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Texas oil lease

Producing

MULLINS, BERTHA D.

Mullins, Bertha D. is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Ackerly (Dean Sand) field.

1 well

889bbl oil, last 12 months−74% vs prior year
Operator
Diamondback E&P LLC
County
Martin County
Field
Ackerly (Dean Sand)
RRC lease
8A-63784

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Oil in Jul 2026
107 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.

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

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Production by month

Oil output fell 74% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 74% over the last 12 monthsMonthly oil production for MULLINS, BERTHA D., Aug 2023 to Jul 2026. Oil output fell 74% over the last 12 months. 889 bbl in the 12 months through Jul 2026, against 3,454 bbl in the 12 months before.Last 12 months: 889 bblbbl per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 74% over the last 12 monthsMonthly oil production for MULLINS, BERTHA D., Aug 2023 to Jul 2026. Oil output fell 74% over the last 12 months. 889 bbl in the 12 months through Jul 2026, against 3,454 bbl in the 12 months before.Last 12 monthsbbl per month0200400600800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed 3 times, most recently in Jan 2025

Operators of this lease over timeBeach Exploration, Inc., Jan 2020 to Nov 2021; Petrolegacy Energy II, LLC, Dec 2021 to Feb 2022; Endeavor Energy Resources L.P., Mar 2022 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Dec 2021Changed Mar 2022Changed Jan 2025Beach Exploration, Inc.Jan 2020 to Nov 2021Petrolegacy Energy II, LLCDec 2021 to Feb 2022Endeavor Energy Resources L.P.Mar 2022 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeBeach Exploration, Inc., Jan 2020 to Nov 2021; Petrolegacy Energy II, LLC, Dec 2021 to Feb 2022; Endeavor Energy Resources L.P., Mar 2022 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Dec 2021Changed Mar 2022Changed Jan 2025Beach Exploration, Inc.Jan 2020 to Nov 2021Petrolegacy Energy II, LLCDec 2021 to Feb 2022Endeavor Energy Resources L.P.Mar 2022 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on MULLINS, BERTHA D.
API numberWell no.Status
42-317-324911Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Lpc Crude Iii, LLCOilGathers100Apr 1, 2025–
Oasis Transp & Marketing Corp.OilGathers100May 1, 2020Apr 1, 2025
Wtg Gas Processing, L.p.Casinghead gasGathers100Nov 1, 2010Mar 29, 2022
Wtg Gas Processing, L.p.Casinghead gasBuys100Nov 1, 2010Mar 29, 2022
Lpc Crude Oil Marketing LLCOilGathers50Jul 1, 2015May 1, 2020
Ngl Crude Logistics, LLCOilGathers50Sep 1, 2014May 1, 2020

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

Who buys my oilOil price check

421 acres on the newest permit

Check your decimal on this lease
Permits for Mullins, Bertha D.
API numberWell no.Acreson the permit
42-317-324911421

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

Unit decimal checker

What Diamondback Energy, Inc. told investors it received

Diamondback E&P LLC is linked to Diamondback Energy, Inc. (FANG).
Realized prices reported by Diamondback Energy, Inc.
QuarterOil$ per bblFiling
Q2 2026$96.82SEC filing
Q1 2026$73.47SEC filing
Q4 2025$58.00SEC filing
Q3 2025$64.60SEC filing
Q2 2025$63.23SEC filing
Q1 2025$70.95SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for MULLINS, BERTHA D.
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P107182$80.46$2.89
Jun 2026Diamondback E&P930$84.81$3.15
May 2026Diamondback E&P79181$102.13$2.94
Apr 2026Diamondback E&P1220$100.32$2.77
Mar 2026Diamondback E&P114166$91.38$3.04
Feb 2026Diamondback E&P101160$64.51$3.62
Jan 2026Diamondback E&P1370$60.04$7.72
Dec 2025Diamondback E&P136178$57.97$4.26
Nov 2025Diamondback E&P00$60.06$3.79
Oct 2025Diamondback E&P00$60.89$3.19
Sep 2025Diamondback E&P00$63.96$2.97
Aug 2025Diamondback E&P00$64.86$2.91
Jul 2025Diamondback E&P00$68.39$3.20
Jun 2025Diamondback E&P263331$68.17$3.02
May 2025Diamondback E&P275347$62.17$3.12
Apr 2025Diamondback E&P276186$63.54$3.42
Mar 2025Diamondback E&P265361$68.24$4.12
Feb 2025Diamondback E&P225187$71.53$4.19
Jan 2025Diamondback E&P300199$75.74$4.13
Dec 2024Endeavor Energy338357$70.12$3.01
Nov 2024Endeavor Energy343355$69.95$2.12
Oct 2024Endeavor Energy375357$71.99$2.20
Sep 2024Endeavor Energy383349$70.24$2.28
Aug 2024Endeavor Energy411558$76.68$1.99
Jul 2024Endeavor Energy464353$81.80$2.07
Jun 2024Endeavor Energy485686$79.77$2.54
May 2024Endeavor Energy546516$80.02$2.12
Apr 2024Endeavor Energy418169$85.35$1.60
Mar 2024Endeavor Energy00$81.28$1.49
Feb 2024Endeavor Energy00$77.25$1.72
Jan 2024Endeavor Energy00$74.15$3.18
Dec 2023Endeavor Energy00$71.90$2.52
Nov 2023Endeavor Energy00$77.69$2.71
Oct 2023Endeavor Energy19170$85.64$2.98
Sep 2023Endeavor Energy160$89.43$2.64
Aug 2023Endeavor Energy410$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

OperatorDiamondback E&P LLCFieldAckerly (Dean Sand)CountyMartin County

Diamondback E&P LLC in Martin County

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Ackerly (Dean Sand) field

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