Skip to content
Royalty Clerk

Texas gas well

Producing

MOBIL UNIT B

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

1 well

7,302mcf gas, last 12 months−23% vs prior year
RRC lease
02-270565

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
2,584 bbl
Gas in Jul 2026
1,895 mcf

Production by month

Gas output fell 23% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 23% over the last 12 monthsMonthly gas production and oil for MOBIL UNIT B, Aug 2023 to Jul 2026. Gas output fell 23% over the last 12 months. 7,302 mcf in the 12 months through Jul 2026, against 9,490 mcf in the 12 months before.Last 12 months: 7,302 mcfmcf per monthbbl per month001,0002002,0004003,0006004,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 23% over the last 12 monthsMonthly gas production and oil for MOBIL UNIT B, Aug 2023 to Jul 2026. Gas output fell 23% over the last 12 months. 7,302 mcf in the 12 months through Jul 2026, against 9,490 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002002,0004003,0006004,000800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

88% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
88% of the gas went to a processing plant in the last 12 monthsShare of MOBIL UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 88% 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
88% of the gas went to a processing plant in the last 12 monthsShare of MOBIL UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 88% 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)

    88% · 6,460 mcf

  • Lease fuel (1)

    11% · 813 mcf

  • Flared (4)

    0.4% · 29 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 B
API numberWell no.Status
42-255-330812HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Reynolds Energy Transport LLCCondensateGathers50Jul 1, 2022–
Statewide Crude Inc.CondensateGathers50Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Jun 8, 2013–
Marathon Oil Ef LLCGas-well gasGathers100Jun 8, 2013–
Gulfmark Energy, Inc.CondensateGathers10Jun 8, 2013Jul 1, 2022
Statewide Crude Inc.CondensateGathers90Jun 8, 2013Jul 1, 2022

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

335.61 acres on the newest permit

Permits for Mobil Unit B
API numberWell no.Acreson the permit
42-255-330812H335.61

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

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 B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263433421,8951,6598$80.46$2.89
Jun 20261881775524753$84.81$3.15
May 20261961964834173$102.13$2.94
Apr 20262462364614031$100.32$2.77
Mar 2026941081461291$91.38$3.04
Feb 20262152024804242$64.51$3.62
Jan 202610310632290$60.04$7.72
Dec 20251621724423981$57.97$4.26
Nov 20252962927656892$60.06$3.79
Oct 20252482496475872$60.89$3.19
Sep 20251901883493132$63.96$2.97
Aug 20253033021,0509374$64.86$2.91
Jul 20252802698477663$68.39$3.20
Jun 202554592462241$68.17$3.02
May 20253433431,2041,1122$62.17$3.12
Apr 20254504451,1781,0765$63.54$3.42
Mar 20251531503232971$68.24$4.12
Feb 202501000$71.53$4.19
Jan 20256874330$75.74$4.13
Dec 20244464436515931$70.12$3.01
Nov 20242982981,0159173$69.95$2.12
Oct 20243023021,2601,1422$71.99$2.20
Sep 20243043041,3071,1942$70.24$2.28
Aug 20243133121,4561,3244$76.68$1.99
Jul 20243343351,7451,5952$81.80$2.07
Jun 20243433431,7191,5753$79.77$2.54
May 20243643671,8421,6873$80.02$2.12
Apr 20244154131,6181,45614$85.35$1.60
Mar 20245205171,9531,7343$81.28$1.49
Feb 20241581595884652$77.25$1.72
Jan 202424324342127210$74.15$3.18
Dec 20234434431,7911,3884$71.90$2.52
Nov 20233523521,3501,1095$77.69$2.71
Oct 20234624632,2831,8945$85.64$2.98
Sep 20234864892,5942,1729$89.43$2.64
Aug 20235895872,4231,98012$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?

Nearby

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