Oil and gas leases in Marathon Oil Ef LLC

Marathon Oil Ef LLC is a Texas operator, Commission number 525398, with 1,318 leases reporting production across 9 counties. 568 of them are oil leases and 750 are gas leases. Between them they carry 2,565 wellbores. Reported volumes run from October 2010 to August 2026 and come to 389.0 million barrels of oil and 925.2 million 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 Marathon Oil Ef LLC

How many oil and gas leases are in Marathon Oil Ef LLC?
Marathon Oil Ef LLC has 1,318 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Marathon Oil Ef LLC produced?
Leases in Marathon Oil Ef LLC have reported 388,991,277 barrels of oil (bbl) and 925,179,763 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between October 2010 and August 2026.
How much are mineral rights in Marathon Oil Ef LLC worth?
There is no single figure: what a mineral or royalty interest in Marathon Oil Ef LLC is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 1,318 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.

Counties here

Railroad Commission districts

Leases — page 1 of 7

  • MIDDLE MCCOWEN — oil, Marathon Oil Ef LLC, Atascosa County, 30.6 million reported
  • GUAJILLO EAST — oil, Marathon Oil Ef LLC, Atascosa County, 10.9 million reported
  • R. MAY B — oil, Marathon Oil Ef LLC, Atascosa County, 5.8 million reported
  • GOS — gas, Marathon Oil Ef LLC, Lavaca County, 4.3 million reported
  • BORIS UNIT — oil, Marathon Oil Ef LLC, Karnes County, 4.0 million reported
  • CHALLENGER UNIT C — oil, Marathon Oil Ef LLC, Karnes County, 3.9 million reported
  • KOOPMAN 01-L 01-S 01-A 01 SA2 — gas, Marathon Oil Ef LLC, De Witt County, 3.8 million reported
  • SAGER 01-DUDERSTADT 01 SA1 — gas, Marathon Oil Ef LLC, De Witt County, 3.7 million reported
  • SAGER 01-DUDERSTADT 01 SA2 — gas, Marathon Oil Ef LLC, De Witt County, 3.6 million reported
  • KOOPMAN 01-L 01-S 01-A 01 SA1 — gas, Marathon Oil Ef LLC, De Witt County, 3.4 million reported
  • WIEDING-WESTON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 3.4 million reported
  • NITSCH UNIT A-B PSA — gas, Marathon Oil Ef LLC, Live Oak County, 3.3 million reported
  • THREE SISTERS 01 — gas, Marathon Oil Ef LLC, Live Oak County, 3.3 million reported
  • DAVILA UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 3.2 million reported
  • WINGNUT UNIT 'A' — oil, Marathon Oil Ef LLC, Karnes County, 3.2 million reported
  • THREE SISTERS 01 — gas, Marathon Oil Ef LLC, Live Oak County, 3.2 million reported
  • WINGNUT UNIT 'B' — oil, Marathon Oil Ef LLC, Karnes County, 3.1 million reported
  • MOHR-HONS UNIT — oil, Marathon Oil Ef LLC, Karnes County, 3.1 million reported
  • JAUER-SONKA UNIT — oil, Marathon Oil Ef LLC, Karnes County, 3.0 million reported
  • NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 3.0 million reported
  • CHALLENGER UNIT A — oil, Marathon Oil Ef LLC, Karnes County, 2.9 million reported
  • THREE SISTERS 01 — gas, Marathon Oil Ef LLC, Live Oak County, 2.9 million reported
  • KIRK 01 — gas, Marathon Oil Ef LLC, Karnes County, 2.9 million reported
  • WESSENDORFF 02 — gas, Marathon Oil Ef LLC, Karnes County, 2.8 million reported
  • THREE SISTERS 01 — gas, Marathon Oil Ef LLC, Live Oak County, 2.8 million reported
  • WIEDING-WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.8 million reported
  • NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 2.8 million reported
  • DAVILA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.7 million reported
  • KARNES CITY SW UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.7 million reported
  • DAVILA-GRAHAM UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 2.7 million reported
  • FRANK MALEK 05 — gas, Marathon Oil Ef LLC, Live Oak County, 2.7 million reported
  • WIEDING-WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.7 million reported
  • KARNES CITY SE UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.7 million reported
  • EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.7 million reported
  • DAVILA-WESTON HENKE UNIT SA A — gas, Marathon Oil Ef LLC, Karnes County, 2.6 million reported
  • KARNES CITY NE UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.6 million reported
  • CHALLENGER UNIT B — oil, Marathon Oil Ef LLC, Karnes County, 2.6 million reported
  • WIEDING-WESTON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 2.6 million reported
  • BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.6 million reported
  • MAY UNIT 1 — oil, Marathon Oil Ef LLC, Karnes County, 2.6 million reported
  • SAGER 01 — gas, Marathon Oil Ef LLC, De Witt County, 2.5 million reported
  • FRANKE JOHNSON-PATINO 7H PSA — gas, Marathon Oil Ef LLC, Karnes County, 2.5 million reported
  • SAN CHRISTOVAL RANCH UNIT E — gas, Marathon Oil Ef LLC, Karnes County, 2.5 million reported
  • THREE SISTERS 01-LOP 02 SA1 — gas, Marathon Oil Ef LLC, Live Oak County, 2.5 million reported
  • FRANK MALEK 02 — gas, Marathon Oil Ef LLC, Live Oak County, 2.5 million reported
