Oil and gas leases in Duval County — page 4

Duval County, Texas has 2,231 oil and gas leases with production on file at the Railroad Commission. 734 of them are oil leases and 1,497 are gas leases. Between them they carry 4,151 wellbores. Reported volumes run from January 1993 to August 2026 and come to 37.5 million barrels of oil and 1.3 billion Mcf of gas. 401 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 Duval County

How many oil and gas leases are in Duval County?
Duval County has 2,231 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Duval County produced?
Leases in Duval County have reported 37,484,974 barrels of oil (bbl) and 1,316,010,428 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Duval County?
401 operators file production returns for leases in Duval County.
How much are mineral rights in Duval County worth?
There is no single figure: what a mineral or royalty interest in Duval County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 2,231 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.

Leases — page 4 of 12

  • WELDER — gas, Brown, H. L., JR., Duval County, 327 thousand reported
  • PLANT SITE — gas, Trinity Gas Corporation, Duval County, 326 thousand reported
  • DRISCOLL FOUNDATION — gas, Williams, Clayton Energy, Inc., Duval County, 326 thousand reported
  • HAGIST GAS UNIT 1 — gas, Devon Louisiana Corporation, Duval County, 324 thousand reported
  • PLANT SITE — gas, Trinity Gas Corporation, Duval County, 322 thousand reported
  • PARR, THELMA D. — gas, Dugger, Glenn, Duval County, 322 thousand reported
  • GRUY ESTATE — gas, Lobo Resources, Ltd., Duval County, 320 thousand reported
  • BISHOP CATTLE COMPANY -B- — oil, Chaparosa Production Company,Inc, Duval County, 319 thousand reported
  • PARR, HILDA — gas, Voyager Gas Corporation, Duval County, 318 thousand reported
  • HAGIST RANCH "F" — gas, Gillring Oil Company, Duval County, 317 thousand reported
  • DUVAL COUNTY RANCH CO. -K- — gas, Exxon Corp., Duval County, 315 thousand reported
  • HAGIST RANCH — gas, Ultra Oil & Gas, Inc., Duval County, 315 thousand reported
  • KILLAM FREER RANCH "196" — gas, Killam Oil Co., Ltd., Duval County, 313 thousand reported
  • HAHL, C. W. — gas, Hurd Enterprises, Ltd., Duval County, 312 thousand reported
  • KILLAM FREER RANCH "196" — gas, Killam Oil Co., Ltd., Duval County, 311 thousand reported
  • PETERS A 2021 — gas, Sanchez Oil & Gas Corporation, Duval County, 310 thousand reported
  • PENA-VALDEZ GAS UNIT NO. 1 — gas, Lobo Resources, Ltd., Duval County, 310 thousand reported
  • PARR, HILDA — gas, Saba Energy Of Texas, Inc., Duval County, 310 thousand reported
  • MARSHALL, S. JR. STATE A-2123 — gas, Carrizo Oil & Gas, Inc., Duval County, 309 thousand reported
  • FITZSIMMONS — gas, Hada, J. L., JR., Duval County, 309 thousand reported
  • HAGIST RANCH A — gas, Devon Energy Production Co, L.P., Duval County, 309 thousand reported
  • FROST NATIONAL BANK — gas, Shell Western E&P Inc., Duval County, 308 thousand reported
  • HAHL, C. W., ETAL — oil, Pyramid Energy, Inc., Duval County, 307 thousand reported
  • PETERS A 1721 — gas, Sanchez Oil & Gas Corporation, Duval County, 307 thousand reported
  • OLVERA GAS UNIT — gas, Proton Energy, L.L.C., Duval County, 307 thousand reported
  • DCR-STATE 366/76/64/54 D — gas, Tri-C Resources, Inc., Duval County, 306 thousand reported
  • TEXACO DCR (MF) 59 — gas, Killam Oil Co., Ltd., Duval County, 302 thousand reported
  • PARR-LAWRENCE GU — gas, Magnum Producing, LP, Duval County, 302 thousand reported
  • CUELLAR, VERONICA B. — gas, Hamilton, J. R., Duval County, 302 thousand reported
  • PETERS A-717 — gas, Sanchez Oil & Gas Corporation, Duval County, 300 thousand reported
