Oil and gas leases in Pioneer Natural Res. USA, Inc. — page 9

Pioneer Natural Res. USA, Inc. is a Texas operator, Commission number 665748, with 5,640 leases reporting production across 51 counties. 4,209 of them are oil leases and 1,431 are gas leases. Between them they carry 9,560 wellbores. Reported volumes run from January 1997 to August 2026 and come to 1.4 billion barrels of oil and 1.5 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 Pioneer Natural Res. USA, Inc.

How many oil and gas leases are in Pioneer Natural Res. USA, Inc.?: Pioneer Natural Res. USA, Inc. has 5,640 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Pioneer Natural Res. USA, Inc. produced?: Leases in Pioneer Natural Res. USA, Inc. have reported 1,436,850,532 barrels of oil (bbl) and 1,503,615,745 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1997 and August 2026.
How much are mineral rights in Pioneer Natural Res. USA, Inc. worth?: There is no single figure: what a mineral or royalty interest in Pioneer Natural Res. USA, Inc. is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 5,640 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 29

SALE RANCH 20D — oil, Pioneer Natural Res. USA, Inc., Martin County, 456 thousand reported
JULIA 45-4-H — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 455 thousand reported
JIM TOM W41G — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 455 thousand reported
SHAUNA W42E — oil, Pioneer Natural Res. USA, Inc., Midland County, 455 thousand reported
BROOK-FUNKHOUSER 19B — oil, Pioneer Natural Res. USA, Inc., Upton County, 454 thousand reported
SHACKELFORD E10F — oil, Pioneer Natural Res. USA, Inc., Midland County, 454 thousand reported
SHACKELFORD W40A — oil, Pioneer Natural Res. USA, Inc., Midland County, 454 thousand reported
HOUSTON-WELLS 2S — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 454 thousand reported
RAYMOND GLASSCOCK 5F — oil, Pioneer Natural Res. USA, Inc., Martin County, 454 thousand reported
UNIVERSITY "2-28" — oil, Pioneer Natural Res. USA, Inc., Reagan County, 454 thousand reported
HIGHTOWER 10G — oil, Pioneer Natural Res. USA, Inc., Martin County, 453 thousand reported
NORMA STEINMANN — gas, Pioneer Natural Res. USA, Inc., De Witt County, 453 thousand reported
BRADFORD 35J — oil, Pioneer Natural Res. USA, Inc., Midland County, 453 thousand reported
BROOK Y-1B — oil, Pioneer Natural Res. USA, Inc., Upton County, 452 thousand reported
MILES 25I — oil, Pioneer Natural Res. USA, Inc., Midland County, 452 thousand reported
SALE RANCH 20F — oil, Pioneer Natural Res. USA, Inc., Martin County, 452 thousand reported
JUDKINS-DRIVER 38C — oil, Pioneer Natural Res. USA, Inc., Midland County, 452 thousand reported
E. T. O'DANIEL 3H — oil, Pioneer Natural Res. USA, Inc., Midland County, 452 thousand reported
RAY REED 33F — oil, Pioneer Natural Res. USA, Inc., Upton County, 452 thousand reported
EPLEY-GLASSCOCK C8D — oil, Pioneer Natural Res. USA, Inc., Martin County, 451 thousand reported
KELLY-IVERSON 5H — oil, Pioneer Natural Res. USA, Inc., Martin County, 451 thousand reported
CHRISTY-THOMASON 15E — oil, Pioneer Natural Res. USA, Inc., Reagan County, 450 thousand reported
BEAL-SNYDER W35G — oil, Pioneer Natural Res. USA, Inc., Midland County, 450 thousand reported
