Oil and gas leases in Burlington Resources O & G Co LP — page 8

Burlington Resources O & G Co LP is a Texas operator, Commission number 109333, with 2,422 leases reporting production across 26 counties. 743 of them are oil leases and 1,679 are gas leases. Between them they carry 3,430 wellbores. Reported volumes run from May 2000 to August 2026 and come to 538.9 million barrels of oil and 2.3 billion Mcf of gas. 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 Burlington Resources O & G Co LP

How many oil and gas leases are in Burlington Resources O & G Co LP?
Burlington Resources O & G Co LP has 2,422 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Burlington Resources O & G Co LP produced?
Leases in Burlington Resources O & G Co LP have reported 538,885,257 barrels of oil (bbl) and 2,251,594,414 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between May 2000 and August 2026.
How much are mineral rights in Burlington Resources O & G Co LP worth?
There is no single figure: what a mineral or royalty interest in Burlington Resources O & G Co LP is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 2,422 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 8 of 13

  • FOX — gas, Burlington Resources O & G Co LP, Wise County, 513 thousand reported
  • T-BAR-X/BREWER G. U. — gas, Burlington Resources O & G Co LP, Robertson County, 513 thousand reported
  • MAURER B-C USW D — oil, Burlington Resources O & G Co LP, De Witt County, 513 thousand reported
  • TINDLE "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 512 thousand reported
  • BUCKLEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 512 thousand reported
  • HUNS-WARM-MUEL USW C — oil, Burlington Resources O & G Co LP, Karnes County, 512 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 511 thousand reported
  • SHIFFLET FAMILY "B" — gas, Burlington Resources O & G Co LP, Denton County, 510 thousand reported
  • DEBERRY "A" — gas, Burlington Resources O & G Co LP, Sutton County, 510 thousand reported
  • GEORGES CREEK RANCH — gas, Burlington Resources O & G Co LP, Johnson County, 510 thousand reported
  • HUNS-WARM-MUEL USW A — oil, Burlington Resources O & G Co LP, Karnes County, 510 thousand reported
  • HUGHSTON UNIT — gas, Burlington Resources O & G Co LP, Denton County, 510 thousand reported
  • BURKHALTER, EWELL — gas, Burlington Resources O & G Co LP, Denton County, 510 thousand reported
  • ESCONDIDO UNIT B — oil, Burlington Resources O & G Co LP, Karnes County, 508 thousand reported
  • LANGLEY "A" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 508 thousand reported
  • WALLACE — gas, Burlington Resources O & G Co LP, Hood County, 507 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 507 thousand reported
  • FOX — gas, Burlington Resources O & G Co LP, Wise County, 506 thousand reported
  • STEEN UNIT A — oil, Burlington Resources O & G Co LP, De Witt County, 506 thousand reported
  • SURRELL-BOYD — gas, Burlington Resources O & G Co LP, Denton County, 506 thousand reported
  • PLOMERO UNIT E — oil, Burlington Resources O & G Co LP, Live Oak County, 506 thousand reported
  • KOEHLER UNIT A — oil, Burlington Resources O & G Co LP, De Witt County, 506 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 506 thousand reported
  • LEA — gas, Burlington Resources O & G Co LP, Denton County, 506 thousand reported
  • DOWNE "A" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 506 thousand reported
  • PARKEY UNIT — gas, Burlington Resources O & G Co LP, Denton County, 506 thousand reported
  • GEORGES CREEK RANCH — gas, Burlington Resources O & G Co LP, Johnson County, 505 thousand reported
  • GUNN, MARGARET GU 1 — gas, Burlington Resources O & G Co LP, Gregg County, 505 thousand reported
  • PARKEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 504 thousand reported
  • MUSCHALEK UNIT A — oil, Burlington Resources O & G Co LP, De Witt County, 504 thousand reported
  • BRYSCH-KIT-WITC USW B — gas, Burlington Resources O & G Co LP, Karnes County, 503 thousand reported
  • BUCKLEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 503 thousand reported
  • MCCURDY — gas, Burlington Resources O & G Co LP, Wise County, 501 thousand reported
  • TINDLE "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 501 thousand reported
  • GOMILLION UNIT B — oil, Burlington Resources O & G Co LP, Live Oak County, 501 thousand reported
  • TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 501 thousand reported
  • NARANJO-K SOUTH USW B — oil, Burlington Resources O & G Co LP, Karnes County, 500 thousand reported
  • R. BORCHARDT UNIT D — oil, Burlington Resources O & G Co LP, De Witt County, 499 thousand reported
  • OWENS UNIT — gas, Burlington Resources O & G Co LP, Denton County, 498 thousand reported
  • CADDELL UNIT — gas, Burlington Resources O & G Co LP, Denton County, 496 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 496 thousand reported
  • TINDLE "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 495 thousand reported
  • WESTHOFF A-KOOP B USW B — oil, Burlington Resources O & G Co LP, De Witt County, 494 thousand reported
  • BUCKLEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 494 thousand reported
  • KORTH UNIT B — oil, Burlington Resources O & G Co LP, Karnes County, 494 thousand reported
  • BARGMANN TRUST A ENERVEST JV B — oil, Burlington Resources O & G Co LP, Karnes County, 494 thousand reported
  • STEWART-ENIS UNIT — gas, Burlington Resources O & G Co LP, Denton County, 494 thousand reported
  • DEBERRY-HALBERT UNIT — gas, Burlington Resources O & G Co LP, Sutton County, 493 thousand reported
  • HUEY, GRIFFIN — gas, Burlington Resources O & G Co LP, Denton County, 493 thousand reported
  • BARSID UNIT A — oil, Burlington Resources O & G Co LP, Live Oak County, 492 thousand reported
  • BUCKLEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 491 thousand reported
  • STEWART-ENIS UNIT — gas, Burlington Resources O & G Co LP, Denton County, 490 thousand reported
  • ASKEY "C" — gas, Burlington Resources O & G Co LP, Wise County, 489 thousand reported
  • KATHRYN KEATHLEY UNIT A — oil, Burlington Resources O & G Co LP, Live Oak County, 489 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 489 thousand reported
  • FAIRMAN UNIT — gas, Burlington Resources O & G Co LP, Denton County, 489 thousand reported
  • MILLER-CUFFMAN UNIT — gas, Burlington Resources O & G Co LP, Denton County, 489 thousand reported
  • S REYNOLDS-COLIN B USW E — oil, Burlington Resources O & G Co LP, Karnes County, 487 thousand reported
  • RUCKMAN A S. REYNOLDS D USW D — oil, Burlington Resources O & G Co LP, Karnes County, 487 thousand reported
  • JOHN HAY — gas, Burlington Resources O & G Co LP, Denton County, 487 thousand reported
  • LL A JANSKY A USW F — oil, Burlington Resources O & G Co LP, De Witt County, 486 thousand reported
  • CRABTREE-JEN-STEIN ULW B — oil, Burlington Resources O & G Co LP, Karnes County, 486 thousand reported
  • SPEAR REYNOLDS UNIT D — oil, Burlington Resources O & G Co LP, Karnes County, 486 thousand reported
  • PLOMERO UNIT D — oil, Burlington Resources O & G Co LP, Live Oak County, 484 thousand reported
  • LAIRD UNIT B — oil, Burlington Resources O & G Co LP, Live Oak County, 484 thousand reported
  • LACKEY-FRISBIE USW C — oil, Burlington Resources O & G Co LP, De Witt County, 483 thousand reported
  • CRABTREE-JEN-STEIN ULW A — oil, Burlington Resources O & G Co LP, Karnes County, 483 thousand reported
  • CADDELL UNIT — gas, Burlington Resources O & G Co LP, Denton County, 482 thousand reported
  • A MUELLER QUAD ULW A — oil, Burlington Resources O & G Co LP, De Witt County, 482 thousand reported
  • TINDLE "A" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 482 thousand reported
  • SMITH GENTRY WINDER UNIT — gas, Burlington Resources O & G Co LP, Wise County, 480 thousand reported
  • MYERS-TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 480 thousand reported
  • PARKEY "B" — gas, Burlington Resources O & G Co LP, Denton County, 480 thousand reported
  • G MALIK UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 479 thousand reported