  • HERBST-TOREL — gas, Xto Energy Inc., Duval County, 299 thousand reported
  • ATCHISON ESTATE — gas, Eog Resources, Inc., Duval County, 296 thousand reported
  • ALTA-ELLIS — gas, Tepee Petroleum Co., Inc., Duval County, 294 thousand reported
  • EXXON-LICHTENBERGER FEE — gas, Exxon Corp., Duval County, 294 thousand reported
  • DCRC 76 — gas, Devon Energy Production Co, L.P., Duval County, 294 thousand reported
  • ORTIZ G.U. — gas, Hamilton, J. R., Duval County, 293 thousand reported
  • CASEY, JACK — gas, Trinity Gas Corporation, Duval County, 293 thousand reported
  • MILLER ET AL — gas, Voyager Gas Corporation, Duval County, 292 thousand reported
  • ATCHISON ESTATE — gas, Eog Resources, Inc., Duval County, 292 thousand reported
  • GRUY A — oil, Aurora Resources Corporation, Duval County, 291 thousand reported
  • WIEDERKEHR, L. — oil, Samson Resources Company, Duval County, 290 thousand reported
  • ARCO HUMBLE FEE GAS UNIT — gas, Arco Oil & Gas Co., Duval County, 288 thousand reported
  • BENEVIDES, ROSA V. — gas, Mayfield Engineering Service, Duval County, 288 thousand reported
  • GRUY — gas, Wagner & Brown, Ltd., Duval County, 283 thousand reported
  • GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 282 thousand reported
  • HERBST-TOREL — gas, Xto Energy Inc., Duval County, 281 thousand reported
  • TEXACO DCR (MF) 59 — gas, Killam Oil Co., Ltd., Duval County, 280 thousand reported
  • DRISCOLL, ROBERT — gas, Conoco Inc., Duval County, 279 thousand reported
  • PARR, HILDA — gas, Magnum Producing, LP, Duval County, 279 thousand reported
  • WIEDERKEHR, L. — gas, Samson Resources Company, Duval County, 277 thousand reported
  • CARRL — gas, Mueller Engineering Corp., Duval County, 277 thousand reported
  • MILLER — gas, Edge Petroleum Oper. Co., Inc., Duval County, 277 thousand reported
  • DCR 57A — gas, Sonat Exploration Co. - Houston, Duval County, 277 thousand reported
  • BENAVIDES FIELD UNIT — gas, CCGM Exploration & Prod.,L.C., Duval County, 277 thousand reported
  • GNOME 587 — gas, Killam Oil Co., Ltd., Duval County, 276 thousand reported
  • PETERS A 1721 — gas, Sanchez Oil & Gas Corporation, Duval County, 275 thousand reported
  • KOHLER, V. -A- — oil, Exxon Corp., Duval County, 275 thousand reported
  • HAGIST RANCH "E" — gas, Range Production Company, Duval County, 274 thousand reported
  • GONZALEZ, F. GU — gas, Eog Resources, Inc., Duval County, 273 thousand reported
  • DUVAL COUNTY RANCH CO. -K- — gas, Exxon Corp., Duval County, 273 thousand reported
  • GUERRA, G. ET AL — gas, Phillips Petroleum Company, Duval County, 271 thousand reported
  • DCR-STATE 366/76/64/54D — gas, Sonat Exploration Co. - Houston, Duval County, 270 thousand reported
  • COCKE, WILLIAM C. — oil, Hilcorp Energy Company, Duval County, 268 thousand reported
  • BARTON-SCHUBERT — gas, Bridwell Oil Co., Duval County, 268 thousand reported
  • LOPEZ -A- — oil, Gonzalez, Elia G. Mineral Trust, Duval County, 268 thousand reported
  • ATCHISON ESTATE — gas, Eog Resources, Inc., Duval County, 267 thousand reported
  • DUVAL COUNTY RANCH CO. -K- — oil, Exxon Corp., Duval County, 266 thousand reported
  • DCR-STATE 366/74/64/54 D — gas, Tri-C Resources, Inc., Duval County, 264 thousand reported
  • KILLAM FREER RANCH "196" — gas, Killam Oil Co., Ltd., Duval County, 264 thousand reported
  • KOHLER, V "A" — gas, Manti Operating Company, Duval County, 263 thousand reported
  • SMITH, T.D. — gas, Killam Oil Company, Duval County, 262 thousand reported
  • KOHLER, V. -A- — gas, Sue-Ann Operating, L.C., Duval County, 262 thousand reported
  • CUELLAR — gas, Camden Resources, Inc., Duval County, 259 thousand reported
