, Coronado Energy E&P Company, LLC, Galveston County, 2.4 million reported
  • TIDWELL — gas, Kaler Energy Corp., Galveston County, 2.4 million reported
  • GORDON — gas, Hunt, Hassie Exploration Company, Galveston County, 2.3 million reported
  • STATE LEASE 70601 — gas, Mitchell Energy Corporation, Galveston County, 2.3 million reported
  • CADE, E. K. — oil, Houston Oil Prod Enterprises,Inc, Galveston County, 2.2 million reported
  • HALLS BAYOU RANCH — gas, Tepco, Inc., Galveston County, 2.1 million reported
  • FEDERAL DELANGE GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 2.0 million reported
  • STATE TRACT 330 — gas, Sandridge Onshore, LLC, Galveston County, 2.0 million reported
  • ARONSFELD GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 1.9 million reported
  • STATE OF TEXAS # 64642 — gas, Mitchell Energy Corporation, Galveston County, 1.9 million reported
  • BOBBIE GAS UNIT — gas, Samson Exploration, LLC, Galveston County, 1.8 million reported
  • HUNT CLUB GAS UNIT — gas, Samson Exploration, LLC, Galveston County, 1.7 million reported
  • CROSS MEDIA — gas, Aspect Resources LLC, Galveston County, 1.7 million reported
  • HALLS BAYOU RANCH — gas, Tepco Resources, Inc., Galveston County, 1.7 million reported
  • FRANKS, C. E. GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 1.7 million reported
  • GORDON — gas, Hunt, Hassie Exploration Company, Galveston County, 1.6 million reported
  • GILBY, M. ET AL G. U. — gas, Hunt, Hassie Exploration Company, Galveston County, 1.5 million reported
  • BRUCE GAS UNIT — gas, Cimarex Energy Co. Of Colorado, Galveston County, 1.5 million reported
  • TACQUARD — gas, Hilcorp Energy Company, Galveston County, 1.5 million reported
  • TIDWELL — gas, Mueller Exploration, Inc., Galveston County, 1.5 million reported
  • HALLS BAYOU RANCH "3" — gas, Tepco, Inc., Galveston County, 1.4 million reported
  • GALVESTON TOWNSITE UNIT 3 — gas, Mitchell Energy Company L.P., Galveston County, 1.3 million reported
  • STEWART, MACO A — gas, KCS Resources, Inc., Galveston County, 1.3 million reported
  • GORDON — gas, Hunt, Hassie Exploration Company, Galveston County, 1.3 million reported
  • VAN DER VAART UNIT — gas, Cross Timbers Operating Company, Galveston County, 1.3 million reported
  • FEDERAL GAYATT — oil, Daniels Corporation, The, Galveston County, 1.3 million reported
  • BOBBIE GAS UNIT — gas, Hilcorp Energy Company, Galveston County, 1.2 million reported
  • FEDERAL BROOKS GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 1.2 million reported
  • GALVESTON TOWNSITE UNIT -3- — gas, Mitchell Energy Corporation, Galveston County, 1.1 million reported
  • TRUST UNIT — oil, Cometra Oil And Gas, Inc., Galveston County, 1.1 million reported
  • HALLS BAYOU RANCH — gas, Tepco, Inc., Galveston County, 1.1 million reported
  • CAMP WALLACE -D- — gas, Hunt, Hassie Exploration Company, Galveston County, 1.1 million reported
  • STEWART, MACO -A- 300 — oil, MW Petroleum Corporation, Galveston County, 1.0 million reported
  • TULLY, L. V. ET AL — gas, Grace Petroleum Corp., Galveston County, 1.0 million reported
  • FRANKS, C. E. GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 1.0 million reported
  • SOUTH GILLOCK UNIT — gas, MW Petroleum Corporation, Galveston County, 967 thousand reported
  • BAYOU DEVELOPMENT B — gas, KCS Resources, Inc., Galveston County, 926 thousand reported
  • GORDON — gas, Hunt, Hassie Exploration Company, Galveston County, 890 thousand reported
  • FRANKS, C. E. GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 889 thousand reported
  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 854 thousand reported
  • STEWART, MACO "A" A/C 1 — gas, Exxon Corp., Galveston County, 822 thousand reported
  • STATE TRACT 345 — gas, ST. Mary Land & Exploration Co., Galveston County, 787 thousand reported
  • DICKINSON GU NO. 1 — gas, Exxon Corp., Galveston County, 784 thousand reported