  • F. MALEK T-LAIRD B D — oil, Burlington Resources O & G Co LP, Live Oak County, 479 thousand reported
  • CLARK UNIT — gas, Burlington Resources O & G Co LP, Parker County, 479 thousand reported
  • HUNSAKER MULTI ULW F — oil, Burlington Resources O & G Co LP, Karnes County, 478 thousand reported
  • BAILEY B-C USW B — oil, Burlington Resources O & G Co LP, Karnes County, 478 thousand reported
  • TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 478 thousand reported
  • MUSCHALEK BLAIR UNIT B — oil, Burlington Resources O & G Co LP, Karnes County, 478 thousand reported
  • MARON-RESP-VASB ULW — oil, Burlington Resources O & G Co LP, De Witt County, 478 thousand reported
  • TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 477 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 477 thousand reported
  • GROSE UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 476 thousand reported
  • LACKEY-FRISBIE USW D — oil, Burlington Resources O & G Co LP, De Witt County, 476 thousand reported
  • PARKEY "B" — gas, Burlington Resources O & G Co LP, Denton County, 475 thousand reported
  • BUCKLEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 475 thousand reported
  • MCCLENDON UNIT — gas, Burlington Resources O & G Co LP, Denton County, 474 thousand reported
  • LIVINGSTON GAS UNIT — gas, Burlington Resources O & G Co LP, Live Oak County, 474 thousand reported
  • LEA "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 474 thousand reported
  • MILLER UNIT — gas, Burlington Resources O & G Co LP, Denton County, 473 thousand reported
  • COLVIN UNIT A — gas, Burlington Resources O & G Co LP, Live Oak County, 473 thousand reported
  • GUTHRIE — gas, Burlington Resources O & G Co LP, Parker County, 472 thousand reported
  • ESCONDIDO A B USW B — oil, Burlington Resources O & G Co LP, Karnes County, 472 thousand reported
  • MARON-VASB USW B — oil, Burlington Resources O & G Co LP, De Witt County, 471 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 471 thousand reported
  • TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 471 thousand reported
  • BROWN JENK-BORD USW A — oil, Burlington Resources O & G Co LP, Karnes County, 471 thousand reported
  • MYERS-TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 471 thousand reported
  • RICKRICH UNIT — gas, Burlington Resources O & G Co LP, Denton County, 469 thousand reported
  • BORDOVSKY A 7 — oil, Burlington Resources O & G Co LP, Karnes County, 469 thousand reported
  • S REYNOLDS-HAR USW A — oil, Burlington Resources O & G Co LP, Karnes County, 469 thousand reported
  • TINDLE "A" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 467 thousand reported
  • HARRELL UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 466 thousand reported
  • LACKEY-FRISBIE USW B — oil, Burlington Resources O & G Co LP, De Witt County, 465 thousand reported
  • FOX — gas, Burlington Resources O & G Co LP, Wise County, 465 thousand reported
  • KORTH VICKERS C-D USW B — oil, Burlington Resources O & G Co LP, Karnes County, 464 thousand reported
  • HUEY, SALLY — gas, Burlington Resources O & G Co LP, Denton County, 464 thousand reported
  • STEWART-ENIS UNIT — gas, Burlington Resources O & G Co LP, Denton County, 464 thousand reported
  • SHIFFLETT "A" — gas, Burlington Resources O & G Co LP, Denton County, 462 thousand reported
  • T-BAR-X/SMITHERMAN — gas, Burlington Resources O & G Co LP, Robertson County, 462 thousand reported
  • J YOUNG-SCHLENKER USW E — oil, Burlington Resources O & G Co LP, De Witt County, 462 thousand reported
  • EDITH GRAY-BORD-SCHENDEL ULW — oil, Burlington Resources O & G Co LP, Karnes County, 462 thousand reported
  • PARKEY "B" — gas, Burlington Resources O & G Co LP, Denton County, 461 thousand reported
  • LANGLEY UNIT — gas, Burlington Resources O & G Co LP, Denton County, 461 thousand reported
  • LL A JANSKY A USW B — oil, Burlington Resources O & G Co LP, De Witt County, 461 thousand reported
  • OWENS UNIT — gas, Burlington Resources O & G Co LP, Denton County, 458 thousand reported
