Oil and gas leases in Harris County — page 2

Harris County, Texas has 945 oil and gas leases with production on file at the Railroad Commission, all of them in Commission district 03. 386 of them are oil leases and 559 are gas leases. Between them they carry 2,315 wellbores. Reported volumes run from January 1993 to August 2026 and come to 56.8 million barrels of oil and 1.0 billion Mcf of gas. 205 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 Harris County

How many oil and gas leases are in Harris County?: Harris County has 945 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Harris County produced?: Leases in Harris County have reported 56,750,674 barrels of oil (bbl) and 1,020,219,293 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Harris County?: 205 operators file production returns for leases in Harris County.
How much are mineral rights in Harris County worth?: There is no single figure: what a mineral or royalty interest in Harris County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 945 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 2 of 5

HEATHERLOCH M. U. D. — gas, Caskids Operating Company, Harris County, 883 thousand reported
MURFF, BILLY — gas, Phoenix Hydrocarbons Operating, Harris County, 879 thousand reported
EXXON-WEST FEE -C- A/C 1 — gas, Exxon Corp., Harris County, 879 thousand reported
TAYLOR HEIRS — oil, Morgan Enterprises, Inc., Harris County, 879 thousand reported
GRAVES UNIT "B" — gas, Enron Oil & Gas Company, Harris County, 878 thousand reported
ARNOLD, CHARLES — gas, Palace Exploration Company, Harris County, 871 thousand reported
BREWER UNIT NO. 1V — oil, Columbus Energy Corp., Harris County, 870 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Corp., Harris County, 866 thousand reported
L. L. & E. NO. 1 UNIT — gas, Etoco Incorporated, Harris County, 862 thousand reported
BISHOP UNIT — gas, Etoco Incorporated, Harris County, 858 thousand reported
LAKEWOOD GAS UNIT — gas, Phoenix Hydrocarbons Operating, Harris County, 858 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Mobil Corporation, Harris County, 846 thousand reported
DWYER — gas, Enron Oil & Gas Company, Harris County, 832 thousand reported
CLODINE GAS UNIT NO. 3 — gas, Anschutz Exploration Corporation, Harris County, 830 thousand reported
JOSEY RANCH GAS UNIT 7 — gas, KCS Resources, Inc., Harris County, 828 thousand reported
BATTLESTEIN ET AL G. U. — gas, Neumin Production Company, Harris County, 827 thousand reported
STONE — oil, Pennzoil Exploration & Prod. Co., Harris County, 826 thousand reported
JOSEY RANCH GAS UNIT 3 — gas, KCS Resources, Inc., Harris County, 826 thousand reported
BAHR INTEREST ET AL — gas, Chevron U. S. A. Inc., Harris County, 808 thousand reported
CEDAR BAYOU — gas, Columbus Energy Corp., Harris County, 806 thousand reported
BURKETT, JEWELL H. — gas, Tortuga Operating Company, Harris County, 799 thousand reported
NASH, HANNAH — gas, Smith Production Inc., Harris County, 799 thousand reported
HOUSTON, SAM UNIT — gas, Brown, J. K. Inc., Harris County, 795 thousand reported
SIMMS-SCHILLING — oil, Exxon Corp., Harris County, 794 thousand reported
KEYSER-KROLL — gas, Cox & Perkins Exploration, Inc., Harris County, 792 thousand reported
TEXAS NORTHERN RAILWAY — gas, Cobra Operating Company, Harris County, 778 thousand reported
FREY TRUST GAS UNIT — gas, Neumin Production Company, Harris County, 769 thousand reported
TEXAS NORTHERN RAILWAY — gas, Cobra Operating Company, Harris County, 753 thousand reported
SCOTT, GEO. A & BEAMER, LOUISE S — gas, Exxon Mobil Corporation, Harris County, 742 thousand reported