YATER 10B — oil, Pioneer Natural Res. USA, Inc., Martin County, 449 thousand reported
XBC-CAROLINE 3B — oil, Pioneer Natural Res. USA, Inc., Upton County, 449 thousand reported
MEEK-LINDSAY 6F — oil, Pioneer Natural Res. USA, Inc., Martin County, 449 thousand reported
SHACKELFORD M — oil, Pioneer Natural Res. USA, Inc., Midland County, 449 thousand reported
ERWIN-MURRAY 45C — oil, Pioneer Natural Res. USA, Inc., Midland County, 449 thousand reported
SHULL-CRAWFORD 15MM — oil, Pioneer Natural Res. USA, Inc., Midland County, 448 thousand reported
EPLEY-GLASSCOCK C8A — oil, Pioneer Natural Res. USA, Inc., Martin County, 448 thousand reported
YATER 10J — oil, Pioneer Natural Res. USA, Inc., Martin County, 448 thousand reported
SALE RANCH 20A — oil, Pioneer Natural Res. USA, Inc., Martin County, 447 thousand reported
DONOVAN-WILLIS W32F — oil, Pioneer Natural Res. USA, Inc., Midland County, 447 thousand reported
DAWKINS-JONES 40G — oil, Pioneer Natural Res. USA, Inc., Martin County, 447 thousand reported
SHACKELFORD 9G — oil, Pioneer Natural Res. USA, Inc., Midland County, 447 thousand reported
SUGG 46 — gas, Pioneer Natural Res. USA, Inc., Irion County, 447 thousand reported
MILLER, J. B. — gas, Pioneer Natural Res. USA, Inc., Crockett County, 447 thousand reported
HOUSTON-WELLS 2U — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 447 thousand reported
BROOK O-3E — oil, Pioneer Natural Res. USA, Inc., Upton County, 447 thousand reported
SALE RANCH 20M — oil, Pioneer Natural Res. USA, Inc., Martin County, 447 thousand reported
CUNNINGHAM 37H — oil, Pioneer Natural Res. USA, Inc., Midland County, 446 thousand reported
BIEMER 01 — gas, Pioneer Natural Res. USA, Inc., De Witt County, 446 thousand reported
YATER 10F — oil, Pioneer Natural Res. USA, Inc., Martin County, 446 thousand reported
ARICK-STOUT 36P — oil, Pioneer Natural Res. USA, Inc., Midland County, 446 thousand reported
EPLEY-MARTIN 31I — oil, Pioneer Natural Res. USA, Inc., Martin County, 446 thousand reported
MEISSNER-RAGGETT 37C — oil, Pioneer Natural Res. USA, Inc., Midland County, 446 thousand reported
SALE RANCH W14K — oil, Pioneer Natural Res. USA, Inc., Martin County, 445 thousand reported
BRUNER-WEBB 16K — oil, Pioneer Natural Res. USA, Inc., Martin County, 445 thousand reported
ODANIEL-FLOYD W1X — oil, Pioneer Natural Res. USA, Inc., Midland County, 445 thousand reported
BROOK NW-14D — oil, Pioneer Natural Res. USA, Inc., Upton County, 445 thousand reported
SALE RANCH 20L — oil, Pioneer Natural Res. USA, Inc., Martin County, 445 thousand reported
BROOK M-1B — oil, Pioneer Natural Res. USA, Inc., Upton County, 445 thousand reported
ROBB-STONE W34D — oil, Pioneer Natural Res. USA, Inc., Martin County, 445 thousand reported
DRIVER C NE9L — oil, Pioneer Natural Res. USA, Inc., Reagan County, 444 thousand reported
FOREMAN-JONES 40F — oil, Pioneer Natural Res. USA, Inc., Martin County, 444 thousand reported
SALE RANCH 17F — oil, Pioneer Natural Res. USA, Inc., Martin County, 444 thousand reported
THREE SISTERS 01 — gas, Pioneer Natural Res. USA, Inc., Live Oak County, 444 thousand reported
BROOK N-7I — oil, Pioneer Natural Res. USA, Inc., Upton County, 444 thousand reported
WOODY-HOWARD 37H — oil, Pioneer Natural Res. USA, Inc., Martin County, 443 thousand reported