  • WITTE QUAD USW B — oil, Burlington Resources O & G Co LP, Karnes County, 457 thousand reported
  • ESKEW NORTH UNIT — oil, Burlington Resources O & G Co LP, Live Oak County, 456 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 455 thousand reported
  • WOMACK, J. E. "B" GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 455 thousand reported
  • ESCONDIDO A B USW E — oil, Burlington Resources O & G Co LP, Karnes County, 455 thousand reported
  • J WIATREK UNIT B — oil, Burlington Resources O & G Co LP, Karnes County, 454 thousand reported
  • PLOMERO UNIT G — oil, Burlington Resources O & G Co LP, Live Oak County, 454 thousand reported
  • FOX — gas, Burlington Resources O & G Co LP, Wise County, 454 thousand reported
  • MAURER B-C USW C — oil, Burlington Resources O & G Co LP, De Witt County, 454 thousand reported
  • WILLEKE UNIT A — gas, Burlington Resources O & G Co LP, Karnes County, 454 thousand reported
  • KRAWIETZ-JANET RUTH USW B — oil, Burlington Resources O & G Co LP, Karnes County, 454 thousand reported
  • KRAWIETZ-JANET RUTH USW F — oil, Burlington Resources O & G Co LP, Karnes County, 454 thousand reported
  • G KLEIN D-WEISCH A USW B — oil, Burlington Resources O & G Co LP, De Witt County, 453 thousand reported
  • HUEY, SALLY — gas, Burlington Resources O & G Co LP, Denton County, 453 thousand reported
  • MYERS-TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 452 thousand reported
  • OMNI-FRAZIER — gas, Burlington Resources O & G Co LP, Denton County, 452 thousand reported
  • C.H. ESSE UNIT E — oil, Burlington Resources O & G Co LP, Live Oak County, 452 thousand reported
  • CADDELL UNIT — gas, Burlington Resources O & G Co LP, Denton County, 452 thousand reported
  • PILGRIM UNIT A — oil, Burlington Resources O & G Co LP, De Witt County, 451 thousand reported
  • TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 451 thousand reported
  • DOWNE "A" — gas, Burlington Resources O & G Co LP, Denton County, 451 thousand reported
  • JUNE DAY UNIT B — oil, Burlington Resources O & G Co LP, Karnes County, 450 thousand reported
  • BODDEN A-KORTH A USW E — oil, Burlington Resources O & G Co LP, Karnes County, 450 thousand reported
  • S REYNOLDS-COLIN B USW D — oil, Burlington Resources O & G Co LP, Karnes County, 450 thousand reported
  • J YOUNG-SCHLENKER USW D — oil, Burlington Resources O & G Co LP, De Witt County, 449 thousand reported
  • TAYLOR UNIT A B ULW — oil, Burlington Resources O & G Co LP, Gonzales County, 448 thousand reported
  • KORTH UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 448 thousand reported
  • WAGGONER, CRYSTELLE GAS UNIT — gas, Burlington Resources O & G Co LP, Wise County, 447 thousand reported
  • KITCHEN UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 447 thousand reported
  • JO ANN ESSE UNIT B — oil, Burlington Resources O & G Co LP, Live Oak County, 446 thousand reported
  • LEA "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 446 thousand reported
  • SCHOOLFIELD UNIT — gas, Burlington Resources O & G Co LP, Denton County, 444 thousand reported
  • SCHROEDER-B-MEG ULW A — oil, Burlington Resources O & G Co LP, Live Oak County, 444 thousand reported
  • ESCONDIDO UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 443 thousand reported
  • MILLER-CUFFMAN UNIT — gas, Burlington Resources O & G Co LP, Denton County, 443 thousand reported
  • GROSE A-KARNES B USW A — oil, Burlington Resources O & G Co LP, Karnes County, 443 thousand reported
  • BUCKLEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 442 thousand reported
  • METZ-KORTH-RRU USW D — oil, Burlington Resources O & G Co LP, Karnes County, 442 thousand reported
  • BANKS "A" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 441 thousand reported
  • LEA "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 440 thousand reported
  • JO ANN ESSE UNIT K — oil, Burlington Resources O & G Co LP, Live Oak County, 440 thousand reported
  • TAYLOR FARMS, INC. — oil, Burlington Resources O & G Co LP, Live Oak County, 440 thousand reported