STEVENSON FEE — oil, Texaco E & P Inc., Harris County, 739 thousand reported
DUNKS, IRA J. ET AL — gas, American Energy Sources, Inc., Harris County, 735 thousand reported
WITTEN, J. W. UNIT — gas, Sanchez Oil & Gas Corporation, Harris County, 724 thousand reported
JOSEY RANCH GAS UNIT 6 — gas, KCS Resources, Inc., Harris County, 722 thousand reported
COX, L.L. GAS UNIT — gas, MW Petroleum Corporation, Harris County, 718 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Mobil Corporation, Harris County, 709 thousand reported
EXXON-WEST FEE -C- A/C 1 — gas, Exxon Corp., Harris County, 703 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Mobil Corporation, Harris County, 696 thousand reported
GAILLARD, J. 25-ACRE — oil, Exxon Corp., Harris County, 692 thousand reported
BUTERA — gas, Bridge Oil Production Co., Inc., Harris County, 671 thousand reported
LONGENBAUGH — gas, Hamman Oil & Refining Company, Harris County, 650 thousand reported
TOMBALL GAS UNIT 7 — gas, Tortuga Operating Company, Harris County, 650 thousand reported
BAHR INTEREST ET AL — gas, Chevron U. S. A. Inc., Harris County, 649 thousand reported
COCHRAN, STEVEN T.GAS UNIT NO. 1 — gas, French Production Incorporated, Harris County, 630 thousand reported
TOMBALL GAS UNIT 2 — gas, M. J. G., Inc., Harris County, 618 thousand reported
TOMBALL GU 6 — gas, Tandem Energy Corporation, Harris County, 616 thousand reported
CLEVELAND AGENTS UNIT — gas, Chevron U. S. A. Inc., Harris County, 613 thousand reported
TOMBALL GAS UNIT -A- METZLER — gas, Amerada Hess Corporation, Harris County, 609 thousand reported
HAMILL GAS UNIT #3 — gas, Enron Oil & Gas Company, Harris County, 597 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Corp., Harris County, 592 thousand reported
HOUSTON SHIP CHANNEL UNIT — gas, Ballard Exploration Company,Inc., Harris County, 589 thousand reported
TUCKER, JESSIE A. "A" — gas, Poco Oil Co., Harris County, 587 thousand reported
KGFU 2 — gas, Exxon Corp., Harris County, 567 thousand reported
WEST PRODUCTION CO. A/C 2 — gas, Exxon Mobil Corporation, Harris County, 561 thousand reported
PETERSON, ROY S. — gas, Torch Operating Company, Harris County, 561 thousand reported
SWEENEY GU #2 — gas, Texaco E & P Inc., Harris County, 543 thousand reported
INTERFINANCIAL CORP. — gas, Global Natural Resources Corp., Harris County, 537 thousand reported
SHMIDL-BROOKS — gas, LGDC Corporation, Harris County, 529 thousand reported
PINE VILLAGE UNIT — gas, D & P Operating & Prod. Corp., Harris County, 526 thousand reported
FREY TRUST GAS UNIT — gas, Neumin Production Company, Harris County, 516 thousand reported
HERMANN HOSPITAL EST. — gas, Exxon Mobil Corporation, Harris County, 515 thousand reported
CEDAR BAYOU — gas, Columbus Energy Corp., Harris County, 511 thousand reported
TUCKER, JESSIE A. "C" — gas, Mse Operating Corp., Harris County, 503 thousand reported
MILO, E. F. — oil, Exxon Corp., Harris County, 503 thousand reported
JOSEY, L. M. "B" — gas, Josey, Lenoir M., Inc., Harris County, 497 thousand reported
DAVIS "B" UNIT — oil, Columbus Energy Corp., Harris County, 497 thousand reported
KOBS A — gas, Jamex, Inc., Harris County, 487 thousand reported
FULBRIGHT UNIT — gas, Ellstrom Energy Company, Harris County, 483 thousand reported
LONGENBAUGH — gas, Hamman Oil & Refining Company, Harris County, 477 thousand reported
RAMBO GAS UNIT — gas, Carrizo Oil & Gas, Inc., Harris County, 477 thousand reported
HENKE, C. — gas, Flow Energy Inc., Harris County, 469 thousand reported
OLCOTT GU 4 — gas, Exxon Corp., Harris County, 467 thousand reported
SWEENEY, J. J. ESTATE — gas, Texaco E & P Inc., Harris County, 466 thousand reported
