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Texas gas well

Producing

JANSSEN - OETKEN 01 A

Janssen - Oetken 01 A is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

221,744mcf gas, last 12 months−42% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-294627

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
11,143 bbl
Gas in Jul 2026
17,531 mcf

Production by month

Gas output fell 42% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 42% over the last 12 monthsMonthly gas production and oil for JANSSEN - OETKEN 01 A, Aug 2023 to Jul 2026. Gas output fell 42% over the last 12 months. 221,744 mcf in the 12 months through Jul 2026, against 380,086 mcf in the 12 months before.Last 12 months: 221,744 mcfmcf per monthbbl per month0050k2,500100k5,000150k7,500200k10k250k12.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 42% over the last 12 monthsMonthly gas production and oil for JANSSEN - OETKEN 01 A, Aug 2023 to Jul 2026. Gas output fell 42% over the last 12 months. 221,744 mcf in the 12 months through Jul 2026, against 380,086 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0050k2,500100k5,000150k7,500200k10k250k12.5kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
98% of the gas went to a processing plant in the last 12 monthsShare of JANSSEN - OETKEN 01 A gas by disposition code each month, Aug 2023 to Jul 2026. 98% 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
98% of the gas went to a processing plant in the last 12 monthsShare of JANSSEN - OETKEN 01 A gas by disposition code each month, Aug 2023 to Jul 2026. 98% 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)

    98% · 216,739 mcf

  • Lease fuel (1)

    2.3% · 5,005 mcf

1 well on this lease

Wells on JANSSEN - OETKEN 01 A
API numberWell no.Status
42-255-3759401HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers50Dec 26, 2022
Enterprise Crude Pipeline LLCCondensateGathers50Dec 26, 2022
Marathon Oil Ef LLCGas-well gasBuys100Dec 26, 2022
Marathon Oil Ef LLCGas-well gasGathers100Dec 26, 2022

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

Who buys my oilOil price check

694.23 acres on the newest permit

  • Worth asking

    A production sharing agreement well is on this lease

    A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives 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 Janssen - Oetken 01 A
API numberWell no.Acreson the permit
42-255-3759401H694.23

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 JANSSEN - OETKEN 01 A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202621521517,53117,0320$80.46$2.89
Jun 202687487416,60516,0770$84.81$3.15
May 20261,0601,06017,54317,5430$102.13$2.94
Apr 202680580517,50416,9870$100.32$2.77
Mar 202698298219,51918,9510$91.38$3.04
Feb 20261,5151,51518,47617,9800$64.51$3.62
Jan 20261,4281,42817,14016,7430$60.04$7.72
Dec 202597397319,44218,9820$57.97$4.26
Nov 202592292217,59717,2260$60.06$3.79
Oct 202573873819,32718,9240$60.89$3.19
Sep 202582682621,35820,9300$63.96$2.97
Aug 202580580519,70219,3640$64.86$2.91
Jul 20251,1551,15523,40122,4840$68.39$3.20
Jun 20251,9611,96124,47123,5450$68.17$3.02
May 20251,9541,95425,69924,9090$62.17$3.12
Apr 20251,8371,83726,51725,7900$63.54$3.42
Mar 20251,2321,23229,37228,6440$68.24$4.12
Feb 20251,7071,70725,84925,2880$71.53$4.19
Jan 20252,0972,09729,55828,8120$75.74$4.13
Dec 20242,3902,39033,56532,7370$70.12$3.01
Nov 20242,3212,32135,64434,9300$69.95$2.12
Oct 20242,3392,33939,61539,0710$71.99$2.20
Sep 20242,2312,23142,78742,0100$70.24$2.28
Aug 20242,8102,81043,60843,4190$76.68$1.99
Jul 20243,1633,16346,99846,7220$81.80$2.07
Jun 20242,3122,31241,12940,9460$79.77$2.54
May 20243,1853,18558,43558,0950$80.02$2.12
Apr 20244,2954,29561,18761,1870$85.35$1.60
Mar 20245,0325,03274,37574,3750$81.28$1.49
Feb 20245,6255,62575,87975,8790$77.25$1.72
Jan 20245,2605,26066,17366,1730$74.15$3.18
Dec 20236,4996,49982,08982,0890$71.90$2.52
Nov 20237,0847,08488,69688,6960$77.69$2.71
Oct 20238,1058,10598,50898,5080$85.64$2.98
Sep 20239,5539,553108,859108,8590$89.43$2.64
Aug 202311,64511,645129,468129,4680$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 LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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