Oil and gas leases in Mcmullen County — page 6

Mcmullen County, Texas has 2,613 oil and gas leases with production on file at the Railroad Commission. 1,000 of them are oil leases and 1,613 are gas leases. Between them they carry 5,075 wellbores. Reported volumes run from January 1993 to August 2026 and come to 408.4 million barrels of oil and 1.8 billion Mcf of gas. 256 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 Mcmullen County

How many oil and gas leases are in Mcmullen County?
Mcmullen County has 2,613 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Mcmullen County produced?
Leases in Mcmullen County have reported 408,421,659 barrels of oil (bbl) and 1,775,962,826 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Mcmullen County?
256 operators file production returns for leases in Mcmullen County.
How much are mineral rights in Mcmullen County worth?
There is no single figure: what a mineral or royalty interest in Mcmullen County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 2,613 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 6 of 14

  • JJ HENRY HC1 UNIT V — oil, Chesapeake Operating, L.L.C., Mcmullen County, 514 thousand reported
  • NBRP EF — gas, Swift Energy Operating, LLC, Mcmullen County, 514 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 513 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 512 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 511 thousand reported
  • BRACKEN "A" — gas, Swift Energy Company, Mcmullen County, 511 thousand reported
  • DOBBY E — gas, Eog Resources, Inc., Mcmullen County, 510 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 509 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 509 thousand reported
  • WR "A" — gas, Swift Energy Company, Mcmullen County, 508 thousand reported
  • RHODE, D. W. 9 — gas, Bridge Oil Company, L. P., Mcmullen County, 508 thousand reported
  • BRACKEN RANCH — gas, Awp Operating Company, Mcmullen County, 507 thousand reported
  • BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 507 thousand reported
  • SBR — gas, Swift Energy Operating, LLC, Mcmullen County, 507 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 505 thousand reported
  • BRACKEN RANCH — gas, Awp Operating Company, Mcmullen County, 504 thousand reported
  • HUFF B — gas, Caturus Energy, LLC, Mcmullen County, 504 thousand reported
  • DILWORTH 3 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 504 thousand reported
  • BRACKEN "B" — gas, Dale Operating Company, Mcmullen County, 504 thousand reported
  • BRACKEN RANCH — gas, Awp Operating Company, Mcmullen County, 503 thousand reported
  • W. R. — gas, Swift Energy Company, Mcmullen County, 502 thousand reported
  • HUFF — gas, Swift Energy Company, Mcmullen County, 502 thousand reported
  • WHEELER, CLIFTON — gas, Columbia Energy Properties, Inc., Mcmullen County, 502 thousand reported
  • FOUR K PARTNERS K — oil, Eog Resources, Inc., Mcmullen County, 502 thousand reported
  • SWENSON 'A' — oil, Comstock Oil & Gas, LP, Mcmullen County, 502 thousand reported
  • KUYKENDALL UNIT — oil, Marathon Oil Ef LLC, Mcmullen County, 501 thousand reported
  • FORREST WHEELER B 1 — gas, Petrohawk Operating Company, Mcmullen County, 500 thousand reported
  • MCKENZIE HC5 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 500 thousand reported
  • FORREST WHEELER 'D' — gas, Trinity Operating (Usg), LLC, Mcmullen County, 498 thousand reported
  • MCKENZIE HC11 MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 498 thousand reported
  • BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 497 thousand reported
  • TEAL RANCH EFS — oil, Aurora Resources Corporation, Mcmullen County, 497 thousand reported
  • JJ HENRY HC4 UNIT VI — oil, Chesapeake Operating, L.L.C., Mcmullen County, 497 thousand reported
  • SWR "D" — gas, Swift Energy Company, Mcmullen County, 497 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 496 thousand reported
  • MORRILL — gas, Delta Exploration Company, Inc., Mcmullen County, 496 thousand reported
  • SWR "H" — gas, Swift Energy Company, Mcmullen County, 494 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 494 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 493 thousand reported
  • HENRY SOUTH, EDNA GIBBONS — oil, Dolch Production, Inc., Mcmullen County, 493 thousand reported
  • MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 493 thousand reported
