Skip to content
Royalty Clerk

Texas gas well

Producing

MOBIL UNIT C

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

1 well

10,913mcf gas, last 12 months−77% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-276260

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,451 bbl
Gas in Jul 2026
85 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 3% 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 77% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 77% over the last 12 monthsMonthly gas production and oil for MOBIL UNIT C, Aug 2023 to Jul 2026. Gas output fell 77% over the last 12 months. 10,913 mcf in the 12 months through Jul 2026, against 48,258 mcf in the 12 months before.Last 12 months: 10,913 mcfmcf per monthbbl per month005,00020010k40015k60020k800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 77% over the last 12 monthsMonthly gas production and oil for MOBIL UNIT C, Aug 2023 to Jul 2026. Gas output fell 77% over the last 12 months. 10,913 mcf in the 12 months through Jul 2026, against 48,258 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,00020010k40015k60020k800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

90% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
90% of the gas went to a processing plant in the last 12 monthsShare of MOBIL UNIT C gas by disposition code each month, Aug 2023 to Jul 2026. 90% 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
90% of the gas went to a processing plant in the last 12 monthsShare of MOBIL UNIT C gas by disposition code each month, Aug 2023 to Jul 2026. 90% 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)

    90% · 13,247 mcf

  • Lease fuel (1)

    9.7% · 1,437 mcf

  • Flared (4)

    0.4% · 59 mcf

0.4% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on MOBIL UNIT C
API numberWell no.Status
42-255-335455HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers25Jul 1, 2022–
Plains Pipeline L.p.CondensateGathers25Jul 1, 2022–
Reynolds Energy Transport LLCCondensateGathers25Jul 1, 2022–
Trafigura Trading LLCCondensateGathers25Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Oct 22, 2014–
Marathon Oil Ef LLCGas-well gasGathers100Oct 22, 2014–
Enterprise Crude Oil LLCCondensateGathers1Sep 6, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers1Sep 6, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers97Sep 6, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers1Sep 6, 2018Jul 1, 2022

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

Who buys my oilOil price check

376.78 acres on the newest permit

Check your decimal on this lease
Permits for Mobil Unit C
API numberWell no.Acreson the permit
42-255-335455H376.78

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 MOBIL UNIT C
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026717285750$80.46$2.89
Jun 20264751540$84.81$3.15
May 202613812811100$102.13$2.94
Apr 202617193573121$100.32$2.77
Mar 20264958440$91.38$3.04
Feb 20261311387957023$64.51$3.62
Jan 20262642571,9511,72916$60.04$7.72
Dec 20251921971,4391,2963$57.97$4.26
Nov 20252512462,0201,8205$60.06$3.79
Oct 20251921892,0911,8986$60.89$3.19
Sep 202598892,1551,93610$63.96$2.97
Aug 202511000$64.86$2.91
Jul 20258343,8303,46115$68.39$3.20
Jun 20254504242,0561,8766$68.17$3.02
May 202505000$62.17$3.12
Apr 20253043023,4583,15814$63.54$3.42
Mar 20251551602,2922,1066$68.24$4.12
Feb 20254514484,4114,07413$71.53$4.19
Jan 20253663684,9654,59215$75.74$4.13
Dec 20244574575,2194,7528$70.12$3.01
Nov 20244964935,6015,06314$69.95$2.12
Oct 20242772805,6515,12011$71.99$2.20
Sep 20244834845,7675,2697$70.24$2.28
Aug 20245855805,0084,55313$76.68$1.99
Jul 20243273264,6584,2566$81.80$2.07
Jun 20241551545,0854,6589$79.77$2.54
May 202489926,5485,99612$80.02$2.12
Apr 202424123912,78011,499114$85.35$1.60
Mar 202415315812,25310,87921$81.28$1.49
Feb 202455054510,4239,62919$77.25$1.72
Jan 20241811802,4282,15120$74.15$3.18
Dec 20231331351,5481,1994$71.90$2.52
Nov 20233543545,9965,41213$77.69$2.71
Oct 20234844853,7103,0618$85.64$2.98
Sep 20234794752,6632,09512$89.43$2.64
Aug 202326261,5031,06812$81.39$2.58

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 (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

All Marathon Oil Ef LLC leases →

Sugarkane (Eagle Ford) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km