MARSHALL BROTHERS TRUST G.U. — gas, MW Petroleum Corporation, Harris County, 466 thousand reported
PETRICH, THERESA — gas, Tortuga Operating Company, Harris County, 449 thousand reported
TOMBALL GAS UNIT "9" — gas, Tandem Energy Corporation, Harris County, 446 thousand reported
OLCOTT GU 4 — gas, Exxon Corp., Harris County, 444 thousand reported
ETOCO FEE — gas, Etoco Incorporated, Harris County, 442 thousand reported
JOSEY RANCH "B" — gas, Hanson Production Company, Harris County, 440 thousand reported
HOLMES-ELLIOTT UNIT — oil, Columbus Energy Corp., Harris County, 436 thousand reported
CHANNELVIEW TOWNSITE "C" — gas, Ballard Exploration Company,Inc., Harris County, 431 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Corp., Harris County, 413 thousand reported
MARSHALL BROTHERS TRUSTS -C- GU — gas, MW Petroleum Corporation, Harris County, 413 thousand reported
OLCOTT GU 1 — gas, Exxon Corp., Harris County, 407 thousand reported
BASH UNIT — gas, Pennzoil Exploration & Prod. Co., Harris County, 400 thousand reported
WHITCOMB, B. A. — gas, Maralo, Inc., Harris County, 393 thousand reported
PIZZITOLA UNIT — gas, Pennzoil Exploration & Prod. Co., Harris County, 387 thousand reported
SMITH, ASHBEL #2 — oil, BHP Petroleum (Americas) Inc., Harris County, 385 thousand reported
JOSEY, L. M. -B- — gas, Josey, Lenoir M., Inc., Harris County, 384 thousand reported
LONGENBAUGH — gas, Hamman Oil & Refining Company, Harris County, 380 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Corp., Harris County, 379 thousand reported
THEIS, FRITZ, A/C #1 — oil, Exxon Corp., Harris County, 375 thousand reported
EXXON-WEST FEE -C- A/C / — gas, Exxon Corp., Harris County, 374 thousand reported
KOEHLER, F. E. FEE NCT-1 — oil, Texaco E & P Inc., Harris County, 370 thousand reported
ULRICH, JERRY GAS UNIT NO. 1 — gas, French Production Incorporated, Harris County, 368 thousand reported
VAN VORST, WILLIAM ET AL UNIT — gas, Sonora Petroleum Corp., Harris County, 359 thousand reported
JOSEY, MARI — gas, Josey Oil Company, Ltd., Harris County, 358 thousand reported
HARMS, H. E., ESTATE UNIT — gas, Mosbacher Energy Company, Harris County, 357 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Mobil Corporation, Harris County, 352 thousand reported
LAIRD, O. L. — oil, Exxon Corp., Harris County, 350 thousand reported
COHN, A. B. — gas, Marwell Petroleum, Inc., Harris County, 348 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Mobil Corporation, Harris County, 344 thousand reported
HOLDEN ETAL — gas, Goodrich Oil Company, Harris County, 338 thousand reported
HAMILL GAS UNIT #2 — gas, Natural Gas MKTG. & Storage Co., Harris County, 334 thousand reported
JONES, L. UNIT — oil, Etoco Incorporated, Harris County, 332 thousand reported
MARSHALL BROTHERS TRUST GU #1 — gas, Opex Energy, LLC, Harris County, 331 thousand reported
CLEAR LAKE STATE — gas, Exxon Corp., Harris County, 328 thousand reported
TEXAS NORTHERN RAILWAY — gas, Brown, J. K. Inc., Harris County, 321 thousand reported
TOMBALL GU 6 — gas, Exxon Corp., Harris County, 320 thousand reported
HIRSCH, WM. — gas, Tortuga Operating Company, Harris County, 314 thousand reported
EXXON-WEST FEE -C- A/C 4 — gas, Exxon Corp., Harris County, 313 thousand reported
EXXON-WEST FEE "C" A/C 1 — gas, Exxon Corp., Harris County, 313 thousand reported
SCURLOCK TRUST "A" — gas, Sonora Petroleum Corp., Harris County, 312 thousand reported
WEST PRODUCTION CO. A/C 3 — gas, Exxon Corp., Harris County, 311 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Mobil Corporation, Harris County, 307 thousand reported