  • BAYOU DEVELOPMENT B — gas, Exxon Corp., Galveston County, 760 thousand reported
  • STEWART, MACO A — gas, Exxon Corp., Galveston County, 756 thousand reported
  • STATE TRACT 343 — gas, Erskine Energy, LLC, Galveston County, 747 thousand reported
  • STEWART, MACO A — gas, Exxon Corp., Galveston County, 727 thousand reported
  • HALLS BAYOU RANCH — gas, Tepco, Inc., Galveston County, 726 thousand reported
  • CITY OF TEXAS CITY — gas, Aspect Resources LLC, Galveston County, 712 thousand reported
  • FRANKS /8900 SAND/ UNIT — oil, Hunt, Hassie Exploration Company, Galveston County, 706 thousand reported
  • ALEXANDER, THOS. P. ETAL — oil, Daniels Corporation, The, Galveston County, 698 thousand reported
  • GHINAUDO, M. ET AL GU — gas, Hunt, Hassie Exploration Company, Galveston County, 686 thousand reported
  • GORDON — gas, Hunt, Hassie Exploration Company, Galveston County, 684 thousand reported
  • GILBY, M. ET AL G. U. — gas, Hunt, Hassie Exploration Company, Galveston County, 672 thousand reported
  • BLOW FISH GAS UNIT 329 — gas, National Onshore LP, Galveston County, 664 thousand reported
  • MACO-STEWART — gas, KCS Resources, Inc., Galveston County, 663 thousand reported
  • BAYOU DEV CO B — gas, Exxon Corp., Galveston County, 655 thousand reported
  • GULF COAST WATER AUTHORITY — gas, Corum Production Company, Galveston County, 629 thousand reported
  • FRANKS, C. E. GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 619 thousand reported
  • TNCT — gas, Expro Engineering, Inc., Galveston County, 609 thousand reported
  • BAYOU DEVELOPMENT B — gas, Exxon Corp., Galveston County, 569 thousand reported
  • CALLON-HANSON — gas, Callon Petroleum Operating Co, Galveston County, 559 thousand reported
  • STATE TRACT 233 — gas, Prolithic Energy Company, L.P., Galveston County, 534 thousand reported
  • GHINAUDO, M. ET AL GU — gas, Hunt, Hassie Exploration Company, Galveston County, 521 thousand reported
  • GHINAUDO, M. ET AL — gas, Hunt, Hassie Exploration Company, Galveston County, 516 thousand reported
  • KING, CRESTON — gas, Texas Independent Explor., Inc., Galveston County, 500 thousand reported
  • CAMP WALLACE D — gas, Hunt, Hassie Exploration Company, Galveston County, 497 thousand reported
  • MOODY ESTATE TRUSTEE — oil, Seneca Resources Corporation, Galveston County, 492 thousand reported
  • FLAKE, HENRY JR. GAS UNIT — gas, Service Production Company, Inc., Galveston County, 487 thousand reported
  • J. E. CHAPMAN ET AL — gas, Seagull Energy E&P Inc., Galveston County, 471 thousand reported
  • STEWART, MACO A — gas, Exxon Corp., Galveston County, 467 thousand reported
  • TIDWELL — gas, Kaler Energy Corp., Galveston County, 464 thousand reported
  • CHAPMAN, JAMES E. ET AL — gas, Wacker Oil Inc., Galveston County, 453 thousand reported
  • TRUST — oil, Cometra Oil And Gas, Inc., Galveston County, 435 thousand reported
  • WILLIAM RUBEL — gas, Hilcorp Energy Company, Galveston County, 434 thousand reported
  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 422 thousand reported
  • C. E. FRANKS GAS UNIT — oil, Hunt, Hassie Exploration Company, Galveston County, 419 thousand reported
  • GILLOCK, SOUTH UNIT — gas, MW Petroleum Corporation, Galveston County, 415 thousand reported
  • HALLS BAYOU RANCH — gas, Tepco, Inc., Galveston County, 413 thousand reported
  • GHINAUDO, M., ET AL — gas, Hunt, Hassie Exploration Company, Galveston County, 389 thousand reported
  • CADE, E. KER -A- R/A -A- — oil, MW Petroleum Corporation, Galveston County, 377 thousand reported
  • FRANKS, C. E. GAS UNIT 1 — gas, Hunt, Hassie Exploration Company, Galveston County, 370 thousand reported
  • FEDERAL DELANGE GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 362 thousand reported
  • HALLS BAYOU RANCH, TR. 4 UNIT — gas, Tepco, Inc., Galveston County, 362 thousand reported
  • STATE TRACT 343 — gas, Houston Oil & Minerals Corp., Galveston County, 356 thousand reported
