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Texas oil lease

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MULLINS "12"

Mullins "12" is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Ackerly (Dean Sand) field.

1 well

0bbl oil, last 12 months
Operator
Diamondback E&P LLC
County
Martin County
Field
Ackerly (Dean Sand)
RRC lease
8A-68950

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Where it sits

This county

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

Production by month

No oil produced in the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
No oil produced in the last 12 monthsMonthly oil production and gas for MULLINS "12", Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was May 2025, at 4 bbl.Last 12 months: 0 bblbbl per monthmcf per month00100100200200300300400400500500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
No oil produced in the last 12 monthsMonthly oil production and gas for MULLINS "12", Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was May 2025, at 4 bbl.Last 12 monthsbbl per monthmcf per month00100100200200300300400400500500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to flaring in the last 12 months

Flaring peaked at 100.0% of the gas in Aug 2023.

All of the gas went to flaring in the last 12 monthsShare of MULLINS "12" gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to flaring in the last 12 monthsShare of MULLINS "12" gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

100.0% of the gas flared in the last 12 months. 14 months above 3%.

Who has run this lease

The operator changed once, most recently in Jan 2025

Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 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 "12"
API numberWell no.Status
42-317-338401Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Explore Logistics LLCOilGathers100Aug 1, 2025–
Oasis Transp & Marketing Corp.OilGathers100Jun 1, 2020Aug 1, 2025
Enlink Crude Purchasing LLCOilGathers100Nov 1, 2019Jun 1, 2020
Wtg Gas Processing, L.p.Casinghead gasGathers100Jul 1, 2007Nov 1, 2019
Wtg Gas Processing, L.p.Casinghead gasBuys100Jul 1, 2007Nov 1, 2019
Plains Marketing, L.p.OilGathers100Jun 15, 2006Nov 1, 2019

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

Who buys my oilOil price check

162.42 acres on the newest permit

Permits for Mullins "12"
API numberWell no.Acreson the permit
42-317-338401162.42

SourceRailroad Commission drilling permits, Sep 26, 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 "12"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P00000$80.46$2.89
Jun 2026Diamondback E&P00000$84.81$3.15
May 2026Diamondback E&P00000$102.13$2.94
Apr 2026Diamondback E&P00000$100.32$2.77
Mar 2026Diamondback E&P00000$91.38$3.04
Feb 2026Diamondback E&P00000$64.51$3.62
Jan 2026Diamondback E&P00000$60.04$7.72
Dec 2025Diamondback E&P00000$57.97$4.26
Nov 2025Diamondback E&P00000$60.06$3.79
Oct 2025Diamondback E&P00000$60.89$3.19
Sep 2025Diamondback E&P00000$63.96$2.97
Aug 2025Diamondback E&P00000$64.86$2.91
Jul 2025Diamondback E&P00000$68.39$3.20
Jun 2025Diamondback E&P04000$68.17$3.02
May 2025Diamondback E&P40000$62.17$3.12
Apr 2025Diamondback E&P00000$63.54$3.42
Mar 2025Diamondback E&P00000$68.24$4.12
Feb 2025Diamondback E&P00000$71.53$4.19
Jan 2025Diamondback E&P03000$75.74$4.13
Dec 2024Endeavor Energy027000$70.12$3.01
Nov 2024Endeavor Energy00000$69.95$2.12
Oct 2024Endeavor Energy1141111770177$71.99$2.20
Sep 2024Endeavor Energy106215000$70.24$2.28
Aug 2024Endeavor Energy3772634810481$76.68$1.99
Jul 2024Endeavor Energy1252051920192$81.80$2.07
Jun 2024Endeavor Energy1501551700170$79.77$2.54
May 2024Endeavor Energy99441110111$80.02$2.12
Apr 2024Endeavor Energy49591050105$85.35$1.60
Mar 2024Endeavor Energy1381432190219$81.28$1.49
Feb 2024Endeavor Energy2102112120212$77.25$1.72
Jan 2024Endeavor Energy72191350135$74.15$3.18
Dec 2023Endeavor Energy50562800280$71.90$2.52
Nov 2023Endeavor Energy451151850185$77.69$2.71
Oct 2023Endeavor Energy7911677077$85.64$2.98
Sep 2023Endeavor Energy133921040104$89.43$2.64
Aug 2023Endeavor Energy911031010101$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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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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