Oil and gas leases in Dimmit County — page 9

Dimmit County, Texas has 3,749 oil and gas leases with production on file at the Railroad Commission. 1,161 of them are oil leases and 2,588 are gas leases. Between them they carry 6,896 wellbores. Reported volumes run from January 1993 to August 2026 and come to 390.3 million barrels of oil and 2.1 billion Mcf of gas. 229 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 Dimmit County

How many oil and gas leases are in Dimmit County?
Dimmit County has 3,749 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Dimmit County produced?
Leases in Dimmit County have reported 390,343,792 barrels of oil (bbl) and 2,117,398,380 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Dimmit County?
229 operators file production returns for leases in Dimmit County.
How much are mineral rights in Dimmit County worth?
There is no single figure: what a mineral or royalty interest in Dimmit County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 3,749 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 9 of 19

  • BRISCOE CATARINA WEST UNIT A — gas, Dimmit County, 665 thousand reported
  • SAMKAT EFS — oil, Ranger O & G Operating, LLC, Dimmit County, 664 thousand reported
  • MORO CREEK — gas, Newfield Exploration Company, Dimmit County, 663 thousand reported
  • HATCH-CENIZO DIM EAST — gas, Trinity Operating (Usg), LLC, Dimmit County, 663 thousand reported
  • BRISCOE CHIP EAST RANCH — gas, Anadarko E&P Company LP, Dimmit County, 662 thousand reported
  • GIBSON DIM — gas, Ineos USA Oil & Gas LLC, Dimmit County, 662 thousand reported
  • BIG WELLS SOUTH UNIT 10 DIM — gas, Ineos USA Oil & Gas LLC, Dimmit County, 661 thousand reported
  • BRISCOE CATARINA NORTH — gas, SN Ef Maverick, LLC, Dimmit County, 660 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 660 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Onshore LLC, Dimmit County, 659 thousand reported
  • CMWW A — gas, Newfield Exploration Company, Dimmit County, 659 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 658 thousand reported
  • FOGMT — gas, Anadarko E&P Company LP, Dimmit County, 657 thousand reported
  • TRES RAMAS EF — gas, Rosewood Resources, Inc., Dimmit County, 656 thousand reported
  • FAITH-YANA — gas, Chesapeake Operating, Inc., Dimmit County, 655 thousand reported
  • GATES 010 CHK-B TR1 — gas, Silverbow Resources Oper, LLC, Dimmit County, 655 thousand reported
  • FAITH-BONITA — gas, Chesapeake Operating, L.L.C., Dimmit County, 655 thousand reported
  • BRISCOE THON UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 653 thousand reported
  • DENTONIO WHITE 23 UNIT — gas, Anadarko E&P Company LP, Dimmit County, 653 thousand reported
  • MORO CREEK — gas, Verdun Oil & Gas LLC, Dimmit County, 653 thousand reported
  • BRISCOE CARLA RANCH — gas, SN Ef Maverick, LLC, Dimmit County, 653 thousand reported
  • DENTONIO WHITE 23 UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 653 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Onshore LLC, Dimmit County, 652 thousand reported
  • STUMBERG RANCH UNIT B — gas, Anadarko E&P Onshore LLC, Dimmit County, 652 thousand reported
  • STUMBERG RANCH UNIT E — gas, SN Ef Maverick, LLC, Dimmit County, 650 thousand reported
  • TRES RAMAS EF — gas, Rosewood Resources, Inc., Dimmit County, 650 thousand reported
  • BRISCOE CATARINA RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 650 thousand reported
  • VIVION UNIT A — gas, Verdun Oil & Gas LLC, Dimmit County, 649 thousand reported
  • HAMILTON RANCH B — oil, Endeavor Natural Gas, LP, Dimmit County, 649 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 649 thousand reported
  • BRISCOE CATARINA NORTH — gas, SN Ef Maverick, LLC, Dimmit County, 648 thousand reported
  • BRISCOE CHIP EAST RANCH — gas, Anadarko E&P Company LP, Dimmit County, 648 thousand reported
  • FAITH-BONITA — gas, Chesapeake Operating, L.L.C., Dimmit County, 647 thousand reported
  • BRISCOE CATARINA SOUTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 647 thousand reported
  • RITCHIE FARMS H UNIT — oil, Ep Energy E&P Company, L.P., Dimmit County, 647 thousand reported
  • VIVION UNIT A — oil, Rosetta Resources Operating LP, Dimmit County, 647 thousand reported
  • BRISCOE CATARINA RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 646 thousand reported
  • BRISCOE CATARINA WEST — gas, Javelin Energy Partners MGMT LLC, Dimmit County, 646 thousand reported
  • DENTONIO WHITE 23 UNIT — gas, Anadarko E&P Company LP, Dimmit County, 646 thousand reported