  • J YOUNG-SCHLENKER USW C — oil, Burlington Resources O & G Co LP, De Witt County, 439 thousand reported
  • MCCLENDON UNIT — gas, Burlington Resources O & G Co LP, Denton County, 439 thousand reported
  • LANGLEY UNIT — gas, Burlington Resources O & G Co LP, Denton County, 438 thousand reported
  • HAR-REYNOLDS A USW E — oil, Burlington Resources O & G Co LP, Karnes County, 437 thousand reported
  • NARANJO-K SOUTH USW D — oil, Burlington Resources O & G Co LP, Karnes County, 437 thousand reported
  • LANGLEY UNIT — gas, Burlington Resources O & G Co LP, Denton County, 437 thousand reported
  • GENELLE BA-HARRELL USW D — oil, Burlington Resources O & G Co LP, Karnes County, 437 thousand reported
  • DAVID REYNOLDS UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 437 thousand reported
  • LACKEY UNIT B-A C USW H — oil, Burlington Resources O & G Co LP, De Witt County, 436 thousand reported
  • BROWN JENK-BORD USW C — oil, Burlington Resources O & G Co LP, Karnes County, 436 thousand reported
  • ANDERSON "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 436 thousand reported
  • GENELLE BA USW E — oil, Burlington Resources O & G Co LP, Karnes County, 435 thousand reported
  • PAW-ESCOND-MIX USW G — oil, Burlington Resources O & G Co LP, Karnes County, 435 thousand reported
  • LEO J-YANTA N 1-2 USW B — oil, Burlington Resources O & G Co LP, Karnes County, 435 thousand reported
  • HUEY, SALLY — gas, Burlington Resources O & G Co LP, Denton County, 434 thousand reported
  • RUCKMAN TRUST UNIT E — oil, Burlington Resources O & G Co LP, Karnes County, 434 thousand reported
  • BICKLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 433 thousand reported
  • EVERS "B" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 433 thousand reported
  • MCCLENDON UNIT — gas, Burlington Resources O & G Co LP, Denton County, 433 thousand reported
  • F. MALEK UNIT K — oil, Burlington Resources O & G Co LP, Live Oak County, 433 thousand reported
  • MYERS-TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 433 thousand reported
  • SCHLUTER — gas, Burlington Resources O & G Co LP, Denton County, 433 thousand reported
  • PLOMERO UNIT F — oil, Burlington Resources O & G Co LP, Live Oak County, 433 thousand reported
  • FOX — gas, Burlington Resources O & G Co LP, Wise County, 432 thousand reported
  • HUEY, SALLY — gas, Burlington Resources O & G Co LP, Denton County, 432 thousand reported
  • JENNINGS UNIT A — oil, Burlington Resources O & G Co LP, Karnes County, 432 thousand reported
  • BANKS "A" UNIT — gas, Burlington Resources O & G Co LP, Denton County, 430 thousand reported
  • ADAMEK UNIT A — oil, Burlington Resources O & G Co LP, De Witt County, 428 thousand reported
  • STEEN — gas, Burlington Resources O & G Co LP, Sutton County, 428 thousand reported
  • COATES A UNIT — gas, Burlington Resources O & G Co LP, Hood County, 428 thousand reported
  • LANGLEY UNIT — gas, Burlington Resources O & G Co LP, Denton County, 427 thousand reported
  • GENELLE BA-HARRELL USW C — oil, Burlington Resources O & G Co LP, Karnes County, 427 thousand reported
  • SWIZE UNIT B — oil, Burlington Resources O & G Co LP, Live Oak County, 426 thousand reported
  • S REYNOLDS-COLIN B USW C — oil, Burlington Resources O & G Co LP, Karnes County, 424 thousand reported
  • RAFTER TWO UNIT E — oil, Burlington Resources O & G Co LP, Live Oak County, 423 thousand reported
  • MYERS-TINDLE UNIT — gas, Burlington Resources O & G Co LP, Denton County, 423 thousand reported
  • CASS EDWARDS "A" — gas, Burlington Resources O & G Co LP, Parker County, 422 thousand reported
  • BUCKLEY "C" — gas, Burlington Resources O & G Co LP, Denton County, 422 thousand reported
  • CANYON RANCH — gas, Burlington Resources O & G Co LP, Sutton County, 422 thousand reported
  • METZ-KORTH-RRU USW B — oil, Burlington Resources O & G Co LP, Karnes County, 422 thousand reported
  • PAWELEK-MIXON USW A — oil, Burlington Resources O & G Co LP, Karnes County, 421 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.