  • PENN, STELLA — gas, Cabot Oil & Gas Corporation, Mcmullen County, 492 thousand reported
  • HILL "A" — oil, Comstock Oil & Gas, LP, Mcmullen County, 492 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 490 thousand reported
  • TEAL MCM — oil, Chesapeake Operating, Inc., Mcmullen County, 490 thousand reported
  • MARTIN MASON — oil, Chesapeake Operating, Inc., Mcmullen County, 489 thousand reported
  • BRACKEN "E" — gas, Dale Operating Company, Mcmullen County, 489 thousand reported
  • BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 489 thousand reported
  • BAKER, EARL — gas, Gruy Petroleum Management Co., Mcmullen County, 489 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 488 thousand reported
  • HOSTETTER — gas, Texaco E & P Inc., Mcmullen County, 487 thousand reported
  • COBRA — oil, Abraxas Petroleum Corporation, Mcmullen County, 487 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 487 thousand reported
  • FORREST WHEELER B 11 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 486 thousand reported
  • DILWORTH 16 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 486 thousand reported
  • MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 485 thousand reported
  • NAYLOR JONES UNIT 48 EAST — oil, Eog Resources, Inc., Mcmullen County, 484 thousand reported
  • SWR — gas, Swift Energy Company, Mcmullen County, 484 thousand reported
  • DILWORTH 8 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 483 thousand reported
  • SBR — gas, Swift Energy Operating, LLC, Mcmullen County, 483 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 483 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 482 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 482 thousand reported
  • HORTON, R. P. ET AL — gas, Dreyfus, Louis Natural Gas Corp, Mcmullen County, 481 thousand reported
  • BRACKEN, R. — gas, Swift Energy Company, Mcmullen County, 481 thousand reported
  • DILWORTH 22 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 481 thousand reported
  • NAYLOR JONES UNIT 48W — oil, Eog Resources, Inc., Mcmullen County, 480 thousand reported
  • DILWORTH 27 — gas, BPX Operating Company, Mcmullen County, 480 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 479 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 479 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 478 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 478 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 478 thousand reported
  • H. B. INTEREST — gas, Kebo Oil & Gas, Inc., Mcmullen County, 478 thousand reported
  • BRACKEN, R. — gas, Swift Energy Company, Mcmullen County, 477 thousand reported
  • DILWORTH — gas, Petrohawk Operating Company, Mcmullen County, 476 thousand reported
  • RUCKMAN — gas, Camden Resources, Inc., Mcmullen County, 475 thousand reported
  • BRACKEN, R. — gas, Swift Energy Company, Mcmullen County, 475 thousand reported
  • BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 474 thousand reported
  • HUFF — gas, Swift Energy Operating, LLC, Mcmullen County, 473 thousand reported
  • BRACKEN, R. — gas, Swift Energy Company, Mcmullen County, 473 thousand reported
  • SMITH CC — gas, Xto Energy Inc., Mcmullen County, 473 thousand reported
  • GORDON B UNIT — oil, Eog Resources, Inc., Mcmullen County, 472 thousand reported
  • NAYLOR JONES UNIT 24 — oil, Eog Resources, Inc., Mcmullen County, 472 thousand reported
  • NBRP EF — gas, Swift Energy Operating, LLC, Mcmullen County, 472 thousand reported
  • STS C NORTH UNIT X — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 471 thousand reported
  • BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 471 thousand reported
  • MURRAY — gas, Valence Operating Company, Mcmullen County, 471 thousand reported
  • STS C — gas, BPX Operating Company, Mcmullen County, 470 thousand reported
  • MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 467 thousand reported
  • SWR "H" — gas, Swift Energy Company, Mcmullen County, 467 thousand reported
  • JJ HENRY UNIT II — oil, Chesapeake Operating, Inc., Mcmullen County, 467 thousand reported
  • TYLER UNIT C — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 467 thousand reported
  • NAUMANN — gas, Pmo, Mcmullen County, 466 thousand reported