  • WHITE, P. E. -B- — oil, Exxon Corp., Duval County, 259 thousand reported
  • WIEDERKER, L. — gas, Samson Resources Company, Duval County, 258 thousand reported
  • CUELLAR 123 — gas, Sanchez Oil & Gas Corporation, Duval County, 258 thousand reported
  • MONTEMAYOR "B" — gas, Vintage Petroleum, Inc., Duval County, 258 thousand reported
  • SALINAS — gas, Trinity Gas Corporation, Duval County, 257 thousand reported
  • MARCHBANKS CADENA ET AL — gas, Voyager Gas Corporation, Duval County, 257 thousand reported
  • DCR-STATE 258 — gas, Tri-C Resources, Inc., Duval County, 257 thousand reported
  • GARCIA, F. ET AL — gas, Lobo Resources, Ltd., Duval County, 257 thousand reported
  • EXXON - LICHTENBERGER FEE — gas, Hilcorp Energy Company, Duval County, 255 thousand reported
  • SOUTHLAND LIFE INS. — gas, Mcguffin, Joe JR., Duval County, 254 thousand reported
  • WEATHERBY, L. C. — gas, Shell Western E&P Inc., Duval County, 253 thousand reported
  • D.C.R.C. 196 NCT-12 — gas, Killam Oil Co., Ltd., Duval County, 251 thousand reported
  • KILLAM "257" — oil, Killam Oil Co., Ltd., Duval County, 249 thousand reported
  • GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 248 thousand reported
  • ALTA-FITZSIMMONS UNIT — gas, Tepee Petroleum Co., Inc., Duval County, 247 thousand reported
  • HINOJOSA UNIT — gas, Tidal Petroleum, Inc., Duval County, 246 thousand reported
  • M. RAMIREZ GAS UNIT — gas, Hunter Petroleum Inc., Duval County, 245 thousand reported
  • D. C. R. C. SEC. 102 UNIT 6 O/A — gas, Pearl, Bill H. Productions, Inc., Duval County, 244 thousand reported
  • HAGIST GAS UNIT 3 — gas, Devon Louisiana Corporation, Duval County, 244 thousand reported
  • BLUNK, V. M. — gas, Mcguffin, Joe JR., Duval County, 242 thousand reported
  • WIEDERKEHR 365 — gas, Tempest Energy Resources, LP, Duval County, 241 thousand reported
  • DUVAL COUNTY RANCH CO. — oil, Miller, W. C. Operating Company, Duval County, 239 thousand reported
  • SAENZ, LYDIA GAS UNIT — gas, Hunter Petroleum Inc., Duval County, 237 thousand reported
  • STILES — gas, Hurd Enterprises, Ltd., Duval County, 237 thousand reported
  • WELDER HEIRS 211 — gas, Suemaur Exploration, Inc., Duval County, 236 thousand reported
  • FENNER — oil, Newman Operating Company, Duval County, 233 thousand reported
  • STATE — oil, Cimarron Engineering Corp., Duval County, 232 thousand reported
  • DRISCOLL, ROBERT — gas, Merit Energy Company, Duval County, 232 thousand reported
  • FROST - PETERS — gas, Hughes, Dan A. Company, Duval County, 231 thousand reported
  • DCRC STATE 366/76/64/54 — gas, Devon Louisiana Corporation, Duval County, 231 thousand reported
  • BENNETT, J. M. — oil, Hughes, Dan A. Company, Duval County, 231 thousand reported
  • WORDEN & DROUGHT UNIT — oil, Manley, John D. III, Oper., Inc, Duval County, 231 thousand reported
  • FARMERS LIFE UNIT 1 — gas, Hilcorp Energy Company, Duval County, 230 thousand reported
  • BENAVIDES — gas, Kebo Oil & Gas, Inc., Duval County, 230 thousand reported
  • DCR 82 NCT 25 — gas, Sonat Exploration Co. - Houston, Duval County, 229 thousand reported
  • FOSTER-SMITH 206 — gas, Devon Energy Production Co, L.P., Duval County, 227 thousand reported
  • RAMIREZ, H. — gas, Discorbis Oil Company, Duval County, 227 thousand reported
  • SALINAS — gas, Trinity Gas Corporation, Duval County, 227 thousand reported
  • PETERS A 1721 — gas, Sanchez Oil & Gas Corporation, Duval County, 227 thousand reported
  • KILLAM "49" — gas, Killam Oil Co., Ltd., Duval County, 227 thousand reported
  • CARRL — gas, Mueller Engineering Corp., Duval County, 227 thousand reported
  • LOPEZ MINERAL TRUST — gas, Eog Resources, Inc., Duval County, 227 thousand reported
