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Texas gas well

Producing

DULLYE 01

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

1 well

443,489mcf gas, last 12 months−57% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-296359

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
38,498 bbl
Gas in Jul 2026
547 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 18% 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 57% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 57% over the last 12 monthsMonthly gas production and oil for DULLYE 01, Mar 2024 to Jul 2026. Gas output fell 57% over the last 12 months. 443,489 mcf in the 12 months through Jul 2026, against 1,037,602 mcf in the 12 months before.Last 12 months: 443,489 mcfmcf per monthbbl per month0050k5,000100k10k150k15k200k20k250k25kApr 24JulOctJan 25AprJulOctJan 26AprJul
Gas output fell 57% over the last 12 monthsMonthly gas production and oil for DULLYE 01, Mar 2024 to Jul 2026. Gas output fell 57% over the last 12 months. 443,489 mcf in the 12 months through Jul 2026, against 1,037,602 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0050k5,000100k10k150k15k200k20k250k25kJul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

95% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
95% of the gas went to a processing plant in the last 12 monthsShare of DULLYE 01 gas by disposition code each month, Mar 2024 to Jul 2026. 95% 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
95% of the gas went to a processing plant in the last 12 monthsShare of DULLYE 01 gas by disposition code each month, Mar 2024 to Jul 2026. 95% 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)

    95% · 479,370 mcf

  • Lease fuel (1)

    4.9% · 24,707 mcf

1 well on this lease

Wells on DULLYE 01
API numberWell no.Status
42-255-3783010HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers34Dec 9, 2023
Endeavor Crude, LLCCondensateGathers33Dec 9, 2023
Trafigura Trading LLCCondensateGathers33Dec 9, 2023
Marathon Oil Ef LLCGas-well gasBuys100Dec 9, 2023
Marathon Oil Ef LLCGas-well gasGathers100Dec 9, 2023

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

Who buys my oilOil price check

704 acres on the newest permit

  • 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 Dullye 01
API numberWell no.Acreson the permit
42-255-3783010H704

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

29 months, newest first

Ledger for DULLYE 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,5222,5225475100$80.46$2.89
Jun 202600000$84.81$3.15
May 20262,1092,10924,94523,2140$102.13$2.94
Apr 20262,5732,57336,91934,8730$100.32$2.77
Mar 20262,8422,84239,72137,5650$91.38$3.04
Feb 20262,3752,37538,32436,3470$64.51$3.62
Jan 20263,9073,90745,46143,0410$60.04$7.72
Dec 20255,3765,37648,48546,0840$57.97$4.26
Nov 20253,8203,82048,79446,1810$60.06$3.79
Oct 20254,1344,13453,09850,0690$60.89$3.19
Sep 20254,1684,16852,11249,8530$63.96$2.97
Aug 20254,6724,67255,08353,0090$64.86$2.91
Jul 20253,9253,92560,58858,6240$68.39$3.20
Jun 20254,5384,53863,16161,7180$68.17$3.02
May 20254,5364,53670,32468,8430$62.17$3.12
Apr 20253,8823,88267,56166,2350$63.54$3.42
Mar 20254,4824,48273,59572,4140$68.24$4.12
Feb 20256,2756,27574,28273,2590$71.53$4.19
Jan 20257,6097,60983,18582,2920$75.74$4.13
Dec 20248,8128,81290,94390,0050$70.12$3.01
Nov 20249,3889,38893,14492,3080$69.95$2.12
Oct 202410,87410,874107,971107,1080$71.99$2.20
Sep 202412,05412,054120,114119,0840$70.24$2.28
Aug 202415,51315,513132,734131,4290$76.68$1.99
Jul 202415,33915,339144,688144,6880$81.80$2.07
Jun 202418,01718,017152,225151,7210$79.77$2.54
May 202420,58420,584171,728170,8640$80.02$2.12
Apr 202424,19324,193182,064181,9490$85.35$1.60
Mar 202416,95616,956120,636120,6040$81.28$1.49

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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