  • DEMING-DEBILL SA1 — gas, Marathon Oil Ef LLC, Karnes County, 2.5 million reported
  • LIVE OAK PARTNERS 01 — gas, Marathon Oil Ef LLC, Live Oak County, 2.5 million reported
  • WIEDING-WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.5 million reported
  • KIRK 01 — gas, Marathon Oil Ef LLC, Karnes County, 2.4 million reported
  • OLSON ESSE-KENNEDY SA2 — gas, Marathon Oil Ef LLC, Karnes County, 2.4 million reported
  • R. MAY A — oil, Marathon Oil Ef LLC, Atascosa County, 2.4 million reported
  • OLSON-ESSE UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.4 million reported
  • LESKE-LOTT UNIT — gas, Marathon Oil Ef LLC, De Witt County, 2.4 million reported
  • FRANK MALEK 02 — gas, Marathon Oil Ef LLC, Live Oak County, 2.4 million reported
  • THREE SISTERS 01-LOP 01 SA3 — gas, Marathon Oil Ef LLC, Live Oak County, 2.4 million reported
  • CHILDREN'S-WESTON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 2.4 million reported
  • GREIVE UNIT — gas, Marathon Oil Ef LLC, Lavaca County, 2.4 million reported
  • KIRK 01 — gas, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • FRANK MALEK 05 — gas, Marathon Oil Ef LLC, Live Oak County, 2.3 million reported
  • CARTER-HOLM UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • RIDLEY FARMS-DOUGLAS SA1 — gas, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • OLSON-ESSE UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • LESKE-LOTT UNIT — gas, Marathon Oil Ef LLC, De Witt County, 2.3 million reported
  • CARTER UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • KIRK 01 — gas, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • MAY B UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • LESKE-LOTT UNIT — gas, Marathon Oil Ef LLC, De Witt County, 2.3 million reported
  • DULLYE 01 — gas, Marathon Oil Ef LLC, Karnes County, 2.3 million reported
  • DEMING-LONG SA1 — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • MAY UNIT 1 — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • GIDEON CAZADORES HENKE UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • BURROW — oil, Marathon Oil Ef LLC, Gonzales County, 2.2 million reported
  • MOBIL C-D-W.WESTON PSA — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • PMT UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • DAVILA-WESTON HENKE UNIT SA B — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 2.2 million reported
  • DAVILA-WESTON HENKE UNIT SA C — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • DAVILA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • FRANK MALEK 02 — gas, Marathon Oil Ef LLC, Live Oak County, 2.2 million reported
  • NITSCH UNIT 'B' — gas, Marathon Oil Ef LLC, Live Oak County, 2.2 million reported
  • FRANK MALEK 05 — gas, Marathon Oil Ef LLC, Live Oak County, 2.2 million reported
  • DAVILA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • LABUS PITTMAN UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.2 million reported
  • BAILEY-RETZLOFF UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • WESTON GAS UNIT 1 — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • THREE SISTERS 01-LOP 01 SA2 — gas, Marathon Oil Ef LLC, Live Oak County, 2.1 million reported
  • FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 2.1 million reported
  • WESTON GAS UNIT 1 — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • KARNES CITY NW UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • MAY-CHAPMAN — oil, Marathon Oil Ef LLC, Atascosa County, 2.1 million reported
  • JANSSEN - OETKEN 01 A — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • F.JOHNSON-J.TSCHIRHART 10H PSA — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 2.1 million reported
  • MOBIL UNIT C — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • OLSON-ESSE UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • KENNEDY-OLSON ESSE 3H PSA — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • SAN CHRISTOVAL RANCH UNIT A — oil, Marathon Oil Ef LLC, Live Oak County, 2.1 million reported
  • COY CITY RANCH UNIT B — oil, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • WILLBERN-BUEGELER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • KENNEDY-OLSON ESSE 7H PSA — gas, Marathon Oil Ef LLC, Karnes County, 2.1 million reported
  • KRANER UNIT A AC — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 2.0 million reported
  • KRANER UNIT A AC — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • GUAJILLO WEST — oil, Marathon Oil Ef LLC, Atascosa County, 2.0 million reported
  • MEDINA-HOFFMAN UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • FRANK MALEK 02 — gas, Marathon Oil Ef LLC, Live Oak County, 2.0 million reported
  • OLSON-ESSE UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • DAVILA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • RIPPSTEIN-GOTTHARDT UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • SAN CHRISTOVAL RANCH UNIT E — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • CHOATE-DULLYE SA1 — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • OLSON-ESSE UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • CHILDREN'S-WESTON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • MOBIL UNIT C — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • PATINO-FRANKE UNIT SA1 — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • EGBERT UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • DRAKE-BORCHERS UNIT — oil, Marathon Oil Ef LLC, Gonzales County, 2.0 million reported
