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Texas oil lease

Producing

OXFORD UNIT

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

6 wells

41,543bbl oil, last 12 months−40% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-09825

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
66,768 mcf
Oil in Jul 2026
4,935 bbl

Production by month

Oil output fell 40% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for OXFORD UNIT, Aug 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 41,543 bbl in the 12 months through Jul 2026, against 68,713 bbl in the 12 months before.Last 12 months: 41,543 bblbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for OXFORD UNIT, Aug 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 41,543 bbl in the 12 months through Jul 2026, against 68,713 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

73% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
73% of the gas went to a processing plant in the last 12 monthsShare of OXFORD UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 73% 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
73% of the gas went to a processing plant in the last 12 monthsShare of OXFORD UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 73% 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)

    73% · 48,995 mcf

  • Lease fuel (1)

    25% · 17,016 mcf

  • Flared (4)

    1.1% · 757 mcf

1.1% of the gas flared in the last 12 months. No month above 3%.

6 wells on this lease

Wells on OXFORD UNIT
API numberWell no.Status
42-255-320961HActive
42-255-353492HActive
42-255-353503HActive
42-255-353514HActive
42-255-353525HActive
42-255-35434503HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Endeavor Crude, LLCOilGathers25Jan 1, 2024–
Enterprise Crude Oil LLCOilGathers25Jan 1, 2024–
Genesis Crude Oil, L.p.OilGathers25Jan 1, 2024–
Statewide Crude Inc.OilGathers25Jan 1, 2024–
Marathon Oil Ef LLCCasinghead gasBuys100Feb 15, 2017–
Marathon Oil Ef LLCCasinghead gasGathers100Feb 15, 2017–
Dks Transport LLCOilGathers20Jul 1, 2022Jan 1, 2024
Enterprise Crude Oil LLCOilGathers20Jul 1, 2022Jan 1, 2024
Harvest Midstream CompanyOilGathers20Jul 1, 2022Jan 1, 2024
Reynolds Energy Transport LLCOilGathers20Jul 1, 2022Jan 1, 2024
Trafigura Trading LLCOilGathers20Jul 1, 2022Jan 1, 2024
Dks Transport LLCOilGathers25Nov 1, 2021Jul 1, 2022

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

Who buys my oilOil price check

319.56 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 319.56 and 320 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Oxford Unit
API numberWell no.Acreson the permit
42-255-35434503H319.56
42-255-353492H319.56
42-255-353503H319.56
42-255-353514H319.56
42-255-353525H319.56
42-255-320961H320

SourceRailroad Commission drilling permits, Oct 3, 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 OXFORD UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264,9354,8664,1552,39447$80.46$2.89
Jun 20268558681,04667913$84.81$3.15
May 20261,4281,4331,23374915$102.13$2.94
Apr 20261,7571,7571,7881,21818$100.32$2.77
Mar 20262,1332,1321,8381,26632$91.38$3.04
Feb 20261,9722,0252,5101,77044$64.51$3.62
Jan 20264,6984,6786,7914,958163$60.04$7.72
Dec 20255,0215,0036,3554,79669$57.97$4.26
Nov 20253,2123,2406,5494,90876$60.06$3.79
Oct 20254,8004,78810,7458,00676$60.89$3.19
Sep 20255,2005,20311,4588,71850$63.96$2.97
Aug 20255,5325,54612,3009,533154$64.86$2.91
Jul 20254,8584,84410,4447,980101$68.39$3.20
Jun 20254,9884,98711,0198,377102$68.17$3.02
May 20255,5115,59613,38610,299123$62.17$3.12
Apr 20255,4475,35510,6888,287101$63.54$3.42
Mar 20255,6045,6109,4267,11658$68.24$4.12
Feb 20254,7644,7618,2616,26560$71.53$4.19
Jan 20255,1005,1007,2815,50460$75.74$4.13
Dec 20246,0075,99910,9918,53759$70.12$3.01
Nov 20246,2266,22210,8458,61655$69.95$2.12
Oct 20246,6166,6239,5697,67557$71.99$2.20
Sep 20246,4786,47811,0598,80476$70.24$2.28
Aug 20247,1147,11114,24411,357104$76.68$1.99
Jul 20247,8517,84816,52313,473122$81.80$2.07
Jun 20248,6908,68414,77712,35186$79.77$2.54
May 20246,9326,9159,1117,75047$80.02$2.12
Apr 20244,2994,3085,6524,73666$85.35$1.60
Mar 20246,0326,0246,5105,55429$81.28$1.49
Feb 20245,2885,2964,1092,70175$77.25$1.72
Jan 20243,3213,3113,6592,75742$74.15$3.18
Dec 20236,5156,5135,7984,01861$71.90$2.52
Nov 20236,3026,2986,3014,38373$77.69$2.71
Oct 20235,7815,7786,0464,22636$85.64$2.98
Sep 20235,4305,4494,3662,71132$89.43$2.64
Aug 20235,6225,6327,0265,39241$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

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

Marathon Oil Ef LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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