  • KOHLER, V. "A" — gas, Exxon Corp., Duval County, 225 thousand reported
  • SEVEN SISTERS STATE GAS UNIT 1 — gas, Killam Oil Company, Duval County, 225 thousand reported
  • DRISCOLL,ROBERT — gas, Merit Energy Company, Duval County, 223 thousand reported
  • DCRC MF NCT - 32 — gas, Miller, W. C. Operating Company, Duval County, 220 thousand reported
  • PARR, HILDA — gas, Magnum Producing, LP, Duval County, 219 thousand reported
  • DRISCOLL, CLARA ESTATE — gas, Southwest Gathering Company, Duval County, 217 thousand reported
  • SW. SAN DIEGO UNIT — oil, Bridge Oil Company, L. P., Duval County, 216 thousand reported
  • ROOS, H. — gas, Exxon Corp., Duval County, 216 thousand reported
  • UNION-HAHL, C. W. SEC. 41 — gas, Southwest Royalties, Inc., Duval County, 214 thousand reported
  • WILSON, J. O. — oil, American Exploration Company, Duval County, 212 thousand reported
  • RAMIREZ, M. GAS UNIT — gas, Vintage Petroleum, Inc., Duval County, 211 thousand reported
  • WELDER STATE 212 — gas, Brigham Oil & Gas, L.P., Duval County, 210 thousand reported
  • DUVAL COUNTY RANCH CO. "K" — gas, Exxon Corp., Duval County, 210 thousand reported
  • MOBIL FEE — gas, Cox Exploration, Inc., Duval County, 210 thousand reported
  • DCR 79 — gas, Tri-C Resources, Inc., Duval County, 207 thousand reported
  • KOHLER, V. -A- — oil, Exxon Corp., Duval County, 206 thousand reported
  • DUVON, NELL M. — oil, Lairco Inc., Duval County, 205 thousand reported
  • BAHR, JOHN W. — gas, El Dorado Resources Inc., Duval County, 205 thousand reported
  • KOHLER, V. 'A' — gas, Manti Operating Company, Duval County, 204 thousand reported
  • DCR-STATE 260 F — oil, Killam Oil Co., Ltd., Duval County, 202 thousand reported
  • ANICO — gas, Texas Independent Explor., Inc., Duval County, 201 thousand reported
  • FROST BANK — gas, Reichmann Petroleum Corp., Duval County, 201 thousand reported
  • BELIA BARRERA GAS UNIT — gas, Proton Energy, L.L.C., Duval County, 201 thousand reported
  • KOHLER, V. "A" — gas, Manti Operating Company, Duval County, 200 thousand reported
  • MARSHALL, S. JR. STATE A-2123 — gas, Carrizo Oil & Gas, Inc., Duval County, 200 thousand reported
  • DCRC "196" NCT-12 — gas, Killam Oil Co., Ltd., Duval County, 200 thousand reported
  • F.N.B. — oil, Waters Eng. & Operating, Inc., Duval County, 199 thousand reported
  • MOBIL FEE — gas, Journey Operating, L.L.C., Duval County, 199 thousand reported
  • DCR 262N — gas, Sonat Exploration Co. - Houston, Duval County, 198 thousand reported
  • FLYING ELF 187 — gas, Killam Oil Co., Ltd., Duval County, 198 thousand reported
  • FOSTER, ZELLA HEIRS — gas, Laughlin, W. M. Estate, Duval County, 196 thousand reported
  • KOHLER, V., -A- — oil, Exxon Corp., Duval County, 195 thousand reported
  • CARRL — gas, Finley Resources, Inc., Duval County, 195 thousand reported
  • WERNECKE "B" — gas, Ascent Operating, LP, Duval County, 194 thousand reported
  • ARGO OIL CORP. — gas, Taurus Minerals, Inc., Duval County, 193 thousand reported
  • M. RAMIREZ GAS UNIT — gas, Hunter Petroleum Inc., Duval County, 193 thousand reported
  • DCRC -A- NCT-12 — oil, Morsey Oil & Gas Corp., Duval County, 193 thousand reported
  • DCR 57 — gas, Sonat Exploration Co. - Houston, Duval County, 193 thousand reported
  • SOUTHLAND LIFE INS. CO. — gas, Mcguffin, Joe JR., Duval County, 193 thousand reported
  • HERBST-TOREL — gas, Dreyfus, Louis Natural Gas Corp, Duval County, 191 thousand reported
  • HOOPER, V. M. — gas, Mcguffin, Joe JR., Duval County, 189 thousand reported
  • D.C.R.C. 196 NCT-12 — gas, Killam Oil Co., Ltd., Duval County, 188 thousand reported
  • SALINAS — gas, Trinity Gas Corporation, Duval County, 188 thousand reported