EPLEY-SALE 39O — oil, Pioneer Natural Res. USA, Inc., Martin County, 443 thousand reported
STILT WEST G 18-20 — oil, Pioneer Natural Res. USA, Inc., Midland County, 443 thousand reported
TURNER W41J — oil, Pioneer Natural Res. USA, Inc., Midland County, 443 thousand reported
HARLOW UNIT — gas, Pioneer Natural Res. USA, Inc., Montague County, 443 thousand reported
UNIVERSITY 3-15A — oil, Pioneer Natural Res. USA, Inc., Upton County, 442 thousand reported
HOUSTON RANCH EAST K 13-7 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 442 thousand reported
SHACKELFORD W39E — oil, Pioneer Natural Res. USA, Inc., Midland County, 442 thousand reported
CRAWFORD — gas, Pioneer Natural Res. USA, Inc., Potter County, 442 thousand reported
WILDE GARNER 14EF — oil, Pioneer Natural Res. USA, Inc., Upton County, 442 thousand reported
GLASPIE-HARVARD 11Q — oil, Pioneer Natural Res. USA, Inc., Martin County, 442 thousand reported
MCCARTY UNIT — gas, Pioneer Natural Res. USA, Inc., Montague County, 442 thousand reported
ERWIN-MURRAY 45D — oil, Pioneer Natural Res. USA, Inc., Midland County, 441 thousand reported
PEMBROOK X-1F — oil, Pioneer Natural Res. USA, Inc., Upton County, 441 thousand reported
BRADFORD 35H — oil, Pioneer Natural Res. USA, Inc., Midland County, 441 thousand reported
TROPICANA EAST M 14-26 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 440 thousand reported
SCHARBAUER RANCH 19 C — oil, Pioneer Natural Res. USA, Inc., Martin County, 440 thousand reported
SALE RANCH 22J — oil, Pioneer Natural Res. USA, Inc., Martin County, 440 thousand reported
XBC-UNRUH 3B — oil, Pioneer Natural Res. USA, Inc., Upton County, 440 thousand reported
MARYRUTH-BRISTOW 47J — oil, Pioneer Natural Res. USA, Inc., Martin County, 440 thousand reported
SALE RANCH 13C — oil, Pioneer Natural Res. USA, Inc., Martin County, 439 thousand reported
WOODY-HOWARD 37J — oil, Pioneer Natural Res. USA, Inc., Martin County, 439 thousand reported
SHACKELFORD 39K — oil, Pioneer Natural Res. USA, Inc., Midland County, 439 thousand reported
DAVIS-LACY 31I — oil, Pioneer Natural Res. USA, Inc., Martin County, 439 thousand reported
CRAWFORD-TANK FARM NE7R — oil, Pioneer Natural Res. USA, Inc., Midland County, 439 thousand reported
BROOK D-29U — oil, Pioneer Natural Res. USA, Inc., Upton County, 439 thousand reported
BAUMANN E16G — oil, Pioneer Natural Res. USA, Inc., Midland County, 439 thousand reported
MIDKIFF 1N — oil, Pioneer Natural Res. USA, Inc., Midland County, 439 thousand reported
MCCLINTIC-BRUNSON 31E — oil, Pioneer Natural Res. USA, Inc., Midland County, 438 thousand reported
BRUNSON 36I — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 438 thousand reported
FRANK 11N — oil, Pioneer Natural Res. USA, Inc., Midland County, 438 thousand reported
ARICK-SIMMS 26D — oil, Pioneer Natural Res. USA, Inc., Midland County, 438 thousand reported
SHACKELFORD E40F — oil, Pioneer Natural Res. USA, Inc., Midland County, 438 thousand reported
MUIR "B" — gas, Pioneer Natural Res. USA, Inc., Parker County, 437 thousand reported
PRESTON-FREEMAN 15G — oil, Pioneer Natural Res. USA, Inc., Midland County, 437 thousand reported
BIVINS — gas, Pioneer Natural Res. USA, Inc., Potter County, 437 thousand reported
