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Texas oil lease

Producing

RETZLOFF TOM-MAY PSA B

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

1 well

11,078bbl oil, last 12 months−31% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-19815

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
8,030 mcf
Oil in Jul 2026
2,018 bbl

Production by month

Oil output fell 31% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 31% over the last 12 monthsMonthly oil production and gas for RETZLOFF TOM-MAY PSA B, Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 11,078 bbl in the 12 months through Jul 2026, against 16,167 bbl in the 12 months before.Last 12 months: 11,078 bblbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 31% over the last 12 monthsMonthly oil production and gas for RETZLOFF TOM-MAY PSA B, Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 11,078 bbl in the 12 months through Jul 2026, against 16,167 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 15.7% of the gas in Sep 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of RETZLOFF TOM-MAY PSA B gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 15.7% of the gas in Sep 2023.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 15.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of RETZLOFF TOM-MAY PSA B gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 15.7% of the gas in Sep 2023.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 15.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 7,704 mcf

  • Lease fuel (1)

    13% · 1,167 mcf

  • Flared (4)

    1.3% · 113 mcf

1.3% of the gas flared in the last 12 months. 16 months above 3%.

1 well on this lease

Wells on RETZLOFF TOM-MAY PSA B
API numberWell no.Status
42-013-356682HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers25Jul 1, 2022–
Gulfmark Energy, Inc.OilGathers25Jun 5, 2024–
Harvest Midstream CompanyOilGathers25Jul 1, 2022–
Trafigura Trading LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Apr 16, 2019–
Marathon Oil Ef LLCCasinghead gasGathers100Apr 16, 2019–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022Jun 5, 2024
Enterprise Crude Oil LLCOilGathers1Apr 16, 2019Jul 1, 2022
Gulfmark Energy, Inc.OilGathers1Apr 16, 2019Jul 1, 2022
Harvest Midstream CompanyOilGathers97Apr 16, 2019Jul 1, 2022
Trafigura Trading LLCOilGathers1Apr 16, 2019Jul 1, 2022

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

Who buys my oilOil price check

589.93 acres on the newest permit

  • Worth asking

    A production sharing agreement well is on this lease

    A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.

  • 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 Retzloff Tom-May Psa B
API numberWell no.Acreson the permit
42-013-356682H589.93

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 RETZLOFF TOM-MAY PSA B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,0181,9851,3311,14611$80.46$2.89
Jun 20267184760$84.81$3.15
May 20264754712722382$102.13$2.94
Apr 20263303534293684$100.32$2.77
Mar 20261,2031,1921,4171,24211$91.38$3.04
Feb 20269709757436436$64.51$3.62
Jan 20261,5951,5661,2481,0958$60.04$7.72
Dec 2025020000$57.97$4.26
Nov 20251,1851,1908327255$60.06$3.79
Oct 20251,6001,59195181612$60.89$3.19
Sep 20251,5331,51877064717$63.96$2.97
Aug 20259812130251$64.86$2.91
Jul 20251,5501,55195475336$68.39$3.20
Jun 202581280165850543$68.17$3.02
May 202587488185568841$62.17$3.12
Apr 20251,1591,1591,01783827$63.54$3.42
Mar 20251,1121,11281365635$68.24$4.12
Feb 20251,0831,08780462226$71.53$4.19
Jan 20251,2981,29492272426$75.74$4.13
Dec 20241,4291,4261,04888722$70.12$3.01
Nov 20241,2271,23296180428$69.95$2.12
Oct 20241,5671,5741,2781,07341$71.99$2.20
Sep 20242,0822,0791,3301,15329$70.24$2.28
Aug 20241,9741,9551,08795133$76.68$1.99
Jul 20249879843603218$81.80$2.07
Jun 202486090143338912$79.77$2.54
May 20241,0531,04165644747$80.02$2.12
Apr 20241,1601,1721,15781770$85.35$1.60
Mar 20241,3981,3971,4021,05141$81.28$1.49
Feb 20241,2621,2631,21642783$77.25$1.72
Jan 20241,4351,4021,075206130$74.15$3.18
Dec 2023547571502341$71.90$2.52
Nov 20231,4691,4621,33543868$77.69$2.71
Oct 20231,3541,3411,59683872$85.64$2.98
Sep 20237957785417485$89.43$2.64
Aug 202300000$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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Eagleville (Eagle Ford-1) field

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