  • MOBIL FEE — gas, Mobil Producing TX. & N.M. Inc., Duval County, 187 thousand reported
  • DCR 81 UNIT — gas, Cliffwood Production Co., Duval County, 187 thousand reported
  • SLING — gas, Sanchez Oil & Gas Corporation, Duval County, 187 thousand reported
  • HINOJOSA, CONSUELO GAS UNIT — gas, BNP Petroleum Corporation, Duval County, 185 thousand reported
  • WEIL "B" — gas, Harvey Brothers Oil & Gas, Duval County, 183 thousand reported
  • DUVAL COUNTY RANCH CO. -E- — oil, Holcomb Company, The, Duval County, 182 thousand reported
  • KILLAM FREER RANCH "196" — oil, Killam Oil Co., Ltd., Duval County, 182 thousand reported
  • D. C. R. C. TRACT C — oil, Schlachter, David A., Duval County, 181 thousand reported
  • MOZELLE SELF DEEP G. U. — gas, Texaco E & P Inc., Duval County, 181 thousand reported
  • DROUGHT 156 — oil, Smith Production Inc., Duval County, 181 thousand reported
  • HINOJOSA "B" — gas, Vintage Petroleum, Inc., Duval County, 181 thousand reported
  • VERA DE CHAPA, FRANCISCO EST. — gas, Energy Development Corp., Duval County, 180 thousand reported
  • BARRERA, HOMER ET AL — gas, Discorbis Oil Company, Duval County, 180 thousand reported
  • AKERS — gas, Vastar Resources, Inc., Duval County, 180 thousand reported
  • HAGIST RANCH 124 — gas, Gillring Oil Company, Duval County, 179 thousand reported
  • SALINAS — gas, Trinity Gas Corporation, Duval County, 179 thousand reported
  • SALINAS — gas, Trinity Gas Corporation, Duval County, 179 thousand reported
  • DRISCOLL, ROBERT — gas, Merit Energy Company, Duval County, 178 thousand reported
  • MOFFETT-THOMPSON — gas, Cactus Petroleum Corporation, Duval County, 177 thousand reported
  • WIEDERKEHR, D. C. — gas, American Shoreline, Inc., Duval County, 177 thousand reported
  • WELDER, JAMES F. HEIRS "D" — gas, Panola Corporation, The, Duval County, 177 thousand reported
  • RUIZ 127 'D' — gas, Killam Oil Co., Ltd., Duval County, 177 thousand reported
  • ALTA-VANCO — gas, Tepee Petroleum Co., Inc., Duval County, 176 thousand reported
  • EXXON-LICHTENBERGER FEE — gas, Hilcorp Energy Company, Duval County, 176 thousand reported
  • D.C.R.C. — gas, Mobil Producing TX. & N.M. Inc., Duval County, 176 thousand reported
  • DCRC MF NCT-64 — oil, Morsey Oil & Gas Corp., Duval County, 176 thousand reported
  • MILLER WEST — gas, Magnum Producing, LP, Duval County, 175 thousand reported
  • LOONEY, C. R. ET AL — gas, Hunter Petroleum Inc., Duval County, 174 thousand reported
  • WELDER STATE 212 — gas, Suemaur Exploration, Inc., Duval County, 174 thousand reported
  • BENAVIDES, ROSA V. — gas, Mayfield Engineering Service, Duval County, 174 thousand reported
  • DCRC 196 NCT-12 — gas, Killam Oil Co., Ltd., Duval County, 173 thousand reported
  • D C R C SECTION 54 — gas, Exxon Corp., Duval County, 171 thousand reported
  • DUVAL COUNTY RANCH CO. -K- — oil, Exxon Corp., Duval County, 171 thousand reported
  • FARMERS LIFE GAS UNIT NO.1 — gas, Exxon Corp., Duval County, 170 thousand reported
  • WELDER HEIRS B-3 — gas, Texas Southern Petroleum Corp., Duval County, 168 thousand reported
  • CANALES — gas, Crest Resources, Inc., Duval County, 168 thousand reported
  • DCR 589 — gas, Sonat Exploration Co. - Houston, Duval County, 168 thousand reported
  • BELIA BARRERA — gas, Inland Ocean, Inc., Duval County, 167 thousand reported
  • LOPEZ MINERAL TRUST — gas, Newfield Exploration Company, Duval County, 167 thousand reported
  • DCR 261A — oil, Tri-C Resources, Inc., Duval County, 167 thousand reported
  • HAGIST RANCH -A- — gas, Gillring Oil Company, Duval County, 166 thousand reported
  • DCR 59 — oil, Ocean Energy, Inc., Duval County, 166 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.