KENDALL 23-11E — oil, Pioneer Natural Res. USA, Inc., Upton County, 437 thousand reported
ARCADIA-COLE GAS UNIT "A" — gas, Pioneer Natural Res. USA, Inc., Parker County, 437 thousand reported
SANFORD — gas, Pioneer Natural Res. USA, Inc., Carson County, 436 thousand reported
WOODY-HOUSTON C37Q — oil, Pioneer Natural Res. USA, Inc., Martin County, 436 thousand reported
SHACKELFORD 40-12AB — oil, Pioneer Natural Res. USA, Inc., Midland County, 436 thousand reported
CRAWFORD TANK FARM NW7P — oil, Pioneer Natural Res. USA, Inc., Midland County, 436 thousand reported
BRUNSON RANCH 47D — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 436 thousand reported
PRESTON-SHACKELFORD 15J — oil, Pioneer Natural Res. USA, Inc., Midland County, 436 thousand reported
SHAUNA E42F — oil, Pioneer Natural Res. USA, Inc., Midland County, 436 thousand reported
BROOK NE-14D — oil, Pioneer Natural Res. USA, Inc., Upton County, 436 thousand reported
UNIVERSITY "7-38" — oil, Pioneer Natural Res. USA, Inc., Andrews County, 435 thousand reported
BIVINS — gas, Pioneer Natural Res. USA, Inc., Potter County, 435 thousand reported
WOODY-HOWARD 37I — oil, Pioneer Natural Res. USA, Inc., Martin County, 435 thousand reported
TUBB-VAUGHN 21D — oil, Pioneer Natural Res. USA, Inc., Midland County, 435 thousand reported
SHERROD E28C — oil, Pioneer Natural Res. USA, Inc., Reagan County, 434 thousand reported
SALE RANCH W13E — oil, Pioneer Natural Res. USA, Inc., Martin County, 434 thousand reported
FASKEN-EVANS 11C — oil, Pioneer Natural Res. USA, Inc., Midland County, 434 thousand reported
BRADFORD 35C — oil, Pioneer Natural Res. USA, Inc., Midland County, 434 thousand reported
EPLEY W7R — oil, Pioneer Natural Res. USA, Inc., Martin County, 434 thousand reported
SHAUNA W42D — oil, Pioneer Natural Res. USA, Inc., Midland County, 433 thousand reported
EPLEY-ROGERS 43A — oil, Pioneer Natural Res. USA, Inc., Martin County, 433 thousand reported
BEAVERS A UNIT — gas, Pioneer Natural Res. USA, Inc., Montague County, 433 thousand reported
DONOVAN-WILLIS E32H — oil, Pioneer Natural Res. USA, Inc., Midland County, 433 thousand reported
PRESTON 9I — oil, Pioneer Natural Res. USA, Inc., Midland County, 433 thousand reported
BUCHANAN W17A — oil, Pioneer Natural Res. USA, Inc., Midland County, 432 thousand reported
BROOK D-W23M — oil, Pioneer Natural Res. USA, Inc., Upton County, 432 thousand reported
SHACKELFORD W31F — oil, Pioneer Natural Res. USA, Inc., Midland County, 432 thousand reported
FISHERMAN-BRISTOW 23B — oil, Pioneer Natural Res. USA, Inc., Martin County, 432 thousand reported
GLASPIE-HARVARD 11N — oil, Pioneer Natural Res. USA, Inc., Martin County, 432 thousand reported
SHACKELFORD W31C — oil, Pioneer Natural Res. USA, Inc., Midland County, 431 thousand reported
ORSON-BILLY 139F — oil, Pioneer Natural Res. USA, Inc., Martin County, 431 thousand reported
ARICK-SIMMS 26I — oil, Pioneer Natural Res. USA, Inc., Midland County, 430 thousand reported
BROOK O-3C — oil, Pioneer Natural Res. USA, Inc., Upton County, 430 thousand reported
JRS FARMS 13-25F — oil, Pioneer Natural Res. USA, Inc., Upton County, 430 thousand reported
MILES 25H — oil, Pioneer Natural Res. USA, Inc., Midland County, 430 thousand reported
NORTH BROOK 38-37ED — oil, Pioneer Natural Res. USA, Inc., Upton County, 429 thousand reported
