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Texas oil lease

Producing

R. MAY A

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

14 wells

127,442bbl oil, last 12 months+24% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16012

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
118,384 mcf
Oil in Jul 2026
9,976 bbl

Production by month

Oil output rose 24% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 24% over the last 12 monthsMonthly oil production and gas for R. MAY A, Aug 2023 to Jul 2026. Oil output rose 24% over the last 12 months. 127,442 bbl in the 12 months through Jul 2026, against 102,546 bbl in the 12 months before.Last 12 months: 127,442 bblbbl per monthmcf per month0010k5,00020k10k30k15k40k20k50k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 24% over the last 12 monthsMonthly oil production and gas for R. MAY A, Aug 2023 to Jul 2026. Oil output rose 24% over the last 12 months. 127,442 bbl in the 12 months through Jul 2026, against 102,546 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k5,00020k10k30k15k40k20k50k25kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

76% 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)
76% of the gas went to a processing plant in the last 12 monthsShare of R. MAY A gas by disposition code each month, Aug 2023 to Jul 2026. 76% 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
76% of the gas went to a processing plant in the last 12 monthsShare of R. MAY A gas by disposition code each month, Aug 2023 to Jul 2026. 76% 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)

    76% · 89,420 mcf

  • Lease fuel (1)

    23% · 26,643 mcf

  • Flared (4)

    2.0% · 2,321 mcf

2.0% of the gas flared in the last 12 months. 15 months above 3%.

14 wells on this lease

Wells on R. MAY A
API numberWell no.Status
42-013-344851HShut-in
42-013-344912HActive
42-013-345213HShut-in
42-013-345254HShut-in
42-013-345295HShut-in
42-013-348746HActive
42-013-348757HActive
42-013-348768HActive
42-013-351959HActive
42-013-3519610HActive
42-013-3519711HActive
42-013-3583814HActive
42-013-3583915HActive
42-013-3620313HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Bp Products North America Inc.OilGathers80Jul 22, 2015
Statewide Crude Inc.OilGathers10Jul 22, 2015
Marathon Oil Ef LLCOilGathers5Jul 22, 2015
Shell Trading (Us) CompanyOilGathers5Jul 22, 2015
Marathon Oil Ef LLCCasinghead gasBuys100Jun 19, 2012
Marathon Oil Ef LLCCasinghead gasGathers100Jun 19, 2012

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

Who buys my oilOil price check

763.70 acres on the newest permit

The wells on this lease state different acreage

The permits state between 744.39 and 1,126.69 acres.

14 wells are listed on this lease

Permits for R. May A
API numberWell no.Acreson the permit
42-013-3620313H763.70
42-013-3583814H763.70
42-013-3583915H763.70
42-013-351959H763.70
42-013-3519610H763.70
42-013-3519711H763.70
42-013-348757H763.70
42-013-348746H763.70
42-013-348768H763.70
42-013-345295H744.39
42-013-345254H744.39
42-013-345213H763.70

SourceRailroad Commission drilling permits, Sep 26, 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 R. MAY A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20269,9769,7748,7966,467112$80.46$2.89
Jun 20268,2968,2997,4945,239117$84.81$3.15
May 20267,6627,8879,3416,947184$102.13$2.94
Apr 20268,1748,02810,5147,671259$100.32$2.77
Mar 202611,37111,46314,19110,894224$91.38$3.04
Feb 20266,7366,7675,6414,275117$64.51$3.62
Jan 202612,45312,32911,2148,916183$60.04$7.72
Dec 202512,43912,38314,69011,872314$57.97$4.26
Nov 20259,4189,4418,1736,038197$60.06$3.79
Oct 20258,0248,0937,6355,430242$60.89$3.19
Sep 202512,67212,7408,4326,247163$63.96$2.97
Aug 202520,22120,44012,2639,424209$64.86$2.91
Jul 202527,41826,85519,25714,329489$68.39$3.20
Jun 202535140571494$68.17$3.02
May 20252,4672,5862,3211,23868$62.17$3.12
Apr 20256,5076,5348,5095,209469$63.54$3.42
Mar 20257,0697,0049,8245,228848$68.24$4.12
Feb 20257,4637,4319,9905,471513$71.53$4.19
Jan 20257,4237,4479,8795,455541$75.74$4.13
Dec 20247,7257,6759,9335,988247$70.12$3.01
Nov 20248,1758,1689,3905,709299$69.95$2.12
Oct 20249,3549,3579,7046,104557$71.99$2.20
Sep 20248,0328,1008,8166,193278$70.24$2.28
Aug 202410,56210,54111,6026,876654$76.68$1.99
Jul 202410,35110,3618,7386,050443$81.80$2.07
Jun 202410,91210,91510,8207,704449$79.77$2.54
May 20248,7908,93610,8346,986419$80.02$2.12
Apr 202412,06412,11716,05210,439469$85.35$1.60
Mar 202412,71512,63613,8858,889429$81.28$1.49
Feb 202412,34012,23416,66013,858211$77.25$1.72
Jan 202411,16611,28020,50116,992432$74.15$3.18
Dec 202312,38812,39319,05516,013204$71.90$2.52
Nov 202312,54312,48818,50515,232377$77.69$2.71
Oct 202313,59013,63117,38613,577225$85.64$2.98
Sep 202311,66911,74418,73614,883516$89.43$2.64
Aug 202313,73013,63021,35117,165650$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 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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