Skip to content
Royalty Clerk

Texas oil lease

Producing

MEDINA-HOFFMAN UNIT AC

Medina-Hoffman Unit Ac is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Austin Chalk) field.

1 well

8,403bbl oil, last 12 months−32% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-11660

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
21,265 mcf
Oil in Jul 2026
0 bbl

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 23% 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

Oil output fell 32% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for MEDINA-HOFFMAN UNIT AC, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 8,403 bbl in the 12 months through Jul 2026, against 12,438 bbl in the 12 months before.Last 12 months: 8,403 bblbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,0002,5005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for MEDINA-HOFFMAN UNIT AC, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 8,403 bbl in the 12 months through Jul 2026, against 12,438 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,0002,5005,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jan 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 4.4% of the gas in Oct 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Jan 2024 the lease's gas goes to a processing plant instead of lease fuelShare of MEDINA-HOFFMAN UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.4% of the gas in Oct 2023.Share of the lease’s gas by disposition code, per month0%50%100%Jan 2024: fuel to plantFlared 4.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jan 2024 the lease's gas goes to a processing plant instead of lease fuelShare of MEDINA-HOFFMAN UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.4% of the gas in Oct 2023.Share of gas by disposition code0%50%100%Jan 24: fuel to plantFlared 4.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    75% · 18,820 mcf

  • Lease fuel (1)

    24% · 5,912 mcf

  • Flared (4)

    1.3% · 322 mcf

1.3% of the gas flared in the last 12 months. 2 months above 3%.

1 well on this lease

Wells on MEDINA-HOFFMAN UNIT AC
API numberWell no.Status
42-255-358612HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers25Jul 1, 2022–
Harvest Midstream CompanyOilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Trafigura Trading LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Nov 2, 2018–
Marathon Oil Ef LLCCasinghead gasGathers100Nov 2, 2018–
Enterprise Crude Oil LLCOilGathers1Nov 2, 2018Jul 1, 2022
Gulfmark Energy, Inc.OilGathers1Nov 2, 2018Jul 1, 2022
Harvest Midstream CompanyOilGathers97Nov 2, 2018Jul 1, 2022
Trafigura Trading LLCOilGathers1Nov 2, 2018Jul 1, 2022

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

Who buys my oilOil price check

397.54 acres on the newest permit

Check your decimal on this lease
Permits for Medina-Hoffman Unit Ac
API numberWell no.Acreson the permit
42-255-358612H397.54

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 MEDINA-HOFFMAN UNIT AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202642027200$84.81$3.15
May 20265715821,3481,00922$102.13$2.94
Apr 20268918842,3171,78332$100.32$2.77
Mar 20267837832,0711,57215$91.38$3.04
Feb 20266196162,0311,50615$64.51$3.62
Jan 20266856912,1471,63318$60.04$7.72
Dec 20257467431,6341,27611$57.97$4.26
Nov 20256967011,3491,0738$60.06$3.79
Oct 20251,2421,2422,0631,64815$60.89$3.19
Sep 20251,0551,0553,2162,53066$63.96$2.97
Aug 20251,1111,1003,0622,18051$64.86$2.91
Jul 20257267303,7892,59069$68.39$3.20
Jun 20259179223,6812,93221$68.17$3.02
May 20251,1501,1444,2383,44121$62.17$3.12
Apr 20259169223,9473,21131$63.54$3.42
Mar 20251,2511,2534,2883,50922$68.24$4.12
Feb 20251,2261,2192,0241,60135$71.53$4.19
Jan 20251,1471,1451,4851,19318$75.74$4.13
Dec 20241,1761,1741,0918883$70.12$3.01
Nov 20241,0341,0391,2009516$69.95$2.12
Oct 20241,1231,1141,4151,12613$71.99$2.20
Sep 20248388411,0888897$70.24$2.28
Aug 20249349351,3121,07610$76.68$1.99
Jul 20249569521,6401,3278$81.80$2.07
Jun 20248328365154079$79.77$2.54
May 20249859941,21293924$80.02$2.12
Apr 20241,1051,1051,5161,22213$85.35$1.60
Mar 20241,0611,0611,9611,63221$81.28$1.49
Feb 20241,1871,1892,2501,28535$77.25$1.72
Jan 20241,2431,2382,3611,18025$74.15$3.18
Dec 20231,3361,3402,6171,14444$71.90$2.52
Nov 20231,5221,5081,54022250$77.69$2.71
Oct 20238418471,06116347$85.64$2.98
Sep 20239719701,41873533$89.43$2.64
Aug 20231,0061,0091,82099037$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 →

Leases within 10 km

Drilling permits within 10 km