Oil and gas leases in Mcmullen County — page 7

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 7 of 14

FOUR K PARTNERS J — oil, Eog Resources, Inc., Mcmullen County, 415 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 415 thousand reported
RUCKMAN DEEP GAS UNIT — gas, Camden Resources, Inc., Mcmullen County, 415 thousand reported
SBR — gas, Swift Energy Operating, LLC, Mcmullen County, 414 thousand reported
BRACKEN "D" — gas, Swift Energy Company, Mcmullen County, 413 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 413 thousand reported
BRACKEN — gas, Swift Energy Company, Mcmullen County, 412 thousand reported
TEAL UNIT B — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 411 thousand reported
LINDHOLM 86-T UNIT — gas, Arco Oil & Gas Co., Mcmullen County, 411 thousand reported
JJ HENRY HC4 UNIT IV — oil, Chesapeake Operating, L.L.C., Mcmullen County, 410 thousand reported
SCOTT FOUNDATION 59 GAS UNIT — gas, Bass Enterprises Production Co., Mcmullen County, 410 thousand reported
JJ HENRY HC3 UNIT IV — oil, Chesapeake Operating, L.L.C., Mcmullen County, 410 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 410 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 409 thousand reported
Y BAR EF — oil, Swift Energy Operating, LLC, Mcmullen County, 408 thousand reported
BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 408 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 408 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 408 thousand reported
DISCHER EF — gas, Swift Energy Operating, LLC, Mcmullen County, 407 thousand reported
MCKENZIE UNIT O — oil, Chesapeake Operating, Inc., Mcmullen County, 407 thousand reported
ESPERANZA C — oil, Eog Resources, Inc., Mcmullen County, 406 thousand reported
BRACKEN "B" — gas, Swift Energy Company, Mcmullen County, 406 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 406 thousand reported
LEWIS — oil, Enerquest Operating L.L.C., Mcmullen County, 406 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 406 thousand reported
POWERS E UNIT — oil, Equinor Texas Onshore Prop LLC, Mcmullen County, 405 thousand reported
BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 405 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 403 thousand reported
HUFF — gas, Swift Energy Company, Mcmullen County, 403 thousand reported
CHOKE CANYON WEST UNIT — gas, Rosewood Resources, Inc., Mcmullen County, 403 thousand reported
LOTTIE LEE — oil, Eog Resources, Inc., Mcmullen County, 403 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 402 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 402 thousand reported
NAYLOR JONES UNIT 60 — oil, Eog Resources, Inc., Mcmullen County, 401 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 401 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 400 thousand reported
NAYLOR JONES UNIT 32 — oil, Eog Resources, Inc., Mcmullen County, 400 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 400 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 400 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 399 thousand reported
RHODE, D. W. -9- -A- — gas, Bridge Oil Company, L. P., Mcmullen County, 399 thousand reported
JJ HENRY HC1 UNIT IV — oil, Chesapeake Operating, L.L.C., Mcmullen County, 399 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 398 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 397 thousand reported
BRACKEN "D" — gas, Swift Energy Company, Mcmullen County, 397 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 395 thousand reported
BRACKEN "A" — gas, Swift Energy Company, Mcmullen County, 392 thousand reported
MCKENZIE HC3 MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 391 thousand reported
LINDHOLM 86-1 — gas, BP America Production Company, Mcmullen County, 391 thousand reported
BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 390 thousand reported
SMR EW EF — oil, Silverbow Resources Oper, LLC, Mcmullen County, 389 thousand reported
HORTON, R.P. — oil, American Exploration Company, Mcmullen County, 389 thousand reported
BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 388 thousand reported
VALKYRIE A — oil, Eog Resources, Inc., Mcmullen County, 387 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 386 thousand reported
SWR "G" — gas, Swift Energy Company, Mcmullen County, 385 thousand reported
NAYLOR JONES UNIT 12 — oil, Eog Resources, Inc., Mcmullen County, 385 thousand reported
DOUGHBOYS — gas, Verdun Oil & Gas LLC, Mcmullen County, 385 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 384 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 384 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 384 thousand reported
BRACKEN "A" — gas, Swift Energy Company, Mcmullen County, 384 thousand reported
VALKYRIE D — oil, Eog Resources, Inc., Mcmullen County, 384 thousand reported
BRACKEN "G" — gas, Swift Energy Operating, LLC, Mcmullen County, 383 thousand reported
KOLINEK — oil, Eog Resources, Inc., Mcmullen County, 382 thousand reported
HUFF — gas, Swift Energy Company, Mcmullen County, 381 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 380 thousand reported
SCHOELLER, KATE "A" — gas, Kraft Petroleum Corporation, Mcmullen County, 380 thousand reported
HUBERT STONE 01 — gas, Pioneer Natural Res. USA, Inc., Mcmullen County, 380 thousand reported
RANCHO TRES HIJOS — oil, Comstock Oil & Gas, LP, Mcmullen County, 379 thousand reported
HAT CREEK B — oil, Eog Resources, Inc., Mcmullen County, 377 thousand reported
SWR "H" — gas, Swift Energy Company, Mcmullen County, 377 thousand reported
MCKENZIE-FOLEY HC1 MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 376 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 376 thousand reported
BRACKEN "A" — gas, Swift Energy Operating, LLC, Mcmullen County, 375 thousand reported
VALKYRIE C — oil, Eog Resources, Inc., Mcmullen County, 375 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 375 thousand reported
BRACKEN "A" — gas, Swift Energy Company, Mcmullen County, 375 thousand reported
SBR — gas, Swift Energy Operating, LLC, Mcmullen County, 375 thousand reported
LARRY MILES — gas, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 374 thousand reported
BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 374 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 374 thousand reported
NAYLOR JONES UNIT 40 — gas, Eog Resources, Inc., Mcmullen County, 374 thousand reported
SWR — gas, Swift Energy Company, Mcmullen County, 374 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 373 thousand reported
LOWE PASTURE A — oil, Eog Resources, Inc., Mcmullen County, 373 thousand reported
W. R. — gas, Swift Energy Company, Mcmullen County, 372 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 371 thousand reported
MCKENZIE HC9 MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 371 thousand reported
RANCHO TRES HIJOS ALLOCATION D — gas, Trinity Operating (Usg), LLC, Mcmullen County, 371 thousand reported
BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 371 thousand reported
CUTTER CREEK 'B' — oil, Comstock Oil & Gas, LP, Mcmullen County, 369 thousand reported
MARTIN DEEP GAS UNIT — gas, Camden Resources, Inc., Mcmullen County, 369 thousand reported
NAYLOR JONES F — oil, Eog Resources, Inc., Mcmullen County, 368 thousand reported
D. H. PRICE GAS UNIT — gas, Cabot Oil & Gas Corporation, Mcmullen County, 368 thousand reported
NAYLOR JONES UNIT 40 — gas, Eog Resources, Inc., Mcmullen County, 368 thousand reported
DILWORTH RANCH B A — oil, Rosewood Resources, Inc., Mcmullen County, 368 thousand reported
BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 366 thousand reported
NAYLOR JONES UNIT 44 WEST — oil, Eog Resources, Inc., Mcmullen County, 366 thousand reported
RUCKMAN DEEP GAS UNIT — gas, Camden Resources, Inc., Mcmullen County, 366 thousand reported
SAN MIGUEL CREEK GAS UNIT #1 — gas, Exxon Corp., Mcmullen County, 366 thousand reported
DILWORTH 12 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 365 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 364 thousand reported
