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Texas gas well

Producing

AFFLERBACH 01 - R01 - M01 A

Afflerbach 01 - R01 - M01 A 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

49,344mcf gas, last 12 months−70% vs prior year
Operator
Marathon Oil Ef LLC
County
De Witt County
Field
De Witt (Eagle Ford Shale)
RRC lease
02-292489

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Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Oil, last 12 months
1,279 bbl
Gas in Jul 2026
10 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 1% of the 9 months before.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Gas output fell 70% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 70% over the last 12 monthsMonthly gas production and oil for AFFLERBACH 01 - R01 - M01 A, Aug 2023 to Jul 2026. Gas output fell 70% over the last 12 months. 49,344 mcf in the 12 months through Jul 2026, against 162,524 mcf in the 12 months before.Last 12 months: 49,344 mcfmcf per monthbbl per month0010k25020k50030k75040k1,00050k1,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 70% over the last 12 monthsMonthly gas production and oil for AFFLERBACH 01 - R01 - M01 A, Aug 2023 to Jul 2026. Gas output fell 70% over the last 12 months. 49,344 mcf in the 12 months through Jul 2026, against 162,524 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0010k25020k50030k75040k1,00050k1,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

93% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
93% of the gas went to a processing plant in the last 12 monthsShare of AFFLERBACH 01 - R01 - M01 A gas by disposition code each month, Aug 2023 to Jul 2026. 93% 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
93% of the gas went to a processing plant in the last 12 monthsShare of AFFLERBACH 01 - R01 - M01 A gas by disposition code each month, Aug 2023 to Jul 2026. 93% 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)

    93% · 55,906 mcf

  • Lease fuel (1)

    7.1% · 4,297 mcf

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeEnsign Operating LLC, Apr 2022 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262023202420252026Changed Mar 2023Ensign Operating LLCApr 2022 to Feb 2023Marathon Oil Ef LLCMar 2023 to now
Operators of this lease over timeEnsign Operating LLC, Apr 2022 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262023202420252026Changed Mar 2023Ensign Operating LLCApr 2022 to Feb 2023Marathon Oil Ef LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on AFFLERBACH 01 - R01 - M01 A
API numberWell no.Status
42-123-3511901HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Mar 1, 2023–
Enterprise Crude Pipeline LLCCondensateGathers50Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasBuys100Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasGathers100Mar 1, 2023–
Ensign Operating LLCCondensateGathers50Apr 1, 2022Mar 1, 2023
Enterprise Crude Oil LLCCondensateGathers25Apr 1, 2022Mar 1, 2023
Enterprise Crude Pipeline LLCCondensateGathers25Apr 1, 2022Mar 1, 2023
Ensign Operating LLCGas-well gasGathers50Apr 1, 2022Mar 1, 2023
Enterprise Products Operating LLCGas-well gasGathers50Apr 1, 2022Mar 1, 2023
Enterprise Products Operating LLCGas-well gasBuys100Apr 1, 2022Mar 1, 2023

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

Who buys my oilOil price check

1,484.86 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 Afflerbach 01 - R01 - M01 A
API numberWell no.Acreson the permit
42-123-3511901H1,484.86

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 AFFLERBACH 01 - R01 - M01 A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil001090$80.46$2.89
Jun 2026Marathon Oil0065600$84.81$3.15
May 2026Marathon Oil7784770$102.13$2.94
Apr 2026Marathon Oil27271741620$100.32$2.77
Mar 2026Marathon Oil00000$91.38$3.04
Feb 2026Marathon Oil4414130$64.51$3.62
Jan 2026Marathon Oil1081084,7064,3780$60.04$7.72
Dec 2025Marathon Oil2212218,4767,6440$57.97$4.26
Nov 2025Marathon Oil2382388,2607,5530$60.06$3.79
Oct 2025Marathon Oil2342348,4587,8410$60.89$3.19
Sep 2025Marathon Oil1501507,3296,7970$63.96$2.97
Aug 2025Marathon Oil29029011,76811,1500$64.86$2.91
Jul 2025Marathon Oil22522510,85910,2220$68.39$3.20
Jun 2025Marathon Oil94948,7318,0430$68.17$3.02
May 2025Marathon Oil999288670$62.17$3.12
Apr 2025Marathon Oil1091096,9106,4510$63.54$3.42
Mar 2025Marathon Oil57357313,63812,8760$68.24$4.12
Feb 2025Marathon Oil55155112,53411,9240$71.53$4.19
Jan 2025Marathon Oil78178118,44217,2330$75.74$4.13
Dec 2024Marathon Oil65665611,94211,2510$70.12$3.01
Nov 2024Marathon Oil72172117,60716,5590$69.95$2.12
Oct 2024Marathon Oil69569519,01817,9580$71.99$2.20
Sep 2024Marathon Oil86886823,74122,4930$70.24$2.28
Aug 2024Marathon Oil67367318,17418,1730$76.68$1.99
Jul 2024Marathon Oil62162117,56317,5590$81.80$2.07
Jun 2024Marathon Oil77477422,53422,5320$79.77$2.54
May 2024Marathon Oil58758715,64115,6400$80.02$2.12
Apr 2024Marathon Oil59059017,67417,6630$85.35$1.60
Mar 2024Marathon Oil76076019,34819,3450$81.28$1.49
Feb 2024Marathon Oil90290220,64120,6410$77.25$1.72
Jan 2024Marathon Oil96796717,58817,5860$74.15$3.18
Dec 2023Marathon Oil1,0351,03524,24224,2410$71.90$2.52
Nov 2023Marathon Oil97597526,35826,3570$77.69$2.71
Oct 2023Marathon Oil79679625,81925,8170$85.64$2.98
Sep 2023Marathon Oil76076027,32127,3200$89.43$2.64
Aug 2023Marathon Oil81181129,04529,0280$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 LLCFieldDe Witt (Eagle Ford Shale)CountyDe Witt County

Marathon Oil Ef LLC in De Witt County

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De Witt (Eagle Ford Shale) field

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