  • GIBSON DIM — gas, Ineos USA Oil & Gas LLC, Dimmit County, 645 thousand reported
  • FOGMT — gas, Anadarko E&P Company LP, Dimmit County, 645 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Company LP, Dimmit County, 643 thousand reported
  • SAN ANTONIO A1100 — gas, Trinity Operating (Usg), LLC, Dimmit County, 643 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 643 thousand reported
  • BRISCOE CATARINA RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 642 thousand reported
  • BLAKEWAY UNIT H DIM — oil, Chesapeake Operating, Inc., Dimmit County, 642 thousand reported
  • DENTONIO WHITE 23 UNIT — gas, Anadarko E&P Company LP, Dimmit County, 641 thousand reported
  • MORO CREEK — gas, Protege Energy III LLC, Dimmit County, 641 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 641 thousand reported
  • BRISCOE CATARINA RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 640 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 639 thousand reported
  • LA ROSITA DIM — gas, Chesapeake Operating, L.L.C., Dimmit County, 639 thousand reported
  • MORO CREEK — gas, Protege Energy III LLC, Dimmit County, 639 thousand reported
  • ROGERS DENTONIO 31 UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 639 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 638 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Company LP, Dimmit County, 638 thousand reported
  • BRISCOE CATARINA EAST GU1 — gas, SM Energy Company, Dimmit County, 638 thousand reported
  • MCFADIN UNIT B DIM — oil, Chesapeake Operating, Inc., Dimmit County, 638 thousand reported
  • BRISCOE EAST DELGADO UNIT A — gas, Anadarko E&P Onshore LLC, Dimmit County, 638 thousand reported
  • STUMBERG RANCH UNIT B — gas, Anadarko E&P Onshore LLC, Dimmit County, 637 thousand reported
  • BRISCOE COCHINA EAST RANCH — gas, Anadarko E&P Company LP, Dimmit County, 637 thousand reported
  • SOUTH SPUR STATE — gas, Anadarko E&P Company LP, Dimmit County, 637 thousand reported
  • ROGERS DENTONIO RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 637 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Company LP, Dimmit County, 637 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 636 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 636 thousand reported
  • BRISCOE COCHINA WEST RANCH — gas, Anadarko E&P Company LP, Dimmit County, 636 thousand reported
  • GIBSON DIM — gas, Ineos USA Oil & Gas LLC, Dimmit County, 635 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 635 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Company LP, Dimmit County, 635 thousand reported
  • DENTONIO WHITE 23 UNIT — gas, Anadarko E&P Company LP, Dimmit County, 635 thousand reported
  • ROGERS DENTONIO 33 UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 635 thousand reported
  • FAITH-YANA — gas, Chesapeake Operating, Inc., Dimmit County, 634 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 634 thousand reported
  • STUMBERG ESTATE UNIT C — oil, Murphy Expl. & Prod. Co. - USA, Dimmit County, 633 thousand reported
  • BRISCOE CATARINA NORTH — gas, SN Ef Maverick, LLC, Dimmit County, 633 thousand reported
  • SULTENFUSS UNIT DIM — oil, Chesapeake Operating, Inc., Dimmit County, 633 thousand reported
  • CMWW A — gas, Newfield Exploration Company, Dimmit County, 632 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 631 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 630 thousand reported
  • BRISCOE — gas, Escondido Resources GP, LLC, Dimmit County, 629 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 628 thousand reported
  • GRINGITA UNIT I DIM — oil, Chesapeake Operating, Inc., Dimmit County, 628 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 627 thousand reported
  • BRISCOE CATARINA SOUTH — gas, SN Ef Maverick, LLC, Dimmit County, 626 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 625 thousand reported
  • FOGMT — gas, Anadarko E&P Company LP, Dimmit County, 624 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 623 thousand reported
  • MORO CREEK E — gas, Verdun Oil & Gas LLC, Dimmit County, 623 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 622 thousand reported
  • SPR — gas, Grit Oil & Gas Management, LLC, Dimmit County, 622 thousand reported
  • FAITH-SAN PEDRO — gas, Chesapeake Operating, L.L.C., Dimmit County, 621 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 621 thousand reported
