Oil and gas leases in Starr County — page 6

Starr County, Texas has 3,285 oil and gas leases with production on file at the Railroad Commission, all of them in Commission district 04. 434 of them are oil leases and 2,851 are gas leases. Between them they carry 3,688 wellbores. Reported volumes run from January 1993 to August 2026 and come to 16.6 million barrels of oil and 3.1 billion Mcf of gas. 245 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 Starr County

How many oil and gas leases are in Starr County?
Starr County has 3,285 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Starr County produced?
Leases in Starr County have reported 16,596,226 barrels of oil (bbl) and 3,108,595,775 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Starr County?
245 operators file production returns for leases in Starr County.
How much are mineral rights in Starr County worth?
There is no single figure: what a mineral or royalty interest in Starr County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 3,285 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 17

  • DE FLORES, M. S. — gas, El Paso Production Oil & Gas Co., Starr County, 735 thousand reported
  • 3 M — gas, Newgulf Petroleum, LLC, Starr County, 733 thousand reported
  • SLICK STATE "B" — gas, Smith Production Inc., Starr County, 732 thousand reported
  • CHAMPION, A. A. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 731 thousand reported
  • COATES 553 — gas, Texas Independent Explor., Inc., Starr County, 731 thousand reported
  • SLICK, T.B. ESTATE "A" — gas, Texas Independent Explor., Inc., Starr County, 730 thousand reported
  • JUDD ESTATE-STATE — gas, Shell Western E&P Inc., Starr County, 730 thousand reported
  • BENTSEN BROS. "A" — gas, Texas Independent Explor Ltd., Starr County, 729 thousand reported
  • CARDENAS, R.R. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 728 thousand reported
  • GUTIERREZ — gas, Samedan Oil Corporation, Starr County, 727 thousand reported
  • SLICK STATE "B" — gas, Edge Petroleum Oper. Co., Inc., Starr County, 727 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 725 thousand reported
  • MARTINEZ, B — gas, Samedan Oil Corporation, Starr County, 724 thousand reported
  • SPEER, GEO. H. ST "B" — gas, Oryx Energy Company, Starr County, 723 thousand reported
  • SEMMES TRUST, ET AL 906 — gas, Conoco Inc., Starr County, 722 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 722 thousand reported
  • STATE SLICK D — gas, Totalfinaelf E&P USA Inc, Starr County, 720 thousand reported
  • BENTSEN, L. M. — gas, Quisto Expl. & Production, L.C., Starr County, 718 thousand reported
  • ALVAREZ-HINOJOSA GAS UNIT — gas, Oryx Energy Company, Starr County, 717 thousand reported
  • SLICK, T. B. ESTATE — gas, Oxy USA Inc., Starr County, 716 thousand reported
  • ZARSKY, FRANK — gas, Wagner, Duer & Co., Starr County, 715 thousand reported
  • HERMAN, A. G., JR. GAS UNIT — gas, Oryx Energy Company, Starr County, 715 thousand reported
  • CAMERON 137 — gas, Texas Independent Explor Ltd., Starr County, 715 thousand reported
  • FLORES GAS UNIT — gas, U.S. Enercorp, Ltd., Starr County, 715 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 714 thousand reported
  • BTLT — gas, Smith Production Inc., Starr County, 714 thousand reported
  • WOOD-WARDNER — gas, Mortimer Production Company, Starr County, 713 thousand reported
  • SLICK, T.B. EST.-A- 529 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 711 thousand reported
  • ALVARADO, FRANCISCO ET UX — gas, Texas Independent Explor., Inc., Starr County, 711 thousand reported
  • T B SLICK ESTATE — gas, Total E&P USA, Inc., Starr County, 710 thousand reported
  • SLICK 531 — gas, Texas Independent Explor., Inc., Starr County, 710 thousand reported
  • MC KINNEY, A. — gas, Oryx Energy Company, Starr County, 710 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 709 thousand reported
  • SLICK, T.B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 705 thousand reported
  • YTURRIA L&L CO. -B- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 704 thousand reported
  • GARCIA L&L CO. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 704 thousand reported
  • MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 703 thousand reported
  • GUERRA MINERAL TRUST — gas, Eog Resources, Inc., Starr County, 703 thousand reported
  • GARCIA L & L COMPANY "C" — gas, Oryx Energy Company, Starr County, 703 thousand reported
  • CARDENAS, R. R. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 702 thousand reported