  • GOUGER, H. E. FEE NCT-4 — gas, Texaco E & P Inc., Mcmullen County, 466 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 466 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 466 thousand reported
  • DILWORTH 29 — gas, BPX Operating Company, Mcmullen County, 465 thousand reported
  • BRACKEN "A" — gas, Swift Energy Company, Mcmullen County, 463 thousand reported
  • MCKENZIE HC1 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 463 thousand reported
  • LIBERSAT EFS — oil, Sea Eagle Ford, LLC, Mcmullen County, 463 thousand reported
  • FOUR K PARTNERS G — oil, Eog Resources, Inc., Mcmullen County, 462 thousand reported
  • MCCLAUGHERTY, I. O. — gas, Swift Energy Company, Mcmullen County, 462 thousand reported
  • GOLLUM UNIT — oil, Eog Resources, Inc., Mcmullen County, 460 thousand reported
  • SWR "H" — gas, Swift Energy Company, Mcmullen County, 460 thousand reported
  • BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 460 thousand reported
  • BRACKEN "F" — gas, Swift Energy Company, Mcmullen County, 458 thousand reported
  • SWR "D" — gas, Swift Energy Company, Mcmullen County, 458 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 457 thousand reported
  • BRACKEN "A" — gas, Swift Energy Operating, LLC, Mcmullen County, 456 thousand reported
  • MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 455 thousand reported
  • DILWORTH 28 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 453 thousand reported
  • DONNELL 'C' — oil, Comstock Oil & Gas, LP, Mcmullen County, 453 thousand reported
  • FORREST WHEELER B 5 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 453 thousand reported
  • KYNETTE, P. — oil, Phoenix Fund, Inc., Mcmullen County, 452 thousand reported
  • MCCLAUGHERTY, I. O. — gas, Swift Energy Company, Mcmullen County, 452 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 452 thousand reported
  • MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 452 thousand reported
  • NAYLOR JONES UNIT 43 WEST — oil, Eog Resources, Inc., Mcmullen County, 451 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 451 thousand reported
  • FORREST WHEELER 11 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 450 thousand reported
  • DOUGHBOYS — gas, Verdun Oil & Gas LLC, Mcmullen County, 449 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 449 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 449 thousand reported
  • BRACKEN "B" — gas, Swift Energy Company, Mcmullen County, 449 thousand reported
  • CORTEZ 'F' — oil, Comstock Oil & Gas, LP, Mcmullen County, 448 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 448 thousand reported
  • F.T. — gas, Swift Energy Company, Mcmullen County, 448 thousand reported
  • BRACKEN "D" — gas, Swift Energy Company, Mcmullen County, 447 thousand reported
  • SBR — gas, Swift Energy Operating, LLC, Mcmullen County, 447 thousand reported
  • STS C — gas, Petrohawk Operating Company, Mcmullen County, 446 thousand reported
  • MORRILL — gas, Manti Operating Company, Mcmullen County, 446 thousand reported
  • Q KIEL EFS — oil, Sea Eagle Ford, LLC, Mcmullen County, 445 thousand reported
  • WHEELER, CLIFTON — gas, Columbia Energy Properties, Inc., Mcmullen County, 444 thousand reported
  • FORREST WHEELER B 8 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 444 thousand reported
  • BRACKEN — gas, Swift Energy Company, Mcmullen County, 444 thousand reported
  • JJ HENRY HC2 UNIT II — oil, Chesapeake Operating, L.L.C., Mcmullen County, 443 thousand reported
  • SCREAMING EAGLE A — gas, Primera Energy, LLC, Mcmullen County, 443 thousand reported
  • FORREST WHEELER 3 — gas, Petrohawk Operating Company, Mcmullen County, 443 thousand reported
  • TEAL E — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 443 thousand reported
  • SWENSON 'B' — oil, Comstock Oil & Gas, LP, Mcmullen County, 442 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 442 thousand reported
  • MORALES, FELIX H. — oil, American Exploration Company, Mcmullen County, 442 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 441 thousand reported
  • MCKENZIE HC2 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 441 thousand reported
  • DOUGHBOYS — gas, Verdun Oil & Gas LLC, Mcmullen County, 439 thousand reported
  • BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 439 thousand reported
  • DONNELL 457 — gas, Petrohawk Operating Company, Mcmullen County, 439 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 439 thousand reported
