Oil and gas leases in Mcmullen County — page 4

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 4 of 14

GW DEEP GAS UNIT 2 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 911 thousand reported
KAREN WHEELER UNIT 1 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 908 thousand reported
CORVETTE C — oil, Abraxas Petroleum Corporation, Mcmullen County, 908 thousand reported
FORREST WHEELER 10 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 905 thousand reported
SHELL SHOCK UNIT — gas, Verdun Oil & Gas LLC, Mcmullen County, 905 thousand reported
FRANKLIN — gas, Talisman Energy USA Inc., Mcmullen County, 905 thousand reported
GW DEEP GAS UNIT 3 — gas, Petrohawk Operating Company, Mcmullen County, 905 thousand reported
R. BRACKEN — gas, Swift Energy Operating, LLC, Mcmullen County, 904 thousand reported
WHEELER 2 — gas, Petrohawk Operating Company, Mcmullen County, 902 thousand reported
GW DEEP GAS UNIT 2 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 899 thousand reported
DILWORTH 34 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 897 thousand reported
STURMTRUPPEN UNIT — gas, Verdun Oil & Gas LLC, Mcmullen County, 897 thousand reported
MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 896 thousand reported
MORRILL UNIT H — oil, Burlington Resources O & G Co LP, Mcmullen County, 894 thousand reported
BRACKEN RANCH — oil, Awp Operating Company, Mcmullen County, 893 thousand reported
BIG BERTHA UNIT — gas, Verdun Oil & Gas LLC, Mcmullen County, 893 thousand reported
STS C - STS NORTH 10 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 892 thousand reported
FORREST WHEELER 19 — gas, BPX Operating Company, Mcmullen County, 892 thousand reported
RYAN — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 890 thousand reported
CORNER S RANCH MCM — oil, Chesapeake Operating, Inc., Mcmullen County, 889 thousand reported
BRACKEN RANCH — gas, Awp Operating Company, Mcmullen County, 889 thousand reported
GOUGER, H. E. — gas, Sklar Exploration Company LLC, Mcmullen County, 886 thousand reported
BRACKEN "A" — gas, Dale Operating Company, Mcmullen County, 885 thousand reported
DOUGHBOYS — gas, Verdun Oil & Gas LLC, Mcmullen County, 885 thousand reported
DILWORTH 15 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 884 thousand reported
GLORIA WHEELER "A" — oil, Comstock Oil & Gas, LP, Mcmullen County, 881 thousand reported
MORRILL-DREADNOUGHT — gas, Verdun Oil & Gas LLC, Mcmullen County, 879 thousand reported
SPICE GAS UNIT — gas, Texaco E & P Inc., Mcmullen County, 878 thousand reported
K. R. BRACKEN — gas, Talisman Energy USA Inc., Mcmullen County, 878 thousand reported
GLAU, J. — gas, BNP Petroleum Corporation, Mcmullen County, 877 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 877 thousand reported
DILWORTH — gas, BPX Operating Company, Mcmullen County, 875 thousand reported
SWR "B" — gas, Swift Energy Company, Mcmullen County, 874 thousand reported
TEXACO FEE GAS UNIT — gas, Bass Enterprises Production Co., Mcmullen County, 874 thousand reported
STS C NORTH UNIT X — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 872 thousand reported
GLORIA WHEELER 'C' — oil, Comstock Oil & Gas, LP, Mcmullen County, 871 thousand reported
NAYLOR JONES UNIT 44 WEST — gas, Eog Resources, Inc., Mcmullen County, 870 thousand reported
SOUTH TEXAS SYNDICATE -G- — gas, Swift Energy Company, Mcmullen County, 870 thousand reported
MCCLAUGHERTY UNIT — gas, Xto Energy Inc., Mcmullen County, 870 thousand reported
LOWE — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 867 thousand reported
74 RANCH SPECIAL UNIT WEST — oil, Marathon Oil Ef LLC, Mcmullen County, 864 thousand reported
F.T. — gas, Swift Energy Company, Mcmullen County, 863 thousand reported
BRACKEN "F" — gas, Dale Operating Company, Mcmullen County, 861 thousand reported
NAYLOR JONES UNIT 2 — oil, Eog Resources, Inc., Mcmullen County, 861 thousand reported
MORRILL UNIT I — oil, Burlington Resources O & G Co LP, Mcmullen County, 860 thousand reported
Q-BALLARD EFS — oil, Sea Eagle Ford, LLC, Mcmullen County, 858 thousand reported