  • MCGILL BROS. — gas, Coronado Energy E&P Company, LLC, Starr County, 701 thousand reported
  • MONTALVO, N. R. — gas, Exxon Corp., Starr County, 698 thousand reported
  • GUERRA-U.S.A. GAS UNIT "D" — gas, Coastal Oil & Gas Corporation, Starr County, 698 thousand reported
  • BARRERA — gas, Peoples Energy Prod.-TX, L.P., Starr County, 695 thousand reported
  • GARCIA "B" — gas, Peoples Energy Prod.-TX, L.P., Starr County, 694 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 694 thousand reported
  • GARCIA, J.A. — gas, Oryx Energy Company, Starr County, 693 thousand reported
  • RODRIGUEZ — gas, Kebo Oil & Gas, Inc., Starr County, 692 thousand reported
  • HALL, C. M. -A- — gas, Killam Oil Co., Ltd., Starr County, 691 thousand reported
  • NILO SHALLOW A GU — gas, Enron Oil & Gas Company, Starr County, 690 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 689 thousand reported
  • REILLY HEIRS — gas, Oryx Energy Company, Starr County, 689 thousand reported
  • SLICK ESTATE — gas, True Oil Company, Starr County, 689 thousand reported
  • GARZA ZAMORA ENERGY TRUST — gas, El Paso E & P Company, L. P., Starr County, 689 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 688 thousand reported
  • GARCIA — gas, Touchstone Resources USA, Inc., Starr County, 687 thousand reported
  • U.S.A.-GUERRA "B" GAS UNIT — gas, Coastal Oil & Gas Corporation, Starr County, 684 thousand reported
  • YZAGUIRRE — gas, Texas Independent Explor., Inc., Starr County, 684 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 679 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Forest Oil Corporation, Starr County, 679 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 678 thousand reported
  • BLOOMBERG, SAMUEL D — gas, Smith Production Inc., Starr County, 678 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Edge Petroleum Oper. Co., Inc., Starr County, 677 thousand reported
  • YZAGUIRRE — gas, Texas Independent Explor., Inc., Starr County, 675 thousand reported
  • FROST NATIONAL BANK -A- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 674 thousand reported
  • LAS ESCOBAS — gas, Eog Resources, Inc., Starr County, 674 thousand reported
  • GARCIA "B" — gas, Pitco Investments, Ltd., Starr County, 674 thousand reported
  • HMC-TIE LA BRISA — gas, Texas Independent Explor., Inc., Starr County, 674 thousand reported
  • HALL, J.F. STATE -A- — gas, Oryx Energy Company, Starr County, 673 thousand reported
  • DE GARCIA, B. G. — gas, Oryx Energy Company, Starr County, 673 thousand reported
  • GARCIA, I.Y. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 673 thousand reported
  • STARRPRO MINERALS 'C1' GAS UNIT — gas, Legend Natural Gas III, LP, Starr County, 670 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 668 thousand reported
  • FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 667 thousand reported
  • CLEOPATRA — gas, Milagro Exploration, LLC, Starr County, 665 thousand reported
  • SAGA — gas, El Paso E & P Company, L. P., Starr County, 665 thousand reported
  • FLORES GAS UNIT — gas, Metano Energy, LP, Starr County, 664 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 661 thousand reported
  • SLICK STATE "B" — gas, Edge Petroleum Oper. Co., Inc., Starr County, 660 thousand reported
  • FALCON — gas, Smith Production Inc., Starr County, 659 thousand reported
  • MCGILL BROS. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 658 thousand reported
  • HALL, C. M. -A- — gas, Oryx Energy Company, Starr County, 658 thousand reported
  • GARCIA L&L CO. — gas, Oryx Energy Company, Starr County, 658 thousand reported
  • DON CAMERON ET AL GAS UNIT — gas, Ascent Energy, Inc, Starr County, 658 thousand reported
  • GARCIA LAND AND LIVESTOCK — gas, Hughes, Dan A. Company, L.P., Starr County, 656 thousand reported
  • HALL, C. M. — gas, Oryx Energy Company, Starr County, 656 thousand reported
  • EXXON FEE — gas, Enron Oil & Gas Company, Starr County, 653 thousand reported
  • SAMANO — gas, Smith Production Inc., Starr County, 653 thousand reported
  • MAYFAIR LABRISA — gas, Hanson Production Company, Starr County, 653 thousand reported
  • SLICK, T.B. ESTATE A — gas, Conoco Inc., Starr County, 653 thousand reported
  • BENTSEN BROS. "A" — gas, Texas Independent Explor Ltd., Starr County, 652 thousand reported
  • CARDENAS, R.R. — gas, Oryx Energy Company, Starr County, 652 thousand reported