EPLEY-SALE 39N — oil, Pioneer Natural Res. USA, Inc., Martin County, 429 thousand reported
DONALD L. HUTT FEE 10L — oil, Pioneer Natural Res. USA, Inc., Midland County, 429 thousand reported
HALFF-HALL 1BB — oil, Pioneer Natural Res. USA, Inc., Upton County, 429 thousand reported
UNIVERSITY 7-14HH — oil, Pioneer Natural Res. USA, Inc., Martin County, 428 thousand reported
SALE RANCH 22G — oil, Pioneer Natural Res. USA, Inc., Martin County, 428 thousand reported
BOEDEKER A UNIT — gas, Pioneer Natural Res. USA, Inc., Montague County, 428 thousand reported
SALE RANCH 17J — oil, Pioneer Natural Res. USA, Inc., Martin County, 428 thousand reported
XBC-XBC B 3A — oil, Pioneer Natural Res. USA, Inc., Upton County, 428 thousand reported
ARICK-SIMMS 26M — oil, Pioneer Natural Res. USA, Inc., Midland County, 428 thousand reported
DIAMOND RIO 9-16J — oil, Pioneer Natural Res. USA, Inc., Midland County, 427 thousand reported
PRESTON E17B — oil, Pioneer Natural Res. USA, Inc., Midland County, 426 thousand reported
BOHANAN-BLOCKER 3F — oil, Pioneer Natural Res. USA, Inc., Martin County, 426 thousand reported
KENDALL 23-11N — oil, Pioneer Natural Res. USA, Inc., Upton County, 426 thousand reported
BROOK-FUNKHOUSER 19A — oil, Pioneer Natural Res. USA, Inc., Upton County, 426 thousand reported
FRANK-SALLY 11A — oil, Pioneer Natural Res. USA, Inc., Midland County, 425 thousand reported
TROPICANA EAST O 14-26 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 425 thousand reported
DAWKINS-SALEH 33C — oil, Pioneer Natural Res. USA, Inc., Martin County, 425 thousand reported
ERWIN-TODD 39A — oil, Pioneer Natural Res. USA, Inc., Midland County, 425 thousand reported
PRESTON W17C — oil, Pioneer Natural Res. USA, Inc., Midland County, 425 thousand reported
DRIVER W5B — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 425 thousand reported
PRESTON-SHACKELFORD 15K — oil, Pioneer Natural Res. USA, Inc., Midland County, 424 thousand reported
PRESTON-FREEMAN 15I — oil, Pioneer Natural Res. USA, Inc., Midland County, 424 thousand reported
MCDONALD A — gas, Pioneer Natural Res. USA, Inc., Crockett County, 424 thousand reported
GLASSCOCK 5C — oil, Pioneer Natural Res. USA, Inc., Martin County, 424 thousand reported
MENN GAS UNIT NO 1 — gas, Pioneer Natural Res. USA, Inc., De Witt County, 423 thousand reported
ALDWELL W48C — oil, Pioneer Natural Res. USA, Inc., Reagan County, 423 thousand reported
TEXAS TEN-MILES 37K — oil, Pioneer Natural Res. USA, Inc., Midland County, 423 thousand reported
WOODY-HOWARD 37G — oil, Pioneer Natural Res. USA, Inc., Martin County, 423 thousand reported
SHAQ B 38-14 — oil, Pioneer Natural Res. USA, Inc., Upton County, 423 thousand reported
ERWIN-MURRAY 45A — oil, Pioneer Natural Res. USA, Inc., Midland County, 422 thousand reported
LOCKLAR-BONNIE 26S — oil, Pioneer Natural Res. USA, Inc., Midland County, 422 thousand reported
DONOVAN-WILLIS W32E — oil, Pioneer Natural Res. USA, Inc., Midland County, 422 thousand reported
BRADFORD 35F — oil, Pioneer Natural Res. USA, Inc., Midland County, 422 thousand reported
SHACKELFORD E40B — oil, Pioneer Natural Res. USA, Inc., Midland County, 422 thousand reported
RICHARDS — oil, Pioneer Natural Res. USA, Inc., Martin County, 422 thousand reported
