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Texas oil lease

Producing

MAY GIRLS

May Girls is an oil lease in Atascosa County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-1) field.

5 wells

50,545bbl oil, last 12 months−68% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16413

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
46,785 mcf
Oil in Jul 2026
6,710 bbl

Production by month

Oil output fell 68% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 68% over the last 12 monthsMonthly oil production and gas for MAY GIRLS, Aug 2023 to Jul 2026. Oil output fell 68% over the last 12 months. 50,545 bbl in the 12 months through Jul 2026, against 158,297 bbl in the 12 months before.Last 12 months: 50,545 bblbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 68% over the last 12 monthsMonthly oil production and gas for MAY GIRLS, Aug 2023 to Jul 2026. Oil output fell 68% over the last 12 months. 50,545 bbl in the 12 months through Jul 2026, against 158,297 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

75% of the gas went to a processing plant in the last 12 months

Flaring peaked at 8.6% of the gas in Mar 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
75% of the gas went to a processing plant in the last 12 monthsShare of MAY GIRLS gas by disposition code each month, Aug 2023 to Jul 2026. 75% of the gas went to a processing plant in the last 12 months. Flaring peaked at 8.6% of the gas in Mar 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 8.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
75% of the gas went to a processing plant in the last 12 monthsShare of MAY GIRLS gas by disposition code each month, Aug 2023 to Jul 2026. 75% of the gas went to a processing plant in the last 12 months. Flaring peaked at 8.6% of the gas in Mar 2025.Share of gas by disposition code0%50%100%Flared 8.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    75% · 34,869 mcf

  • Lease fuel (1)

    23% · 10,977 mcf

  • Flared (4)

    2.0% · 939 mcf

2.0% of the gas flared in the last 12 months. 14 months above 3%.

5 wells on this lease

Wells on MAY GIRLS
API numberWell no.Status
42-013-345873HShut-in
42-013-345901HActive
42-013-345992HActive
42-013-361344HActive
42-013-361355HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Endeavor Crude, LLCOilGathers40Jan 1, 2024–
Enterprise Crude Oil LLCOilGathers20Jan 1, 2024–
Genesis Crude Oil, L.p.OilGathers20Jan 1, 2024–
Statewide Crude Inc.OilGathers20Jan 1, 2024–
Marathon Oil Ef LLCCasinghead gasBuys100Dec 31, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100Dec 31, 2012–
Dks Transport LLCOilGathers25Jul 1, 2022Jan 1, 2024
Pilot Travel Centers LLCOilGathers25Jul 1, 2022Jan 1, 2024
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022Jan 1, 2024
Statewide Crude Inc.OilGathers25Jul 1, 2022Jan 1, 2024
Gulfmark Energy, Inc.OilGathers10Dec 31, 2012Jul 1, 2022
Statewide Crude Inc.OilGathers90Dec 31, 2012Jul 1, 2022

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

Who buys my oilOil price check

315.20 acres on the newest permit

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Permits for May Girls
API numberWell no.Acreson the permit
42-013-361344H315.20
42-013-361355H315.20
42-013-345992H315.20
42-013-345901H315.20
42-013-345873H315.20

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 MAY GIRLS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20266,7106,6105,6694,16872$80.46$2.89
Jun 20267,4257,2806,4024,476100$84.81$3.15
May 202619107107802$102.13$2.94
Apr 20261,8381,8402,1201,54752$100.32$2.77
Mar 20264,2014,2373,4582,65455$91.38$3.04
Feb 20262,5182,5071,5311,16032$64.51$3.62
Jan 20263,8983,8693,8383,05163$60.04$7.72
Dec 20254,4234,4324,3353,50393$57.97$4.26
Nov 20254,9024,9324,6343,423112$60.06$3.79
Oct 20254,7954,7666,8614,880217$60.89$3.19
Sep 20254,3434,3413,2442,40363$63.96$2.97
Aug 20255,4735,4884,5863,52478$64.86$2.91
Jul 20255,2525,1504,3413,230110$68.39$3.20
Jun 20259371,04295656$68.17$3.02
May 20254,8594,9827,1053,791207$62.17$3.12
Apr 20258,6938,75916,45810,075907$63.54$3.42
Mar 202510,46510,37320,47010,8931,768$68.24$4.12
Feb 202511,35511,34717,8299,764916$71.53$4.19
Jan 202514,04914,09919,48410,7581,067$75.74$4.13
Dec 202414,87514,78820,51812,370510$70.12$3.01
Nov 202416,78016,77723,28514,157742$69.95$2.12
Oct 202420,58620,63626,58116,7211,524$71.99$2.20
Sep 202422,31022,48328,27319,860893$70.24$2.28
Aug 202428,13628,20034,66220,5431,955$76.68$1.99
Jul 202437,75237,83340,97628,3722,078$81.80$2.07
Jun 202443,54143,23544,58431,7451,851$79.77$2.54
May 202414,42714,23515,79510,186610$80.02$2.12
Apr 20241,3331,34659338617$85.35$1.60
Mar 20241,6591,65857736918$81.28$1.49
Feb 20242,0572,0323403172$77.25$1.72
Jan 20241,3661,4065014694$74.15$3.18
Dec 20232,7142,6707567103$71.90$2.52
Nov 20236746721311221$77.69$2.71
Oct 202378178798891$85.64$2.98
Sep 20238238254233954$89.43$2.64
Aug 20238348306636118$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.

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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-1)CountyAtascosa County

Marathon Oil Ef LLC in Atascosa County

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