NAYLOR JONES UNIT 59 WEST — oil, Eog Resources, Inc., Mcmullen County, 364 thousand reported
MARTIN MASON UNIT Q — oil, Chesapeake Operating, Inc., Mcmullen County, 364 thousand reported
MCKENZIE FOLEY UNIT A MCM — oil, Chesapeake Operating, Inc., Mcmullen County, 364 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 363 thousand reported
SWR "M" — gas, Swift Energy Company, Mcmullen County, 363 thousand reported
HUFF — gas, Swift Energy Company, Mcmullen County, 363 thousand reported
NAYLOR JONES UNIT 59 EAST — oil, Eog Resources, Inc., Mcmullen County, 362 thousand reported
ASPEN A — oil, Eog Resources, Inc., Mcmullen County, 362 thousand reported
JJ HENRY HC2 UNIT VI — oil, Chesapeake Operating, L.L.C., Mcmullen County, 362 thousand reported
BRACKEN "B" — gas, Dale Operating Company, Mcmullen County, 362 thousand reported
JEFFERSON GAS UNIT I — gas, Fina Oil & Chemical Company, Mcmullen County, 361 thousand reported
DICKINSON, J. H. — gas, Escondido Resources II, LLC, Mcmullen County, 360 thousand reported
ZAVISCH — oil, Sundance Resources, Inc., Mcmullen County, 360 thousand reported
QUINTANILLA PEACOCK HC1 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 360 thousand reported
DILWORTH 6 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 359 thousand reported
ATKINSON, J.W. — oil, Miller, W. C. Operating Company, Mcmullen County, 358 thousand reported
BRACKEN "E" — gas, Swift Energy Company, Mcmullen County, 358 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 357 thousand reported
SWR — gas, Swift Energy Company, Mcmullen County, 357 thousand reported
NAYLOR JONES UNIT 121 — oil, Eog Resources, Inc., Mcmullen County, 357 thousand reported
SWR "B" — gas, Swift Energy Company, Mcmullen County, 357 thousand reported
GOUGER GAS UNIT NO. 6 O/A — gas, Bridge Oil Company, L. P., Mcmullen County, 356 thousand reported
BRACKEN — gas, Swift Energy Company, Mcmullen County, 355 thousand reported
MCKENZIE HC8 MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 355 thousand reported
DOBBY F — oil, Eog Resources, Inc., Mcmullen County, 354 thousand reported
SWR "J" — gas, Swift Energy Company, Mcmullen County, 353 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 353 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 352 thousand reported
BRACKEN, R. — gas, Swift Energy Operating, LLC, Mcmullen County, 351 thousand reported
SOUTH TEXAS SYNDICATE -G- — gas, Swift Energy Company, Mcmullen County, 351 thousand reported
BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 351 thousand reported
MORRILL, G. P. — gas, Manti Operating Company, Mcmullen County, 351 thousand reported
WR "A" — gas, Swift Energy Company, Mcmullen County, 351 thousand reported
RUCKMAN DEEP GAS UNIT — gas, Camden Resources, Inc., Mcmullen County, 351 thousand reported
COUSINS — gas, Maverick Energy & Dev. Corp., Mcmullen County, 350 thousand reported
G.L. HAYES EF UNIT — oil, Swift Energy Operating, LLC, Mcmullen County, 349 thousand reported
BRACKEN, R. — gas, Swift Energy Company, Mcmullen County, 349 thousand reported
HORTON, R. P. ET AL — gas, Dreyfus, Louis Natural Gas Corp, Mcmullen County, 348 thousand reported
COUNTISS PS1 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 347 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 347 thousand reported
HORTON, R. P. — gas, Dreyfus, Louis Natural Gas Corp, Mcmullen County, 347 thousand reported
MCCLAUGHERTY, I.O. "A" — gas, Swift Energy Company, Mcmullen County, 347 thousand reported
STS C — gas, BPX Operating Company, Mcmullen County, 346 thousand reported
MCKENZIE HC7 MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 346 thousand reported
CHOKE CANYON EAST UNIT — gas, Rosewood Resources, Inc., Mcmullen County, 346 thousand reported
DILWORTH RANCH — gas, Rosewood Resources, Inc., Mcmullen County, 346 thousand reported
MILLER C UNIT — oil, Carrizo (Eagle Ford) LLC, Mcmullen County, 344 thousand reported