EDWARDS A — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 856 thousand reported
MCCLAUGHERTY UNIT — gas, Xto Energy Inc., Mcmullen County, 855 thousand reported
CORTEZ 'G' — oil, Comstock Oil & Gas, LP, Mcmullen County, 853 thousand reported
MCCLAUGHERTY, I. O. — gas, Inland Ocean, Inc., Mcmullen County, 853 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 851 thousand reported
PENN, STELLA — gas, Cabot Oil & Gas Corporation, Mcmullen County, 850 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 849 thousand reported
STS C - STS NORTH 9 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 844 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 843 thousand reported
WHITE STAR — gas, Verdun Oil & Gas LLC, Mcmullen County, 842 thousand reported
RYAN 1795 O — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 842 thousand reported
GUBBELS — oil, Enerquest Operating L.L.C., Mcmullen County, 842 thousand reported
MCCLAUGHERTY — gas, Talisman Energy USA Inc., Mcmullen County, 839 thousand reported
LOWE — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 839 thousand reported
KUYKENDALL — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 836 thousand reported
NAYLOR JONES UNIT 11 — oil, Eog Resources, Inc., Mcmullen County, 834 thousand reported
RHODE RANCH — gas, Hurd Enterprises, Ltd., Mcmullen County, 834 thousand reported
EDWARDS UNIT — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 833 thousand reported
DILWORTH 35 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 832 thousand reported
BAKER, EARL — gas, Rutherford Oil Corporation, Mcmullen County, 832 thousand reported
R. A. BRACKEN — gas, Talisman Energy USA Inc., Mcmullen County, 831 thousand reported
SBR "B" — gas, Swift Energy Company, Mcmullen County, 830 thousand reported
NAYLOR JONES UNIT 44 WEST — gas, Eog Resources, Inc., Mcmullen County, 829 thousand reported
BRACKEN — gas, Swift Energy Company, Mcmullen County, 829 thousand reported
LOWE — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 823 thousand reported
HORTON, R. P. ET AL — gas, Dreyfus, Louis Natural Gas Corp, Mcmullen County, 822 thousand reported
STS C — gas, Petrohawk Operating Company, Mcmullen County, 821 thousand reported
RANCHO LAGO VISTA — gas, Petrohawk Operating Company, Mcmullen County, 814 thousand reported
GOUGER GAS UNIT NO. 5 O/A — gas, Bridge Oil Company, L. P., Mcmullen County, 814 thousand reported
STS C — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 811 thousand reported
WESLEY SWAIM — oil, Talisman Energy USA Inc., Mcmullen County, 811 thousand reported
ARMSTRONG HORIZONTAL UNIT — oil, Eog Resources, Inc., Mcmullen County, 810 thousand reported
FORREST WHEELER 21 — gas, BPX Operating Company, Mcmullen County, 810 thousand reported
FORREST WHEELER B 13 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 808 thousand reported
LOCKE PARTNERSHIP — oil, Eog Resources, Inc., Mcmullen County, 807 thousand reported
SWR "B" — gas, Swift Energy Company, Mcmullen County, 806 thousand reported
SMITH, C. C. — gas, American Exploration Company, Mcmullen County, 806 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 805 thousand reported
AERY — oil, Talisman Energy USA Inc., Mcmullen County, 805 thousand reported
GREEN SWAIM — oil, Talisman Energy USA Inc., Mcmullen County, 803 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 801 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 801 thousand reported
SP5 — oil, Blackbrush O & G, LLC, Mcmullen County, 800 thousand reported
R. A. BRACKEN — gas, Talisman Energy USA Inc., Mcmullen County, 799 thousand reported
DILWORTH 37 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 797 thousand reported
FORREST WHEELER B 14 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 793 thousand reported
FRANKLIN — gas, Talisman Energy USA Inc., Mcmullen County, 790 thousand reported
FRANKLIN — gas, Talisman Energy USA Inc., Mcmullen County, 788 thousand reported
LOTTIE LEE B — oil, Eog Resources, Inc., Mcmullen County, 788 thousand reported
RYAN O — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 786 thousand reported