GOODYKOONTZ — gas, Osborn,W.B. Oil & Gas Operations, Harris County, 305 thousand reported
WHEELER & PICKENS FEE — oil, Texaco E & P Inc., Harris County, 302 thousand reported
SWEENEY GU #2 — gas, Texaco E & P Inc., Harris County, 298 thousand reported
RUCKER-SCHILLING — oil, Coastal Oil & Gas Corporation, Harris County, 298 thousand reported
SWEENEY ESTATE — gas, Texaco E & P Inc., Harris County, 296 thousand reported
TOMBALL GAS UNIT "9" — gas, Tandem Energy Corporation, Harris County, 295 thousand reported
TOMBALL GU 2 — gas, Gaither Petroleum Corporation, Harris County, 291 thousand reported
JONES UNIT — oil, Columbus Energy Corp., Harris County, 291 thousand reported
MICHEL, A. H. — oil, Exxon Corp., Harris County, 283 thousand reported
WEST PRODUCTION CO. A/C 3 — gas, Exxon Mobil Corporation, Harris County, 281 thousand reported
MUELLER, E. E. — gas, Tortuga Operating Company, Harris County, 280 thousand reported
CYPRESS CREEK — gas, Torch Operating Company, Harris County, 279 thousand reported
SMITH-MOPAC UNIT — oil, Morgan Enterprises, Inc., Harris County, 275 thousand reported
ARNOLD, CHARLES — gas, French Production Incorporated, Harris County, 274 thousand reported
TOMBALL GAS UNIT 9 — gas, Exxon Corp., Harris County, 270 thousand reported
LEWIS, SAM — gas, Tortuga Operating Company, Harris County, 266 thousand reported
JOSEY RANCH GAS UNIT NO. 4 — gas, Hanson Production Company, Harris County, 264 thousand reported
JESSE BISHOP UNIT — oil, Etoco Incorporated, Harris County, 259 thousand reported
TOMBALL OUTLOT OIL UNIT — oil, Gaither Petroleum Corporation, Harris County, 252 thousand reported
JOSEY, L. — oil, Midpar L.P., Harris County, 251 thousand reported
BURKITT — gas, Barnhart Co., Harris County, 250 thousand reported
MARSHALL, A. B. FEE — gas, Marshall, A. B., Harris County, 250 thousand reported
COULTER, HELEN — gas, Exxon Corp., Harris County, 250 thousand reported
QUILTER, H. -A- — gas, Gaither Petroleum Corporation, Harris County, 247 thousand reported
MORRISON-FLANAGAN — gas, LGDC Corporation, Harris County, 246 thousand reported
ULRICH HEIRS GAS UNIT — gas, French Production Incorporated, Harris County, 244 thousand reported
MAGNOLIA REALTY — gas, Tortuga Operating Company, Harris County, 242 thousand reported
MARTENS, HULDA — gas, Tortuga Operating Company, Harris County, 241 thousand reported
EXXON-WEST FEE -C- A/C 1 — gas, Exxon Corp., Harris County, 241 thousand reported
WEST PRODUCTION CO. A/C 3 — gas, Exxon Corp., Harris County, 241 thousand reported
TABB "B" — oil, Pax Petroleum Corporation, Harris County, 241 thousand reported
IVY, JOHN UNIT — gas, Osborn,W.B. Oil & Gas Operations, Harris County, 239 thousand reported
SWILLEY — gas, Ballard Exploration Company,Inc., Harris County, 236 thousand reported
HUTCHESON, J. C. — gas, Exxon Corp., Harris County, 236 thousand reported
GULF LAND CO. UNIT — gas, Geo Engineering, Inc., Harris County, 234 thousand reported
LIDDELL, F. EST. — oil, Daniels Corporation, The, Harris County, 231 thousand reported
WYNDELTS — gas, M. J. G., Inc., Harris County, 230 thousand reported
GRIZZARD, J. P. — gas, Maguire Oil Company, Harris County, 228 thousand reported
LONGENBAUGH, A. G. — oil, Hamman Oil & Refining Company, Harris County, 227 thousand reported
SCHULTZ, E. -A- — oil, Exxon Corp., Harris County, 226 thousand reported
C. O. & G. CO. FEE — oil, Texaco E & P Inc., Harris County, 223 thousand reported
SCOTT, GEO. A & BEAMER, LOUISE S — gas, Exxon Mobil Corporation, Harris County, 221 thousand reported
SOWDEN, G. M. B — gas, Exxon Corp., Harris County, 220 thousand reported
TOMBALL GU 1 — gas, Gaither Petroleum Corporation, Harris County, 219 thousand reported