  • HENRICHSON UNIT E DIM — oil, Chesapeake Operating, Inc., Dimmit County, 621 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 620 thousand reported
  • STUMBERG RANCH UNIT B — gas, Anadarko E&P Onshore LLC, Dimmit County, 619 thousand reported
  • TRES RAMAS EF — gas, Rosewood Resources, Inc., Dimmit County, 619 thousand reported
  • JRED RANCH — oil, Hamilton, Clay, Dimmit County, 619 thousand reported
  • SOUTH SPUR UNIT A — gas, Anadarko E&P Company LP, Dimmit County, 618 thousand reported
  • BRISCOE CATARINA EAST — gas, SM Energy Company, Dimmit County, 618 thousand reported
  • BRISCOE COCHINA WEST RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 618 thousand reported
  • ROGERS DENTONIO 16 UNIT — gas, Anadarko E&P Company LP, Dimmit County, 617 thousand reported
  • LA BANDERA RANCH UNIT B — gas, Anadarko E&P Onshore LLC, Dimmit County, 617 thousand reported
  • CMWW B — oil, Newfield Exploration Company, Dimmit County, 616 thousand reported
  • STUMBERG STATE UNIT A DIM — oil, Chesapeake Operating, Inc., Dimmit County, 616 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 616 thousand reported
  • BRISCOE EAST DELGADO UNIT A — gas, Anadarko E&P Onshore LLC, Dimmit County, 615 thousand reported
  • BRISCOE CARLA RANCH — gas, Anadarko E&P Company LP, Dimmit County, 615 thousand reported
  • BRISCOE CATARINA EAST GU1 — gas, SM Energy Company, Dimmit County, 615 thousand reported
  • FAITH-SANDY — gas, Chesapeake Operating, L.L.C., Dimmit County, 614 thousand reported
  • BRISCOE COCHINA EAST RANCH — gas, Anadarko E&P Company LP, Dimmit County, 614 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 612 thousand reported
  • FAITH-YANA — gas, Chesapeake Operating, Inc., Dimmit County, 612 thousand reported
  • RANGER BEALL RANCH — gas, Baytex Energy USA, Inc., Dimmit County, 612 thousand reported
  • SAN ANTONIO A1100 B — gas, Trinity Operating (Usg), LLC, Dimmit County, 611 thousand reported
  • BRISCOE CHIP EAST RANCH UNIT G — oil, SN Ef Maverick, LLC, Dimmit County, 611 thousand reported
  • NAEGELI — oil, Chesapeake Operating, Inc., Dimmit County, 611 thousand reported
  • TRES RAMAS EF — gas, Rosewood Resources, Inc., Dimmit County, 610 thousand reported
  • VALLEY WELLS UNIT 9 DIM — gas, Chesapeake Operating, L.L.C., Dimmit County, 608 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 608 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 608 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 607 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 607 thousand reported
  • BRISCOE CARLA RANCH UNIT B — gas, Anadarko E&P Onshore LLC, Dimmit County, 607 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 606 thousand reported
  • BRISCOE CARLA RANCH UNIT B — gas, Anadarko E&P Onshore LLC, Dimmit County, 605 thousand reported
  • DIAMOND H STATE UNIT D — gas, Dimmit County, 605 thousand reported
  • GIBSON DIM — oil, Chesapeake Operating, Inc., Dimmit County, 605 thousand reported
  • MORO CREEK — gas, Verdun Oil & Gas LLC, Dimmit County, 605 thousand reported
  • FLAT CREEK UNIT G DIM — gas, Chesapeake Operating, L.L.C., Dimmit County, 605 thousand reported
  • STUMBERG RANCH UNIT E — gas, SN Ef Maverick, LLC, Dimmit County, 604 thousand reported
  • BRISCOE CARLA RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 604 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 603 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Onshore LLC, Dimmit County, 602 thousand reported
  • SOUTH SPUR UNIT A — gas, Anadarko E&P Company LP, Dimmit County, 601 thousand reported
  • SOUTH SPUR STATE — gas, Anadarko E&P Company LP, Dimmit County, 599 thousand reported
  • VALLEY WELLS UNIT 9 DIM — gas, Chesapeake Operating, L.L.C., Dimmit County, 599 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 599 thousand reported
  • ASHERTON UNIT A — gas, Verdun Oil & Gas LLC, Dimmit County, 599 thousand reported
  • ASHERTON UNIT A — gas, Verdun Oil & Gas LLC, Dimmit County, 599 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Company LP, Dimmit County, 598 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 597 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 597 thousand reported
  • BRISCOE CATARINA SOUTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 596 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 595 thousand reported
  • BIG WELLS SOUTH UNIT 10 DIM — gas, Ineos USA Oil & Gas LLC, Dimmit County, 594 thousand reported
  • MORO CREEK — gas, Newfield Exploration Company, Dimmit County, 594 thousand reported