DAWKINS-SALEH 33A — oil, Pioneer Natural Res. USA, Inc., Martin County, 422 thousand reported
SALE RANCH 24F — oil, Pioneer Natural Res. USA, Inc., Martin County, 422 thousand reported
RAYMOND GLASSCOCK 5G — oil, Pioneer Natural Res. USA, Inc., Martin County, 422 thousand reported
WILLIS-BERMAN NW33F — oil, Pioneer Natural Res. USA, Inc., Midland County, 422 thousand reported
SALE RANCH 15F — oil, Pioneer Natural Res. USA, Inc., Martin County, 422 thousand reported
WOODY E36B — oil, Pioneer Natural Res. USA, Inc., Martin County, 422 thousand reported
EPLEY-GLASSCOCK C8C — oil, Pioneer Natural Res. USA, Inc., Martin County, 421 thousand reported
ELKIN-ESTES 34H — oil, Pioneer Natural Res. USA, Inc., Midland County, 421 thousand reported
SHACKELFORD 39A — oil, Pioneer Natural Res. USA, Inc., Midland County, 421 thousand reported
NORTH BROOK 38-37EL — oil, Pioneer Natural Res. USA, Inc., Upton County, 421 thousand reported
HENDERSON, JOHN LEE JR. — gas, Pioneer Natural Res. USA, Inc., Crockett County, 421 thousand reported
RAY-WINKLEMAN C43D — oil, Pioneer Natural Res. USA, Inc., Midland County, 421 thousand reported
KUENSTLER GAS UNIT — gas, Pioneer Natural Res. USA, Inc., Live Oak County, 420 thousand reported
WOODY 38G — oil, Pioneer Natural Res. USA, Inc., Martin County, 420 thousand reported
MCCLINTIC-BRUNSON 30A — oil, Pioneer Natural Res. USA, Inc., Midland County, 420 thousand reported
STILT EAST L 18-20 — oil, Pioneer Natural Res. USA, Inc., Midland County, 420 thousand reported
PRESTON E17A — oil, Pioneer Natural Res. USA, Inc., Midland County, 420 thousand reported
YORK-LAW 139H — oil, Pioneer Natural Res. USA, Inc., Martin County, 420 thousand reported
SALE RANCH 20K — oil, Pioneer Natural Res. USA, Inc., Martin County, 419 thousand reported
BIVINS — gas, Pioneer Natural Res. USA, Inc., Potter County, 419 thousand reported
SOUTH TEXAS SYNDICATE II-B — gas, Pioneer Natural Res. USA, Inc., La Salle County, 419 thousand reported
SALE RANCH 15B — oil, Pioneer Natural Res. USA, Inc., Martin County, 419 thousand reported
MCCLINTIC-MAURER 31E — oil, Pioneer Natural Res. USA, Inc., Midland County, 418 thousand reported
FISCHER-COULSON E10C — oil, Pioneer Natural Res. USA, Inc., Midland County, 418 thousand reported
BROOK N-20E — oil, Pioneer Natural Res. USA, Inc., Upton County, 418 thousand reported
UNIVERSITY 4-18 — oil, Pioneer Natural Res. USA, Inc., Upton County, 418 thousand reported
BAUMANN "E" — oil, Pioneer Natural Res. USA, Inc., Midland County, 418 thousand reported
ROBERTSON 5A — gas, Pioneer Natural Res. USA, Inc., Crockett County, 418 thousand reported
NORTH BROOK 38-37WA — oil, Pioneer Natural Res. USA, Inc., Upton County, 418 thousand reported
RAYBURN-BAUMANN W16R — oil, Pioneer Natural Res. USA, Inc., Midland County, 418 thousand reported
MANGIONE 01 — gas, Pioneer Natural Res. USA, Inc., Karnes County, 417 thousand reported
UNIVERSITY W3-169E — oil, Pioneer Natural Res. USA, Inc., Upton County, 417 thousand reported
BRADFORD 35K — oil, Pioneer Natural Res. USA, Inc., Midland County, 417 thousand reported
PRESTON 18H — oil, Pioneer Natural Res. USA, Inc., Midland County, 417 thousand reported
BROOK Y-6E — oil, Pioneer Natural Res. USA, Inc., Upton County, 417 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.