  • SPEER, GEO. H. STATE -D- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 651 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Edge Petroleum Oper. Co., Inc., Starr County, 651 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Hanson Production Company, Starr County, 650 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 650 thousand reported
  • SLICK, T. B. A-527 — oil, Conoco Inc., Starr County, 650 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Forest Oil Corporation, Starr County, 649 thousand reported
  • FINA-CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 648 thousand reported
  • REILLY HEIRS — gas, Oryx Energy Company, Starr County, 648 thousand reported
  • BLOCK-GUERRA — gas, Wagner, Duer & Co., Starr County, 646 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 646 thousand reported
  • YZAGUIRRE 227 — gas, Texas Independent Explor., Inc., Starr County, 646 thousand reported
  • BLOOMBERG — gas, Bass Enterprises Production Co., Starr County, 646 thousand reported
  • THOMAS-RIFE GAS UNIT — gas, Shell Western E&P, Starr County, 646 thousand reported
  • SPEER, GEO. H. -STATE -D- — gas, Oryx Energy Company, Starr County, 644 thousand reported
  • SLICK, T. B. ESTATE 533 — gas, Shell Western E&P, Starr County, 644 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 644 thousand reported
  • GARCIA - GONZALES GAS UNIT — gas, Sanchez-O'Brien Oil & Gas Corp., Starr County, 640 thousand reported
  • SLICK, T. B. A-229 — oil, Conoco Inc., Starr County, 640 thousand reported
  • GUERRA, ET AL. — gas, Epstein, Edwin A JR Oper Co Inc, Starr County, 640 thousand reported
  • GUERRA, H.P. JR ET AL — gas, Coastal Oil & Gas Corporation, Starr County, 640 thousand reported
  • COATES 553 — gas, Texas Independent Explor., Inc., Starr County, 638 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Edge Petroleum Oper. Co., Inc., Starr County, 638 thousand reported
  • SLICK, T. B. ESTATE — gas, Oxy USA Inc., Starr County, 637 thousand reported
  • GUERRA BROTHERS G. U. — gas, Texas Independent Explor., Inc., Starr County, 636 thousand reported
  • T. B. SLICK ESTATE — gas, Fina Oil & Chemical Company, Starr County, 635 thousand reported
  • BLOCK — gas, Hughes, Dan A. Company, L.P., Starr County, 635 thousand reported
  • M. E. EVANS ET AL UNIT — gas, BNP Petroleum Corporation, Starr County, 634 thousand reported
  • MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 633 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 633 thousand reported
  • NIMMO GAS UNIT NO. 1 — gas, Ascent Energy, Inc, Starr County, 633 thousand reported
  • CNG ET AL UNIT — gas, BNP Petroleum Corporation, Starr County, 632 thousand reported
  • MCGILL BROS. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 631 thousand reported
  • JUDD ESTATE-STATE — gas, Shell Western E&P, Starr County, 631 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 629 thousand reported
  • STATE OF TEXAS — gas, Hanson Production Company, Starr County, 629 thousand reported
  • REILLY GAS UNIT — gas, Oryx Energy Company, Starr County, 628 thousand reported
  • CANALES — gas, Eog Resources, Inc., Starr County, 628 thousand reported
  • SLICK, T. B. ESTATE B — gas, Conoco Inc., Starr County, 627 thousand reported
  • SLICK, T.B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 627 thousand reported
  • VILLARREAL — gas, Peoples Energy Prod.-TX, L.P., Starr County, 625 thousand reported
  • SEMMES TRUST, ET. AL. "906" — gas, Conoco Inc., Starr County, 622 thousand reported
  • GUERRA, R.R. — gas, Bommer Engineering Co., Starr County, 621 thousand reported
  • GARCIA, I. Y. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 620 thousand reported
  • GARCIA, I. Y. — gas, Oryx Energy Company, Starr County, 619 thousand reported
  • SLICK EST. -C- — gas, Oryx Energy Company, Starr County, 619 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Edge Petroleum Oper. Co., Inc., Starr County, 618 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 614 thousand reported
  • REILLY HEIRS — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 612 thousand reported
  • SLICK — gas, Texas Independent Explor., Inc., Starr County, 612 thousand reported
  • SLICK, T. B. ESTATE — gas, Oxy USA Inc., Starr County, 612 thousand reported
  • STARR PRODUCE CO. GU — gas, Legend Natural Gas III, LP, Starr County, 612 thousand reported
  • I. V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 611 thousand reported
  • ZIMMERMAN, R.M. — gas, Quisto Expl. & Production, L.C., Starr County, 610 thousand reported
  • GUERRA BROS. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 609 thousand reported