  • BAYOU DEV. CO. "B" — gas, Exxon Corp., Galveston County, 345 thousand reported
  • FEDERAL DELANGE GAS UNIT — gas, Hunt, Hassie Exploration Company, Galveston County, 343 thousand reported
  • BAYOU DEVELOPMENT B — gas, KCS Resources, Inc., Galveston County, 333 thousand reported
  • CRESTON KING, ET AL — gas, Sandalwood Exploration, L.P., Galveston County, 329 thousand reported
  • LOBIT, COL. WM. E. ET AL — gas, American Operating Company, Galveston County, 326 thousand reported
  • HOUSTON FARMS — gas, Tepco, Inc., Galveston County, 325 thousand reported
  • CAMP WALLACE — oil, Houston Oil Prod Enterprises,Inc, Galveston County, 324 thousand reported
  • OBRIEN, E., UNIT 6 — oil, Houston Oil Prod Enterprises,Inc, Galveston County, 301 thousand reported
  • BAYOU DEVELOPMENT B — gas, Exxon Corp., Galveston County, 300 thousand reported
  • STEWART, MACO -A- A/C 1 — gas, Exxon Corp., Galveston County, 287 thousand reported
  • CADE, E. KER -A- R/A -C- — oil, MW Petroleum Corporation, Galveston County, 284 thousand reported
  • KING, CRESTON — gas, Texas Independent Explor., Inc., Galveston County, 284 thousand reported
  • KELLY RESOURCES — gas, Texas, Les & Co., Galveston County, 273 thousand reported
  • STATE LEASE 352 — gas, Transtexas Gas Corporation, Galveston County, 270 thousand reported
  • STEWART, MACO — oil, Union Oil Company Of California, Galveston County, 268 thousand reported
  • STEWART, MACO -B- 280 — oil, Smith Energy 1986a Partnership, Galveston County, 263 thousand reported
  • ZINN UNIT — oil, Daniels Corporation, The, Galveston County, 258 thousand reported
  • BAYOU DEVELOPMENT B — gas, KCS Medallion Resources, Inc., Galveston County, 248 thousand reported
  • ALLAR — gas, Davis Petroleum Corp., Galveston County, 247 thousand reported
  • MOODY NATIONAL BANK — oil, Daniels Corporation, The, Galveston County, 239 thousand reported
  • STATE TRACT 343 — gas, Masters Resources, L.L.C., Galveston County, 237 thousand reported
  • BRUCE — oil, Bridge Oil Production Co., Inc., Galveston County, 236 thousand reported
  • MCNEILL "B" — oil, Poynor Corporation, Galveston County, 228 thousand reported
  • EMMA RUEGE OIL UNIT — oil, Cross Timbers Operating Company, Galveston County, 225 thousand reported
  • BLAKE, JOHN ET AL — oil, Hunt, Hassie Exploration Company, Galveston County, 224 thousand reported
  • ORTEGO — gas, Fort Apache Energy, Inc., Galveston County, 223 thousand reported
  • WILLAERT & DURANT — gas, Tema Oil And Gas Company, Galveston County, 223 thousand reported
  • GALVESTON TOWNSITE UNIT 1 — gas, Mitchell Energy Corporation, Galveston County, 220 thousand reported
  • PABST-WILKENS — oil, Daniels Corporation, The, Galveston County, 220 thousand reported
  • SLATAPER - PETERSON — gas, Cross Timbers Operating Company, Galveston County, 215 thousand reported
  • THOS. ALEXANDER UNIT — oil, Daniels Corporation, The, Galveston County, 209 thousand reported
  • BAYOU DEVELOPMENT — gas, Milagro Exploration, LLC, Galveston County, 208 thousand reported
  • BAYOU DEVELOPMENT B — gas, KCS Resources, Inc., Galveston County, 206 thousand reported
  • LEMM, LOWELL ET AL UNIT — gas, Secondary Gas Recovery Inc., Galveston County, 205 thousand reported
  • FLOWERS, W. D. — gas, Cross Timbers Operating Company, Galveston County, 204 thousand reported
  • HUFF "A" — oil, Hilcorp Energy Company, Galveston County, 204 thousand reported
  • FEDERAL DELANGE GAS UNIT — gas, Xto Energy Inc., Galveston County, 202 thousand reported
  • SMITH, GEORGE E. -B- R/A -A- — oil, Erin Oil Company, Galveston County, 201 thousand reported
  • GILBY, M. ET AL. OIL UNIT #1 — gas, Hunt, Hassie Exploration Company, Galveston County, 201 thousand reported
  • BAYOU DEVELOPMENT B — gas, KCS Medallion Resources, Inc., Galveston County, 200 thousand reported
  • CORTESE UNIT — oil, El Tres Exploration, Galveston County, 196 thousand reported