  • SAN CHRISTOVAL RANCH UNIT G — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • FRANKE UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • SALGE-BUSSELMAN UNIT — oil, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • DAVILA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 2.0 million reported
  • HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 2.0 million reported
  • HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 2.0 million reported
  • FRANKE-FOSTER-PATINO SA11 — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • MURPHY-SINCLAIR UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 1.9 million reported
  • WESTON GAS UNIT 1 — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • DEBILL-LISKA SA1 — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • BARBOZA UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • NITSCH UNIT 'B' — gas, Marathon Oil Ef LLC, Live Oak County, 1.9 million reported
  • BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • DAVILA-GRAHAM UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • MAY UNIT 1 — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 1.9 million reported
  • SAN CHRISTOVAL RANCH UNIT E — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 1.9 million reported
  • MOBIL UNIT B AC — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • DULLYE 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • OXFORD UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • DAVILA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • EASLEY UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.9 million reported
  • KOWALIK 228-1R — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • DRELLEK UNIT — gas, Marathon Oil Ef LLC, Lavaca County, 1.8 million reported
  • MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • KRANER UNIT A AC — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • SAN CHRISTOVAL RANCH UNIT G — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • KIRK 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • 74 RANCH UNIT S3 — oil, Marathon Oil Ef LLC, Atascosa County, 1.8 million reported
  • THREE SISTERS 01 — gas, Marathon Oil Ef LLC, Live Oak County, 1.8 million reported
  • LESKE-LOTT UNIT — gas, Marathon Oil Ef LLC, De Witt County, 1.8 million reported
  • DAVIDSON OXFORD UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • KOWALIK 228-1R — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • DAVILA UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • MAY B UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • RANCHO GRANDE TRUST UNIT NO. 1 — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • RIPPSTEIN-MIKKELSON UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • SAN CHRISTOVAL RANCH UNIT E — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • FRANCES — gas, Marathon Oil Ef LLC, Lavaca County, 1.8 million reported
  • HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.8 million reported
  • COMANCHE — gas, Marathon Oil Ef LLC, Lavaca County, 1.8 million reported
  • JANSSEN - OETKEN 01 B — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • JOHNSON-PATINO-TSCHIRHART 8H PSA — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.8 million reported
  • MEDINA-JONAS UNIT A — oil, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • ZAESKE-ECKOLS UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • SALGE-KINKLER UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • RESSMAN-JAMES GANO SA1 — gas, Marathon Oil Ef LLC, De Witt County, 1.8 million reported
  • FOSTER UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • OLSON ESSE-KENNEDY SA1 — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • BARNHART (EF) K — oil, Marathon Oil Ef LLC, Gonzales County, 1.8 million reported
  • HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.8 million reported
  • DULLYE 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.8 million reported
  • THREE SISTERS 01 — gas, Marathon Oil Ef LLC, Live Oak County, 1.8 million reported
  • HOPE-BRUNS SA1 — gas, Marathon Oil Ef LLC, De Witt County, 1.8 million reported
  • RANCHO GRANDE TRUST UNIT NO. 1 — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
  • MOBIL UNIT C — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
  • BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
  • BLACKJACK UNIT 'B' — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
  • FRANKE-MAY UNIT A — oil, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
  • CHILDREN'S WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
  • BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million 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.