TREICHEL, F. — gas, Americo Energy Resources, LLC, Harris County, 217 thousand reported
KENDALL — oil, Pennzoil Exploration & Prod. Co., Harris County, 216 thousand reported
DUNKS, IRA J. ET AL — gas, American Energy Sources, Inc., Harris County, 214 thousand reported
DEUSSEN ESTATE A — gas, Ballard Exploration Company,Inc., Harris County, 214 thousand reported
JOSEY "B" — gas, Joy Resources, Inc., Harris County, 214 thousand reported
JOSEY, L.M. "A" — oil, Josey, Lenoir M., Inc., Harris County, 208 thousand reported
LEWIS, SAM — oil, Tortuga Operating Company, Harris County, 205 thousand reported
TOMBALL GU 16 — gas, Exxon Corp., Harris County, 205 thousand reported
TAYLOR, E. R., ETAL — oil, Chevron U. S. A. Inc., Harris County, 204 thousand reported
JOSEY, MARI — oil, Josey Oil Company, Ltd., Harris County, 200 thousand reported
JOSEY, L. M. 'B' — gas, Josey, Lenoir M., Inc., Harris County, 198 thousand reported
TOMBALL GAS UNIT #18 — oil, Gaither Petroleum Corporation, Harris County, 191 thousand reported
BUSCH GAS UNIT O/A — gas, Texaco E & P Inc., Harris County, 190 thousand reported
OLCOTT GU 4 — gas, Exxon Corp., Harris County, 189 thousand reported
GAILLARD FEE, TR. 1 — oil, Pennzoil Petroleum Company, Harris County, 188 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Corp., Harris County, 188 thousand reported
HAMILL (WILCOX) GAS UNIT NO. 1 — gas, Enron Oil & Gas Company, Harris County, 188 thousand reported
TEXAS NORTHERN RAILWAY — gas, Cobra Operating Company, Harris County, 187 thousand reported
NUNAN — gas, Nordstrand Engineering, Inc., Harris County, 186 thousand reported
WRIGHT, A. -E- — oil, Coastal Oil & Gas Corporation, Harris County, 185 thousand reported
HIRSCH, WM. — gas, Tortuga Operating Company, Harris County, 182 thousand reported
HOLDERRIETH, C. B. — oil, Exxon Corp., Harris County, 182 thousand reported
KIESLING, A. E. & DIXON, T. K. — gas, Exxon Mobil Corporation, Harris County, 181 thousand reported
REID, JOHN D. — oil, Exxon Corp., Harris County, 181 thousand reported
THEIS, FRITZ, A/C #1 — oil, Exxon Corp., Harris County, 179 thousand reported
RORICK, DAVID, JR. "A" — oil, Mse Operating Corp., Harris County, 177 thousand reported
EXXON WEST FEE C A/C-1 — gas, Exxon Mobil Corporation, Harris County, 176 thousand reported
JOSEY RANCH — gas, Hanson Production Company, Harris County, 176 thousand reported
MICHEL, M. F. — oil, Exxon Corp., Harris County, 174 thousand reported
WEBSTER FIELD UNIT — gas, Exxon Mobil Corporation, Harris County, 171 thousand reported
MARTYN, J. M. — gas, Exxon Corp., Harris County, 171 thousand reported
TOMBALL GU 8 — gas, Tortuga Operating Company, Harris County, 169 thousand reported
EXXON-WEST FEE "C" A/C 1 — gas, Exxon Corp., Harris County, 169 thousand reported
MARSHALL, A. B., FEE — oil, Marshall, A. B., Harris County, 168 thousand reported
GOODYKOONTZ, W. W. — gas, Houston Expl. & Prod. Co., Inc., Harris County, 167 thousand reported
JOSEY RANCH GAS UNIT 7 — gas, Milagro Exploration, LLC, Harris County, 163 thousand reported
MARTENS, HULDA — gas, Gaither Petroleum Corporation, Harris County, 162 thousand reported
R J S UNIT — oil, Houston Hydrocarbons, Inc. (A), Harris County, 162 thousand reported
HUTCHESON, J. C. — gas, Exxon Corp., Harris County, 162 thousand reported
MUELLER, E. E. — gas, Tortuga Operating Company, Harris County, 161 thousand reported
SANDERS, KATIE S. GAS UNIT NO.1 — gas, Samson Resources Company, Harris County, 161 thousand reported
JOSEY RANCH GAS UNIT #3 — gas, Milagro Exploration, LLC, Harris County, 159 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.