  • SOUTHWEST TEXAS CORP "F" — gas, Eog Resources, Inc., Starr County, 609 thousand reported
  • SAMANO — gas, Smith Production Inc., Starr County, 605 thousand reported
  • ZAMORA STATE — gas, El Paso E & P Company, L. P., Starr County, 605 thousand reported
  • HENSLEY-YTURRIA — gas, Carrizo Oil & Gas, Inc., Starr County, 605 thousand reported
  • T. B. SLICK B-536 — gas, Conoco Inc., Starr County, 604 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 604 thousand reported
  • PISTOL HILL — gas, Kebo Oil & Gas, Inc., Starr County, 603 thousand reported
  • MCGILL BROS. — gas, Overton Park Oil & Gas LP, Starr County, 603 thousand reported
  • MAYFAIR LA BRISA — gas, Hanson Production Company, Starr County, 602 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 601 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 601 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 600 thousand reported
  • SHEERIN,IRENE-TEXAS STATE — gas, Neuhaus, V. F. Properties, Inc., Starr County, 599 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 599 thousand reported
  • SLICK, T. B. ESTATE 533 — gas, Shell Western E&P, Starr County, 598 thousand reported
  • RICHMOND — gas, Smith Production Inc., Starr County, 596 thousand reported
  • GARZA-HITCHCOCK G.U. — gas, Roc Operating, Inc., Starr County, 595 thousand reported
  • CLEOPATRA — gas, Milagro Exploration, LLC, Starr County, 594 thousand reported
  • DOLORES S. SOLIS GAS UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 594 thousand reported
  • BENTSEN BROS. "B" — gas, Shell Western E&P, Starr County, 593 thousand reported
  • BENTSEN — gas, Legacy Corporation, The, Starr County, 591 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 591 thousand reported
  • BENTSEN BROS. - STATE — gas, Shell Western E&P, Starr County, 589 thousand reported
  • MCGILL BROS. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 589 thousand reported
  • GUERRA GU "D" — gas, Coastal Oil & Gas Corporation, Starr County, 586 thousand reported
  • CAMERON, DON ET AL — gas, Paladin-Hayes, L.L.C., Starr County, 584 thousand reported
  • HMC-TIE LA BRISA — gas, Texas Independent Explor., Inc., Starr County, 584 thousand reported
  • CAMERON 487 — gas, Texas Independent Explor., Inc., Starr County, 583 thousand reported
  • BLISS — gas, El Paso Production Oil & Gas Co., Starr County, 583 thousand reported
  • SLICK — gas, Texas Independent Explor., Inc., Starr County, 581 thousand reported
  • ALVAREZ-HINOJOSA GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 580 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 580 thousand reported
  • GUERRA, F. B. ESTATE -B- — gas, PG&E Resources Company, Starr County, 580 thousand reported
  • ALVAREZ-HINOJOSA GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 579 thousand reported
  • SLICK, T. B. ESTATE — gas, Oxy USA Inc., Starr County, 577 thousand reported
  • HALL, C. M. -B- — gas, Oryx Energy Company, Starr County, 576 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Forest Oil Corporation, Starr County, 575 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 575 thousand reported
  • MARGO — gas, Newgulf Petroleum, LLC, Starr County, 574 thousand reported
  • MARTINEZ, F. F. 546 — gas, Texas Independent Explor., Inc., Starr County, 574 thousand reported
  • GARCIA BB — gas, Wagner Oil Company, Starr County, 573 thousand reported
  • GARCIA, I. Y. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 573 thousand reported
  • SAENZ, VICENTE -STATE -C- — gas, Exxon Corp., Starr County, 572 thousand reported
  • STATE OF TEXAS — gas, Hanson Production Company, Starr County, 572 thousand reported
  • SAMANO — gas, El Paso Production Oil & Gas Co., Starr County, 572 thousand reported
  • GUERRA, F.B., ESTATE -B- — gas, PG&E Resources Company, Starr County, 569 thousand reported
  • HERMANN, A.G. GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 568 thousand reported
  • SLICK STATE 'B' — gas, Apache Corporation, Starr County, 565 thousand reported
  • ROOS, ET AL — gas, Transtexas Gas Corporation, Starr County, 564 thousand reported
  • M. E. EVANS ET AL UNIT — gas, BNP Petroleum Corporation, Starr County, 563 thousand reported
  • A. G. HERMAN GAS UNIT — gas, Oryx Energy Company, Starr County, 563 thousand reported
  • BILLUPS — gas, Eog Resources, Inc., Starr County, 563 thousand reported
  • NIMMO GAS UNIT NO. 1 — gas, Ascent Energy, Inc, Starr County, 563 thousand reported
  • SPEER, GEO. H. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 562 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.