DONNELL A — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 786 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 785 thousand reported
BIG BERTHA UNIT — gas, Verdun Oil & Gas LLC, Mcmullen County, 784 thousand reported
SMITH-WEST UNIT — oil, Marathon Oil Ef LLC, Mcmullen County, 782 thousand reported
DONNELL B — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 780 thousand reported
DONNELL A — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 779 thousand reported
MORRILL UNIT D — gas, Carrizo (Eagle Ford) LLC, Mcmullen County, 777 thousand reported
MUSTANG — oil, Abraxas Petroleum Corporation, Mcmullen County, 776 thousand reported
GUBBELS UNIT A — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 775 thousand reported
MCCLAUGHERTY UNIT — gas, Xto Energy Inc., Mcmullen County, 775 thousand reported
DILWORTH 31 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 773 thousand reported
RICK DAY UNIT 1 — gas, Petrohawk Operating Company, Mcmullen County, 772 thousand reported
CARON UNIT B — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 771 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 770 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 769 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 768 thousand reported
NAYLOR JONES C — oil, Eog Resources, Inc., Mcmullen County, 767 thousand reported
NAYLOR JONES B — gas, Eog Resources, Inc., Mcmullen County, 766 thousand reported
MCCLAUGHERTY, L. S. — gas, Swift Energy Company, Mcmullen County, 765 thousand reported
TEAL UNIT C — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 764 thousand reported
CORTEZ 'E' — oil, Comstock Oil & Gas, LP, Mcmullen County, 764 thousand reported
HARROD-MCCLAUGHERTY UNIT — gas, Xto Energy Inc., Mcmullen County, 763 thousand reported
SMR JV EF — oil, Swift Energy Operating, LLC, Mcmullen County, 763 thousand reported
BILBO UNIT — oil, Eog Resources, Inc., Mcmullen County, 760 thousand reported
WHEELER — gas, Sutton Producing Corp., Mcmullen County, 758 thousand reported
HARROD-MCCLAUGHERTY UNIT — gas, Xto Energy Inc., Mcmullen County, 755 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 755 thousand reported
PC-Q EF — gas, Swift Energy Operating, LLC, Mcmullen County, 753 thousand reported
HOWITZER — oil, Verdun Oil & Gas LLC, Mcmullen County, 753 thousand reported
PEELER UNIT I MCM — oil, Chesapeake Operating, L.L.C., Mcmullen County, 753 thousand reported
FORREST WHEELER B 12 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 750 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 748 thousand reported
FORREST WHEELER 'B' — gas, Petrohawk Operating Company, Mcmullen County, 748 thousand reported
SWR "B" — gas, Swift Energy Company, Mcmullen County, 748 thousand reported
DOUGHBOYS — gas, Verdun Oil & Gas LLC, Mcmullen County, 747 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 746 thousand reported
RHODE RANCH — gas, Hurd Enterprises, Ltd., Mcmullen County, 744 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 744 thousand reported
SWENSON 'C' — oil, Comstock Oil & Gas, LP, Mcmullen County, 743 thousand reported
TYLER RANCH — gas, Aurora Resources Corporation, Mcmullen County, 742 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 742 thousand reported
QUINTANILLA — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 742 thousand reported
RHODE RANCH — gas, Hurd Enterprises, Ltd., Mcmullen County, 741 thousand reported
SMITH — gas, American Exploration Company, Mcmullen County, 741 thousand reported
WHITE STAR — gas, Verdun Oil & Gas LLC, Mcmullen County, 736 thousand reported
F. T. — gas, Swift Energy Company, Mcmullen County, 736 thousand reported
MORRILL-DREADNOUGHT — gas, Mcmullen County, 736 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 735 thousand reported
BAKER, EARL — gas, Gruy Petroleum Management Co., Mcmullen County, 732 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 731 thousand reported
TEAL UNIT A — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 729 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 729 thousand reported
