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Texas oil lease

Producing

WHITLEY MEJOR UNIT

Whitley Mejor Unit is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

5 wells

15,251bbl oil, last 12 months+392% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10643

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
13,835 mcf
Oil in Jul 2026
976 bbl

Production by month

Oil output rose 392% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 392% over the last 12 monthsMonthly oil production and gas for WHITLEY MEJOR UNIT, Aug 2023 to Jul 2026. Oil output rose 392% over the last 12 months. 15,251 bbl in the 12 months through Jul 2026, against 3,098 bbl in the 12 months before.Last 12 months: 15,251 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 392% over the last 12 monthsMonthly oil production and gas for WHITLEY MEJOR UNIT, Aug 2023 to Jul 2026. Oil output rose 392% over the last 12 months. 15,251 bbl in the 12 months through Jul 2026, against 3,098 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

89% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
89% of the gas went to a processing plant in the last 12 monthsShare of WHITLEY MEJOR UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 89% 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
89% of the gas went to a processing plant in the last 12 monthsShare of WHITLEY MEJOR UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 89% 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)

    89% · 12,316 mcf

  • Lease fuel (1)

    11% · 1,458 mcf

  • Flared (4)

    0.4% · 61 mcf

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

5 wells on this lease

Wells on WHITLEY MEJOR UNIT
API numberWell no.Status
42-255-332281HActive
42-255-332292HActive
42-255-332304HActive
42-255-332395HShut-in
42-255-332523HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Statewide Crude Inc.OilGathers50Jul 1, 2022–
Plains Pipeline L.p.OilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Jul 18, 2013–
Marathon Oil Ef LLCCasinghead gasGathers100Jul 18, 2013–
Gulfmark Energy, Inc.OilGathers10Jul 18, 2013Jul 1, 2022
Statewide Crude Inc.OilGathers90Jul 18, 2013Jul 1, 2022

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

Who buys my oilOil price check

272.63 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 Whitley Mejor Unit
API numberWell no.Acreson the permit
42-255-332395H272.63
42-255-332523H272.63
42-255-332304H272.63
42-255-332281H272.63
42-255-332292H272.63

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

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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 WHITLEY MEJOR UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20269769818577534$80.46$2.89
Jun 20261,2171,2168757713$84.81$3.15
May 20269789998107044$102.13$2.94
Apr 20262,0302,0131,9051,7167$100.32$2.77
Mar 20261,4791,4761,4901,3276$91.38$3.04
Feb 20261,0781,0769518454$64.51$3.62
Jan 20261,3281,3301,1089845$60.04$7.72
Dec 20251,2281,2371,1661,01410$57.97$4.26
Nov 20252,0342,0341,9211,71111$60.06$3.79
Oct 20252,3512,3372,1971,9855$60.89$3.19
Sep 20255295245424942$63.96$2.97
Aug 2025232313120$64.86$2.91
Jul 202500000$68.39$3.20
Jun 202500000$68.17$3.02
May 202500000$62.17$3.12
Apr 202500000$63.54$3.42
Mar 202500000$68.24$4.12
Feb 2025101013120$71.53$4.19
Jan 202502000$75.74$4.13
Dec 20243063063072811$70.12$3.01
Nov 20244304304494131$69.95$2.12
Oct 20245265265104731$71.99$2.20
Sep 20245495585465071$70.24$2.28
Aug 20241,2771,2746155731$76.68$1.99
Jul 20241,9111,9121,2881,1942$81.80$2.07
Jun 20242,1862,1971,3531,2532$79.77$2.54
May 20243,4123,4041,7221,5964$80.02$2.12
Apr 20242,7162,7101,4711,32613$85.35$1.60
Mar 20241,2071,2197456873$81.28$1.49
Feb 20243,1973,1942,7632,6385$77.25$1.72
Jan 20243,2013,1962,6322,5008$74.15$3.18
Dec 20232,3662,3781,5421,4636$71.90$2.52
Nov 20231,9291,9131,3671,2966$77.69$2.71
Oct 20231,9301,9332,2322,1282$85.64$2.98
Sep 20231,1641,1611,6761,5952$89.43$2.64
Aug 20231,6351,6412,3662,2443$81.39$2.58

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 LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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