Skip to content
Royalty Clerk

Texas gas well

Producing

CULBERSON-PATTESON UNIT AC

Culberson-Patteson Unit Ac is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Austin Chalk) field.

Gas well dossier

1,684mcf gas, last 12 months−79% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-289303

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
478 bbl
Gas in Jul 2026
272 mcf

Production by month

Gas output fell 79% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 79% over the last 12 monthsMonthly gas production and oil for CULBERSON-PATTESON UNIT AC, Aug 2023 to Jul 2026. Gas output fell 79% over the last 12 months. 1,684 mcf in the 12 months through Jul 2026, against 8,026 mcf in the 12 months before.Last 12 months: 1,684 mcfmcf per monthbbl per month002,0001004,0002006,0003008,000400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 79% over the last 12 monthsMonthly gas production and oil for CULBERSON-PATTESON UNIT AC, Aug 2023 to Jul 2026. Gas output fell 79% over the last 12 months. 1,684 mcf in the 12 months through Jul 2026, against 8,026 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0001004,0002006,0003008,000400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

68% of the gas went to a processing plant in the last 12 months

Flaring peaked at 3.6% of the gas in Feb 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
68% of the gas went to a processing plant in the last 12 monthsShare of CULBERSON-PATTESON UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. 68% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.6% of the gas in Feb 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
68% of the gas went to a processing plant in the last 12 monthsShare of CULBERSON-PATTESON UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. 68% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.6% of the gas in Feb 2026.Share of gas by disposition code0%50%100%Flared 3.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    68% · 2,005 mcf

  • Lease fuel (1)

    32% · 948 mcf

  • Flared (4)

    0.5% · 16 mcf

0.5% of the gas flared in the last 12 months. One month above 3%.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Jul 1, 2022–
Reynolds Energy Transport LLCCondensateGathers25Jul 1, 2022–
Trafigura Trading LLCCondensateGathers25Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Apr 5, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Apr 5, 2015–
Enterprise Crude Oil LLCCondensateGathers1Apr 5, 2015Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers1Apr 5, 2015Jul 1, 2022
Marathon Oil Ef LLCCondensateGathers97Apr 5, 2015Jul 1, 2022
Trafigura Trading LLCCondensateGathers1Apr 5, 2015Jul 1, 2022

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

Who buys my oilOil price check

300.50 acres on the newest permit

Check your decimal on this lease
Permits for Culberson-Patteson Unit Ac
API numberWell no.Acreson the permit
42-255-340921H300.50

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 CULBERSON-PATTESON UNIT AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202664672721821$80.46$2.89
Jun 20261191253412391$84.81$3.15
May 20261911825723924$102.13$2.94
Apr 202692864502973$100.32$2.77
Mar 20262220140$91.38$3.04
Feb 20260028191$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202501000$63.96$2.97
Aug 20251013110$64.86$2.91
Jul 202574732911941$68.39$3.20
Jun 202578814352962$68.17$3.02
May 202578752921942$62.17$3.12
Apr 202561612601721$63.54$3.42
Mar 20254949750$68.24$4.12
Feb 2025505385571$71.53$4.19
Jan 202587831651123$75.74$4.13
Dec 2024323490610$70.12$3.01
Nov 202474743002052$69.95$2.12
Oct 202465654643203$71.99$2.20
Sep 202482816324302$70.24$2.28
Aug 202469715,0053,43017$76.68$1.99
Jul 202486853,2082,25918$81.80$2.07
Jun 202469681,9561,3757$79.77$2.54
May 202480862,2251,55911$80.02$2.12
Apr 20241731693,6582,38937$85.35$1.60
Mar 20241041052,8041,99212$81.28$1.49
Feb 20241261342,7772,1118$77.25$1.72
Jan 20242392423,7062,92328$74.15$3.18
Dec 20233453384,8853,72412$71.90$2.52
Nov 20232342302,2681,45217$77.69$2.71
Oct 20231331341,3559534$85.64$2.98
Sep 20231671628755053$89.43$2.64
Aug 202351521,0376228$81.39$2.58

Flared above 3%

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

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

All Marathon Oil Ef LLC leases →

Sugarkane (Austin Chalk) field

All leases in this field →

New drilling permits in Karnes County

Newest in the county: this lease has no coordinates.