WALKER — oil, Marathon Oil Ef LLC, Mcmullen County, 729 thousand reported
FOX CREEK RANCH UNIT A — oil, Union Gas Operating Company, Mcmullen County, 724 thousand reported
ANTHONY FOREST PRODUCTS — gas, Swift Energy Operating, LLC, Mcmullen County, 724 thousand reported
BEK UNIT — oil, Murphy Expl. & Prod. Co. - USA, Mcmullen County, 723 thousand reported
NAYLOR JONES UNIT 44 WEST — gas, Eog Resources, Inc., Mcmullen County, 722 thousand reported
GW DEEP GAS UNIT 1 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 721 thousand reported
ANTHONY FOREST PRODUCTS — gas, Swift Energy Operating, LLC, Mcmullen County, 721 thousand reported
SWR "H" — gas, Swift Energy Company, Mcmullen County, 719 thousand reported
STS A - 692 — oil, Hunt Oil Company, Mcmullen County, 719 thousand reported
BRACKEN-JV — gas, Swift Energy Operating, LLC, Mcmullen County, 719 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 718 thousand reported
ACKER UNIT — gas, Delta Exploration Company, Inc., Mcmullen County, 716 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 715 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 709 thousand reported
CORVETTE A — oil, Abraxas Petroleum Corporation, Mcmullen County, 708 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 707 thousand reported
HOSTETTER — gas, Texaco E & P Inc., Mcmullen County, 706 thousand reported
SPICE GAS UNIT — gas, Texaco E & P Inc., Mcmullen County, 704 thousand reported
DICKINSON UNIT E — gas, Chesapeake Operating, Inc., Mcmullen County, 704 thousand reported
F. T. — gas, Swift Energy Company, Mcmullen County, 702 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 701 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 701 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 701 thousand reported
SBR "A" — gas, Swift Energy Company, Mcmullen County, 700 thousand reported
GW DEEP GAS UNIT 1 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 700 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 699 thousand reported
DONNELL A — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 699 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 699 thousand reported
DONNELL A — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 699 thousand reported
WR "A" — gas, Swift Energy Company, Mcmullen County, 698 thousand reported
GLORIA WHEELER "B" — oil, Comstock Oil & Gas, LP, Mcmullen County, 698 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 697 thousand reported
COUNTISS UNIT II — oil, Chesapeake Operating, Inc., Mcmullen County, 697 thousand reported
TEAL RANCH — gas, Paleo Oil Company LLC, Mcmullen County, 696 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 696 thousand reported
FRANKLIN — gas, Talisman Energy USA Inc., Mcmullen County, 695 thousand reported
RENSHAW UNIT — gas, South Texas Limited Partnership, Mcmullen County, 694 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 693 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 692 thousand reported
STS C — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 691 thousand reported
MCKENZIE UNIT J — oil, Chesapeake Operating, Inc., Mcmullen County, 690 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 689 thousand reported
DICKINSON, J. H. — gas, Blackbrush O & G, Inc., Mcmullen County, 689 thousand reported
FRANKLIN — gas, Talisman Energy USA Inc., Mcmullen County, 689 thousand reported
SBR — gas, Swift Energy Company, Mcmullen County, 688 thousand reported
PC-Q EF — gas, Swift Energy Operating, LLC, Mcmullen County, 687 thousand reported
BRACKEN ET AL — gas, Swift Energy Company, Mcmullen County, 687 thousand reported
FORREST WHEELER 4 — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 686 thousand reported
EDWARDS — gas, Petrohawk Operating Company, Mcmullen County, 686 thousand reported
DONNELL MINERALS 1 UNIT — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 684 thousand reported
DONNELL A — gas, BHP Billiton Pet(Txla Op) Co, Mcmullen County, 684 thousand reported
DILWORTH GAS UNIT #1 — gas, Exxon Corp., Mcmullen County, 684 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.