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Texas oil lease

Producing

PFEIFER UNIT

Pfeifer Unit is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

4 wells

3,377bbl oil, last 12 months−57% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-09817

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
4,271 mcf
Oil in Jul 2026
526 bbl

Production by month

Oil output fell 57% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for PFEIFER UNIT, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 3,377 bbl in the 12 months through Jul 2026, against 7,768 bbl in the 12 months before.Last 12 months: 3,377 bblbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,0002,5005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for PFEIFER UNIT, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 3,377 bbl in the 12 months through Jul 2026, against 7,768 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,0002,5005,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

89% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
89% of the gas went to a processing plant in the last 12 monthsShare of PFEIFER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 89% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
89% of the gas went to a processing plant in the last 12 monthsShare of PFEIFER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 89% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    89% · 4,687 mcf

  • Lease fuel (1)

    10% · 530 mcf

  • Flared (4)

    0.5% · 25 mcf

0.5% of the gas flared in the last 12 months. No month above 3%.

4 wells on this lease

Wells on PFEIFER UNIT
API numberWell no.Status
42-255-319921HActive
42-255-326752HActive
42-255-327563HActive
42-255-327574HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers20Nov 1, 2011–
Genesis Crude Oil, L.p.OilGathers20Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers20Jul 1, 2022–
Shell Trading (Us) CompanyOilGathers20Nov 1, 2011–
Statewide Crude Inc.OilGathers20Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasGathers100Jul 1, 2022–
Genesis Crude Oil, L.p.OilGathers10Nov 1, 2011Jul 1, 2022
Gulfmark Energy, Inc.OilGathers35Nov 1, 2011Jul 1, 2022
Permian Crude Transport, LPOilGathers5Dec 1, 2016Jul 1, 2022
Statewide Crude Inc.OilGathers10Jul 27, 2011Jul 1, 2022

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

286.20 acres on the newest permit

Permits for Pfeifer Unit
API numberWell no.Acreson the permit
42-255-327574H286.20
42-255-327563H286.20
42-255-326752H286.20
42-255-319921H286.20

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

What ConocoPhillips told investors it received

Marathon Oil Ef LLC is linked to ConocoPhillips (MRO).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for PFEIFER UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20265265277977013$80.46$2.89
Jun 20264784757626713$84.81$3.15
May 20261601621251081$102.13$2.94
Apr 20262182152662401$100.32$2.77
Mar 202603000$91.38$3.04
Feb 20262882863062721$64.51$3.62
Jan 2026109108111990$60.04$7.72
Dec 2025192474641$57.97$4.26
Nov 20255635626175494$60.06$3.79
Oct 20254574585795231$60.89$3.19
Sep 20255595546345773$63.96$2.97
Aug 202503000$64.86$2.91
Jul 20253463473603292$68.39$3.20
Jun 20255475466115545$68.17$3.02
May 20256106075284794$62.17$3.12
Apr 202500000$63.54$3.42
Mar 202500000$68.24$4.12
Feb 202500000$71.53$4.19
Jan 202504000$75.74$4.13
Dec 20248108107897222$70.12$3.01
Nov 20248068076455932$69.95$2.12
Oct 20241,2841,2831,3961,2954$71.99$2.20
Sep 20241,1211,1361,8811,7473$70.24$2.28
Aug 20242,2442,2332,4102,2435$76.68$1.99
Jul 20241,9471,9461,8891,7513$81.80$2.07
Jun 20241,6541,6561,9471,8023$79.77$2.54
May 20241,6041,6042,3392,1685$80.02$2.12
Apr 20242,0252,0212,5982,34124$85.35$1.60
Mar 20241,0721,0761,6271,5006$81.28$1.49
Feb 20241,5671,5631,9401,8524$77.25$1.72
Jan 20249689701,4741,4004$74.15$3.18
Dec 20231,7271,7291,6631,5796$71.90$2.52
Nov 20237807769569074$77.69$2.71
Oct 20231,4851,4912,1252,0252$85.64$2.98
Sep 20231,4731,4671,8051,7182$89.43$2.64
Aug 20231,3151,3171,3671,2962$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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