  • CRIMSON ALLOCATION #10 — gas, Trinity Operating (Usg), LLC, Dimmit County, 594 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 594 thousand reported
  • DIAMOND H STATE UNIT D — gas, SN Ef Maverick, LLC, Dimmit County, 592 thousand reported
  • BIG WELLS SOUTH UNIT 12 DIM — oil, Chesapeake Operating, L.L.C., Dimmit County, 592 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 591 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 590 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 590 thousand reported
  • ROGERS DENTONIO 33 UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 589 thousand reported
  • SOUTH SPUR UNIT A — gas, Anadarko E&P Company LP, Dimmit County, 588 thousand reported
  • BEINHORN RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 588 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 587 thousand reported
  • RITCHIE FARMS P UNIT — gas, Ep Energy E&P Company, LLC, Dimmit County, 587 thousand reported
  • BRISCOE CARLA RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 587 thousand reported
  • ARENA ROJA DIM — oil, Chesapeake Operating, Inc., Dimmit County, 586 thousand reported
  • FAITH-BONITA — gas, Chesapeake Operating, L.L.C., Dimmit County, 586 thousand reported
  • ROGERS DENTONIO 16 UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 585 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 585 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 585 thousand reported
  • BRISCOE RANCH AC — gas, Rosetta Resources Operating LP, Dimmit County, 585 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 584 thousand reported
  • ROGERS DENTONIO RANCH — gas, Anadarko E&P Company LP, Dimmit County, 583 thousand reported
  • BOWMAN B 231 — gas, Trinity Operating (Usg), LLC, Dimmit County, 583 thousand reported
  • FLYING G RANCH — gas, Chesapeake Operating, Inc., Dimmit County, 583 thousand reported
  • VALLEY WELLS HC10 DIM — oil, Chesapeake Operating, L.L.C., Dimmit County, 583 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 582 thousand reported
  • BOWMAN UNIT B DIM — gas, Trinity Operating (Usg), LLC, Dimmit County, 582 thousand reported
  • DENTONIO WHITE 23 UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 582 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 580 thousand reported
  • BRISCOE CARLA RANCH — gas, SN Ef Maverick, LLC, Dimmit County, 580 thousand reported
  • BRISCOE EAST DELGADO UNIT A — gas, Anadarko E&P Onshore LLC, Dimmit County, 579 thousand reported
  • BRISCOE CARLA RANCH — gas, SN Ef Maverick, LLC, Dimmit County, 579 thousand reported
  • BRISCOE CATARINA WEST — gas, Anadarko E&P Company LP, Dimmit County, 578 thousand reported
  • ROGERS DENTONIO 33 UNIT — gas, Anadarko E&P Onshore LLC, Dimmit County, 577 thousand reported
  • CMWW A — gas, Protege Energy III LLC, Dimmit County, 576 thousand reported
  • BRISCOE COCHINA WEST RANCH — gas, Anadarko E&P Onshore LLC, Dimmit County, 576 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 576 thousand reported
  • BRISCOE CATARINA WEST — gas, SN Ef Maverick, LLC, Dimmit County, 576 thousand reported
  • SOUTH SPUR UNIT A — gas, Anadarko E&P Company LP, Dimmit County, 576 thousand reported
  • BRISCOE CATARINA NORTH — gas, Anadarko E&P Onshore LLC, Dimmit County, 575 thousand reported
  • RITCHIE FARMS L UNIT — gas, Verdun Oil Ef II LLC, Dimmit County, 574 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 573 thousand reported
  • JX RANCH UNIT B — gas, Redemption Oil & Gas, LLC, Dimmit County, 573 thousand reported
  • ROGERS DENTONIO RANCH — gas, Anadarko E&P Company LP, Dimmit County, 573 thousand reported
  • PILONCILLO — gas, Shell Western E&P, Dimmit County, 572 thousand reported
  • STUMBERG RANCH — gas, Anadarko E&P Company LP, Dimmit County, 572 thousand reported
  • BRISCOE CARLA RANCH — gas, SN Ef Maverick, LLC, Dimmit County, 572 thousand reported
  • BRISCOE CATARINA WEST UNIT A — gas, SN Ef Maverick, LLC, Dimmit County, 572 thousand reported
  • FOGMT — gas, Anadarko E&P Onshore LLC, Dimmit County, 571 thousand reported
  • BRISCOE CATARINA WEST — gas, SN Ef Maverick, LLC, Dimmit County, 571 thousand reported
  • PILONCILLO — gas, SN Operating, LLC, Dimmit County, 570 thousand reported
  • FAITH BONITA W UNIT — gas, Chesapeake Operating, L.L.C., Dimmit County, 569 thousand reported
  • NHL UNIT B DIM — gas, Chesapeake Operating, L.L.C., Dimmit County, 569 thousand reported
  • BRISCOE CATARINA EAST GU1 — gas, SM Energy Company, Dimmit County, 568 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.