  • DISCHER, H.A. — oil, American Exploration Company, Mcmullen County, 438 thousand reported
  • SWR "H" — gas, Swift Energy Company, Mcmullen County, 438 thousand reported
  • BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 435 thousand reported
  • CARLSON 'C' — oil, Comstock Oil & Gas, LP, Mcmullen County, 434 thousand reported
  • MCKENZIE HC4 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 434 thousand reported
  • DILWORTH RANCH — gas, Rosewood Resources, Inc., Mcmullen County, 433 thousand reported
  • HORTON BALLARD — oil, Pentad Development Corp. (A), Mcmullen County, 433 thousand reported
  • PEELER — gas, Aurora Resources Corporation, Mcmullen County, 433 thousand reported
  • HORTON, R. P. ET AL — gas, Dreyfus, Louis Natural Gas Corp, Mcmullen County, 432 thousand reported
  • DOUBLE K UNIT C — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 432 thousand reported
  • BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 431 thousand reported
  • SWENSON 'A' — gas, Trinity Operating (Usg), LLC, Mcmullen County, 431 thousand reported
  • STS 'D' — gas, Sierra Resources, LLC, Mcmullen County, 430 thousand reported
  • SWR "D" — gas, Swift Energy Company, Mcmullen County, 429 thousand reported
  • BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 429 thousand reported
  • WR "K" — gas, Swift Energy Company, Mcmullen County, 429 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 429 thousand reported
  • BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 429 thousand reported
  • MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 429 thousand reported
  • JJ HENRY HC3 UNIT VI — oil, Chesapeake Operating, L.L.C., Mcmullen County, 428 thousand reported
  • SCOTT FOUNDATION 59 GAS UNIT — gas, Bass Enterprises Production Co., Mcmullen County, 427 thousand reported
  • BRACKEN "C" — gas, Dale Operating Company, Mcmullen County, 427 thousand reported
  • WHEELER, CLIFTON — gas, Columbia Energy Properties, Inc., Mcmullen County, 426 thousand reported
  • BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 426 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 426 thousand reported
  • BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 426 thousand reported
  • JJ HENRY HC2 UNIT X — oil, Chesapeake Operating, L.L.C., Mcmullen County, 425 thousand reported
  • SMITH, C. C. — gas, American Exploration Company, Mcmullen County, 424 thousand reported
  • JJ HENRY HC1 UNIT II — oil, Chesapeake Operating, L.L.C., Mcmullen County, 424 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 423 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 423 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 423 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 422 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 421 thousand reported
  • BALLARD, HORTON — gas, Welhausen Operating Company, LP, Mcmullen County, 421 thousand reported
  • JACOB, LEONARD CORPORATION — gas, Stoneham Oil Company, Mcmullen County, 421 thousand reported
  • QUINTANILLA UNIT A MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 421 thousand reported
  • FOUR K PARTNERS H — oil, Eog Resources, Inc., Mcmullen County, 420 thousand reported
  • DUSEK EFS — oil, Sea Eagle Ford, LLC, Mcmullen County, 419 thousand reported
  • BRACKEN, R. — gas, Swift Energy Company, Mcmullen County, 419 thousand reported
  • BLOCK A UNIT — gas, Eog Resources, Inc., Mcmullen County, 418 thousand reported
  • BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 418 thousand reported
  • WHITE STAR — gas, Verdun Oil & Gas LLC, Mcmullen County, 418 thousand reported
  • NBR EF — oil, Silverbow Resources Oper, LLC, Mcmullen County, 417 thousand reported
  • SOUTH TEXAS SYNDICATE -A- — oil, Swift Energy Company, Mcmullen County, 417 thousand reported
  • BRACKEN "A" — gas, Swift Energy Company, Mcmullen County, 417 thousand reported
  • MORRILL UNIT A — gas, Burlington Resources O & G Co LP, Mcmullen County, 417 thousand reported
  • WESLEY SWAIM UNIT — oil, Talisman Energy USA Inc., Mcmullen County, 417 thousand reported
  • GOUGER, H.E. FEE NCT-4 — gas, Texaco E & P Inc., Mcmullen County, 417 thousand reported
  • SBR — gas, Swift Energy Company, Mcmullen County, 417 thousand reported
  • BRACKEN, R. — gas, Swift Energy Company, Mcmullen County, 415 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.