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Texas oil lease

Producing

MARY KAY

Mary Kay is an oil lease in Lee County, Texas, operated by Magnolia Oil & Gas Operating LLC in the Giddings (Austin Chalk-3) field.

2 wells

769bbl oil, last 12 months−56% vs prior year
Operator
Magnolia Oil & Gas Operating LLC
County
Lee County
Field
Giddings (Austin Chalk-3)
RRC lease
03-12262

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Where it sits

This county

Lee CountyLeeWilliamsonBastropWashingtonBrazosBurlesonAustinMilamLee County
Lee County
Gas, last 12 months
1,225 mcf
Oil in Jul 2026
0 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Magnolia Oil & Gas Operating LLC took over from Dallas Petroleum Group, LLC in Aug 2025.

  • Sales

    No sales reported for the last 4 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Oil output fell 56% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 56% over the last 12 monthsMonthly oil production and gas for MARY KAY, Aug 2023 to Jul 2026. Oil output fell 56% over the last 12 months. 769 bbl in the 12 months through Jul 2026, against 1,759 bbl in the 12 months before.Last 12 months: 769 bblbbl per monthmcf per month001002502005003007504001,0005001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 56% over the last 12 monthsMonthly oil production and gas for MARY KAY, Aug 2023 to Jul 2026. Oil output fell 56% over the last 12 months. 769 bbl in the 12 months through Jul 2026, against 1,759 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001002502005003007504001,0005001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

All of the gas went to a transmission line in the last 12 monthsShare of MARY KAY gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of MARY KAY gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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.

Who has run this lease

The operator changed once, most recently in Aug 2025

Operators of this lease over timeDallas Petroleum Group, LLC, Jan 2020 to Jul 2025; Magnolia Oil & Gas Operating LLC, Aug 2025 to Jul 20262020202120222023202420252026Changed Aug 2025Dallas Petroleum Group, LLCJan 2020 to Jul 2025Magnolia Oil & Gas Operating…Aug 2025 to now
Operators of this lease over timeDallas Petroleum Group, LLC, Jan 2020 to Jul 2025; Magnolia Oil & Gas Operating LLC, Aug 2025 to Jul 20262020202120222023202420252026Changed Aug 2025Dallas Petroleum Group, LLCJan 2020 to Jul 2025Magnolia Oil & Gas Operating LLCAug 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on MARY KAY
API numberWell no.Status
42-287-304591Shut-in
42-287-315272Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers100Mar 1, 2022–
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017–
Enterprise Crude Oil LLCOilGathers50Feb 1, 2014Mar 1, 2022
Genesis Crude Oil, L.p.OilGathers50Jan 1, 2013Mar 1, 2022

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

Who buys my oilOil price check

406.03 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 240 and 406.03 acres. Use the acres from your own division order for the well you are paid on.

  • 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 Mary Kay
API numberWell no.Acreson the permit
42-287-304591406.03
42-287-315272240

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

Unit decimal checker

What Magnolia Oil & Gas Corporation told investors it received

Magnolia Oil & Gas Operating LLC is linked to Magnolia Oil & Gas Corporation (MGY).
Realized prices reported by Magnolia Oil & Gas Corporation
QuarterOil$ per bblFiling
Q2 2026$98.13SEC filing
Q1 2026$70.29SEC filing
Q3 2025$63.55SEC filing
Q2 2025$62.20SEC filing
Q1 2025$69.81SEC filing
Q3 2024$74.23SEC filing

SourceMagnolia Oil & Gas Corporation quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for MARY KAY
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Magnolia Oil00000$80.46$2.89
Jun 2026Magnolia Oil70000$84.81$3.15
May 2026Magnolia Oil00000$102.13$2.94
Apr 2026Magnolia Oil110000$100.32$2.77
Mar 2026Magnolia Oil16018033330$91.38$3.04
Feb 2026Magnolia Oil10000$64.51$3.62
Jan 2026Magnolia Oil00000$60.04$7.72
Dec 2025Magnolia Oil38018180$57.97$4.26
Nov 2025Magnolia Oil2183654284280$60.06$3.79
Oct 2025Magnolia Oil17325525520$60.89$3.19
Sep 2025Magnolia Oil4811531530$63.96$2.97
Aug 2025Magnolia Oil11336941410$64.86$2.91
Jul 2025Dallas Petroleum15901581580$68.39$3.20
Jun 2025Dallas Petroleum00000$68.17$3.02
May 2025Dallas Petroleum1531832812810$62.17$3.12
Apr 2025Dallas Petroleum3221001000$63.54$3.42
Mar 2025Dallas Petroleum1571794054050$68.24$4.12
Feb 2025Dallas Petroleum2721964204200$71.53$4.19
Jan 2025Dallas Petroleum2456550$75.74$4.13
Dec 2024Dallas Petroleum1461935335330$70.12$3.01
Nov 2024Dallas Petroleum1701885455450$69.95$2.12
Oct 2024Dallas Petroleum2081883633630$71.99$2.20
Sep 2024Dallas Petroleum1771882302300$70.24$2.28
Aug 2024Dallas Petroleum2611834944940$76.68$1.99
Jul 2024Dallas Petroleum10218377770$81.80$2.07
Jun 2024Dallas Petroleum123083830$79.77$2.54
May 2024Dallas Petroleum10880$80.02$2.12
Apr 2024Dallas Petroleum10191000$85.35$1.60
Mar 2024Dallas Petroleum5011391390$81.28$1.49
Feb 2024Dallas Petroleum1261972362360$77.25$1.72
Jan 2024Dallas Petroleum13503973970$74.15$3.18
Dec 2023Dallas Petroleum3403747507500$71.90$2.52
Nov 2023Dallas Petroleum4305481,1481,1480$77.69$2.71
Oct 2023Dallas Petroleum2851816696690$85.64$2.98
Sep 2023Dallas Petroleum300000$89.43$2.64
Aug 2023Dallas Petroleum24080800$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

OperatorMagnolia Oil & Gas Operating LLCFieldGiddings (Austin Chalk-3)CountyLee County

Magnolia Oil & Gas Operating LLC in Lee County

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Giddings (Austin Chalk-3) field

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