  • O'DANIEL UNIT — gas, Polaris Enterprises Inc, Galveston County, 192 thousand reported
  • GILLOCK, SOUTH UNIT — gas, MW Petroleum Corporation, Galveston County, 190 thousand reported
  • ROBERTS, BILLY J. — gas, Cxy Energy Inc., Galveston County, 189 thousand reported
  • GALVESTON TOWNSITE UNIT 1 — gas, Mitchell Energy Corporation, Galveston County, 188 thousand reported
  • WILLIAMS UNIT — gas, Houston Petroleum Company, Galveston County, 187 thousand reported
  • HOUSTON FARMS — gas, Tepco Resources, Inc., Galveston County, 184 thousand reported
  • THOMPSON TRUSTEE UNIT — gas, Secondary Gas Recovery Inc., Galveston County, 183 thousand reported
  • TIBALDO, LOUIS — oil, Rockbridge Oil And Gas, Inc., Galveston County, 181 thousand reported
  • DICKINSON GU NO. 1 — gas, Exxon Corp., Galveston County, 178 thousand reported
  • STATE - KOHFELDT UNIT — oil, MW Petroleum Corporation, Galveston County, 175 thousand reported
  • HOUSTON FARMS — oil, Tepco, Inc., Galveston County, 170 thousand reported
  • GALVESTON TOWNSITE UNIT 1 — gas, Wagner Oil Company, Galveston County, 169 thousand reported
  • OBRIEN, ERIN, ETAL, UNIT 1 — oil, Houston Oil Prod Enterprises,Inc, Galveston County, 167 thousand reported
  • SMITH, GEORGE E. -A- R/A -A- — oil, Erin Oil Company, Galveston County, 165 thousand reported
  • STATE LEASE 70601 — gas, Mitchell Energy Corporation, Galveston County, 165 thousand reported
  • MOODY UNIT — oil, Seneca Resources Corporation, Galveston County, 158 thousand reported
  • CADE, HENSHAW — oil, Stroud Production LLC, Galveston County, 156 thousand reported
  • STEWART, MACO "A" A/C 1 — gas, KCS Medallion Resources, Inc., Galveston County, 155 thousand reported
  • CADE-ZINN & FORMAN — oil, Samson Lone Star LP, Galveston County, 152 thousand reported
  • STEWART, MACO "A" #9 — gas, Smith Energy 1986a Partnership, Galveston County, 151 thousand reported
  • CADE, E. KER "A" R/A "F" — gas, MW Petroleum Corporation, Galveston County, 144 thousand reported
  • GORDON — oil, Hunt, Hassie Exploration Company, Galveston County, 142 thousand reported
  • MACO-STEWART ETAL G/U — gas, Clay Exploration, Inc., Galveston County, 138 thousand reported
  • STATE OF TEXAS UNIT — gas, Rio Petroleum, Inc., Galveston County, 134 thousand reported
  • STATE TRACT 331 — gas, Transtexas Gas Corporation, Galveston County, 133 thousand reported
  • GHINAUDO, M. ET AL GU — gas, Hunt, Hassie Exploration Company, Galveston County, 132 thousand reported
  • CORTESE UNIT — oil, Hunt, Hassie Exploration Company, Galveston County, 128 thousand reported
  • BAYOU DEVELOPMENT B — gas, KCS Medallion Resources, Inc., Galveston County, 120 thousand reported
  • GULF INTERSTATE FEE "A" — oil, MW Petroleum Corporation, Galveston County, 118 thousand reported
  • ARONSFELD OIL UNIT — oil, Xto Energy Inc., Galveston County, 118 thousand reported
  • DICKINSON GAS UNIT NO. 1 — gas, Exxon Corp., Galveston County, 116 thousand reported
  • STATE TRACT 308 — gas, Transtexas Gas Corporation, Galveston County, 116 thousand reported
  • OUTTERSIDE, A. J. — oil, Petro Vest, Inc., Galveston County, 115 thousand reported
  • CAMP WALLACE D — oil, Xto Energy Inc., Galveston County, 114 thousand reported
  • OTT, C.E. ET AL — oil, Daniels Corporation, The, Galveston County, 113 thousand reported
  • SLATAPER-PETERSON — gas, Tema Oil And Gas Company, Galveston County, 111 thousand reported
  • BRUCE — oil, Bridge Oil Production Co., Inc., Galveston County, 110 thousand reported
  • CRESTON KING — gas, Texas Independent Explor., Inc., Galveston County, 108 thousand reported
  • HENCK "A" — gas, Tristar Exploration, Inc, Galveston County, 107 thousand reported
  • FRANKS, C. E. OIL UNIT # 1 — oil, Hunt, Hassie Exploration Company, Galveston County, 105 thousand reported
  • STEWART, MACO /A/ 390 — oil, Smith Energy 1986a Partnership, Galveston County, 105 thousand reported

Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.