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Texas gas well

Producing

KOOPMAN 01-L 01-S 01-A 01 SA1

Koopman 01-L 01-S 01-A 01 Sa1 is a gas well in De Witt County, Texas, operated by Marathon Oil Ef LLC in the De Witt (Eagle Ford Shale) field.

1 well

861,057mcf gas, last 12 months−55% vs prior year
Operator
Marathon Oil Ef LLC
County
De Witt County
Field
De Witt (Eagle Ford Shale)
RRC lease
02-296667

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Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Oil, last 12 months
58,700 bbl
Gas in Jul 2026
53,759 mcf

Production by month

Gas output fell 55% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 55% over the last 12 monthsMonthly gas production and oil for KOOPMAN 01-L 01-S 01-A 01 SA1, Apr 2024 to Jul 2026. Gas output fell 55% over the last 12 months. 861,057 mcf in the 12 months through Jul 2026, against 1,895,425 mcf in the 12 months before.Last 12 months: 861,057 mcfmcf per monthbbl per month00100k10k200k20k300k30k400k40kApr 24JulOctJan 25AprJulOctJan 26AprJul
Gas output fell 55% over the last 12 monthsMonthly gas production and oil for KOOPMAN 01-L 01-S 01-A 01 SA1, Apr 2024 to Jul 2026. Gas output fell 55% over the last 12 months. 861,057 mcf in the 12 months through Jul 2026, against 1,895,425 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month00100k10k200k20k300k30k400k40kJul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

97% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
97% of the gas went to a processing plant in the last 12 monthsShare of KOOPMAN 01-L 01-S 01-A 01 SA1 gas by disposition code each month, Apr 2024 to Jul 2026. 97% 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%Apr 24JulOctJan 25AprJulOctJan 26AprJul
97% of the gas went to a processing plant in the last 12 monthsShare of KOOPMAN 01-L 01-S 01-A 01 SA1 gas by disposition code each month, Apr 2024 to Jul 2026. 97% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    97% · 838,845 mcf

  • Lease fuel (1)

    2.6% · 22,212 mcf

1 well on this lease

Wells on KOOPMAN 01-L 01-S 01-A 01 SA1
API numberWell no.Status
42-123-3534701HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers50Jan 22, 2024
Enterprise Crude Pipeline LLCCondensateGathers50Jan 22, 2024
Marathon Oil Ef LLCGas-well gasBuys100Jan 22, 2024
Marathon Oil Ef LLCGas-well gasGathers100Jan 22, 2024

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

Who buys my oilOil price check

2,111.95 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Koopman 01-L 01-S 01-A 01 Sa1
API numberWell no.Acreson the permit
42-123-3534701H2,111.95

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

28 months, newest first

Ledger for KOOPMAN 01-L 01-S 01-A 01 SA1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263,2293,22953,75952,1920$80.46$2.89
Jun 20263,0913,09154,81653,2840$84.81$3.15
May 20263,5873,58761,03659,5650$102.13$2.94
Apr 20263,3653,36563,69861,6540$100.32$2.77
Mar 20263,8483,84868,53566,7880$91.38$3.04
Feb 20264,0454,04559,38357,9940$64.51$3.62
Jan 20265,3145,31472,39570,9170$60.04$7.72
Dec 20255,7045,70478,20876,2970$57.97$4.26
Nov 20255,9445,94478,57176,5900$60.06$3.79
Oct 20256,4896,48986,34783,9050$60.89$3.19
Sep 20256,4636,46388,93386,6900$63.96$2.97
Aug 20257,6217,62195,37692,9690$64.86$2.91
Jul 20257,7047,704102,766100,3440$68.39$3.20
Jun 20258,8038,803108,048105,4140$68.17$3.02
May 20259,2729,272118,537115,9720$62.17$3.12
Apr 202510,03010,030125,837123,4180$63.54$3.42
Mar 202511,64411,644140,798138,4520$68.24$4.12
Feb 202511,71911,719138,778137,0210$71.53$4.19
Jan 202514,43414,434164,964162,4800$75.74$4.13
Dec 202415,45015,450170,037166,6290$70.12$3.01
Nov 202419,29719,297188,685184,9430$69.95$2.12
Oct 202420,45220,452199,941196,1430$71.99$2.20
Sep 202419,29519,295208,295205,1610$70.24$2.28
Aug 202421,23421,234228,739228,7390$76.68$1.99
Jul 202423,38223,382231,865231,8650$81.80$2.07
Jun 202426,38826,388238,603238,6030$79.77$2.54
May 202433,11833,118273,452273,4520$80.02$2.12
Apr 20248,1968,19649,74749,7470$85.35$1.60

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 LLCFieldDe Witt (Eagle Ford Shale)CountyDe Witt County

Marathon Oil Ef LLC in De Witt County

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