ASPEN B — oil, Eog Resources, Inc., Mcmullen County, 344 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 344 thousand reported
YEAGER — gas, Texaco E & P Inc., Mcmullen County, 343 thousand reported
FOKKER UNIT — oil, Verdun Oil & Gas LLC, Mcmullen County, 343 thousand reported
COUNTISS PS2 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 343 thousand reported
HAT CREEK A — oil, Eog Resources, Inc., Mcmullen County, 343 thousand reported
WR "K" — gas, Swift Energy Company, Mcmullen County, 343 thousand reported
LINDHOLM 80 — gas, Hanson Production Company, Mcmullen County, 342 thousand reported
SCREAMING EAGLE A — gas, Primera Energy, LLC, Mcmullen County, 342 thousand reported
NBR EF — gas, Swift Energy Operating, LLC, Mcmullen County, 340 thousand reported
Y-BAR UNIT A — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 340 thousand reported
HAGIST RANCH NORTH — gas, Devon Energy Production Co, L.P., Mcmullen County, 338 thousand reported
HUFF — gas, Dale Operating Company, Mcmullen County, 337 thousand reported
MCKENZIE HC10 MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 337 thousand reported
SWR "M" — gas, Swift Energy Operating, LLC, Mcmullen County, 337 thousand reported
W. R. — gas, Swift Energy Company, Mcmullen County, 336 thousand reported
WR "K" — gas, Swift Energy Company, Mcmullen County, 336 thousand reported
ZR UNIT "A" — gas, Swift Energy Company, Mcmullen County, 335 thousand reported
MCCLAUGHERTY, L. S. "A" — gas, Swift Energy Company, Mcmullen County, 335 thousand reported
SOUTH TEXAS SYNDICATE -G- — gas, Swift Energy Company, Mcmullen County, 335 thousand reported
CUTTER CREEK 'A' — oil, Comstock Oil & Gas, LP, Mcmullen County, 335 thousand reported
SWR "M" — gas, Swift Energy Company, Mcmullen County, 334 thousand reported
R. A. BRACKEN — gas, Talisman Energy USA Inc., Mcmullen County, 334 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 333 thousand reported
GUBBELS UNIT D — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 333 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 333 thousand reported
HENRY, E. M. — gas, Premier Operating Company, Mcmullen County, 331 thousand reported
WR "A" — gas, Swift Energy Company, Mcmullen County, 331 thousand reported
VALKYRIE B — oil, Eog Resources, Inc., Mcmullen County, 331 thousand reported
NBRP EF — gas, Swift Energy Operating, LLC, Mcmullen County, 330 thousand reported
SWR "H" — gas, Swift Energy Company, Mcmullen County, 330 thousand reported
STS C — gas, BPX Operating Company, Mcmullen County, 329 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 329 thousand reported
STS C — gas, BPX Operating Company, Mcmullen County, 326 thousand reported
BRACKEN "B" — gas, Dale Operating Company, Mcmullen County, 326 thousand reported
DILWORTH RANCH — gas, Rosewood Resources, Inc., Mcmullen County, 326 thousand reported
SBR "B" — gas, Swift Energy Company, Mcmullen County, 326 thousand reported
ALLEN MCM — oil, Sea Eagle Ford, LLC, Mcmullen County, 325 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 325 thousand reported
FOLEY MCM — oil, Chesapeake Operating, Inc., Mcmullen County, 325 thousand reported
SWR "H" — gas, Swift Energy Company, Mcmullen County, 325 thousand reported
G.L. HAYES EF A — oil, Silverbow Resources Oper, LLC, Mcmullen County, 325 thousand reported
PALOMA-HORTON QUINTANILLA — oil, Welhausen Operating Company, LP, Mcmullen County, 325 thousand reported
GOUGER GU 4 O/A — gas, Simray Operating Corp., Mcmullen County, 325 thousand reported
BRACKEN "B" — gas, Swift Energy Operating, LLC, Mcmullen County, 324 thousand reported
MCKENZIE UNIT L — oil, Chesapeake Operating, Inc., Mcmullen County, 323 thousand reported
WHEELER, COLE JEARL — gas, Columbia Energy Properties, Inc., Mcmullen County, 322 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 322 thousand reported
HENRY, J.B. — oil, Hawn Brothers Company, Mcmullen County, 321 thousand reported
COUNTISS PS3 — oil, Chesapeake Operating, L.L.C., Mcmullen County, 321 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.