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Texas oil lease

Producing

COX

Cox is an oil lease in Martin County, Texas, operated by Rock Fish Operating LLC in the Spraberry (Trend Area) field.

1 well

591bbl oil, last 12 months
Operator
Rock Fish Operating LLC
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-43078

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Where it sits

This county

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

Production by month

Oil output over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output over the last 12 monthsMonthly oil production for COX, Aug 2023 to Jul 2026. Oil output over the last 12 months. 591 bbl in the 12 months through Jul 2026, against 0 bbl in the 12 months before.Last 12 months: 591 bblbbl per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output over the last 12 monthsMonthly oil production for COX, Aug 2023 to Jul 2026. Oil output over the last 12 months. 591 bbl in the 12 months through Jul 2026, against 0 bbl in the 12 months before.Last 12 monthsbbl per month0100200300400Jan 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 4 times, most recently in Apr 2026

Operators of this lease over timeParsley Energy Operations, LLC, Jan 2020 to May 2020; Bam Permian Operating, LLC, Jun 2020 to Feb 2021; Hexp Operating, LLC, Mar 2021 to Sep 2022; Flat Top Operating, LLC, Oct 2022 to Mar 2026; Rock Fish Operating LLC, Apr 2026 to Jul 20262020202120222023202420252026Changed Jun 2020Changed Mar 2021Changed Oct 2022Changed Apr 2026Parsley Energy Operations, LLCJan 2020 to May 2020Bam Permian Operating, LLCJun 2020 to Feb 2021Hexp Operating, LLCMar 2021 to Sep 2022Flat Top Operating, LLCOct 2022 to Mar 2026Rock Fish Operating LLCApr 2026 to now
Operators of this lease over timeParsley Energy Operations, LLC, Jan 2020 to May 2020; Bam Permian Operating, LLC, Jun 2020 to Feb 2021; Hexp Operating, LLC, Mar 2021 to Sep 2022; Flat Top Operating, LLC, Oct 2022 to Mar 2026; Rock Fish Operating LLC, Apr 2026 to Jul 20262020202120222023202420252026Changed Jun 2020Changed Mar 2021Changed Oct 2022Changed Apr 2026Parsley Energy Operations, LLCJan 2020 to May 2020Bam Permian Operating, LLCJun 2020 to Feb 2021Hexp Operating, LLCMar 2021 to Sep 2022Flat Top Operating, LLCOct 2022 to Mar 2026Rock Fish Operating LLCApr 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on COX
API numberWell no.Status
42-317-376871Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Bml, Inc. BOilGathers100Apr 1, 2026–
Bml, Inc. BOilGathers50May 1, 2023Apr 1, 2026
Redbud Energy Marketing LLCOilGathers50Sep 1, 2025Apr 1, 2026
Axis Energy Marketing, LLCOilGathers50May 1, 2023Sep 1, 2025
Axis Energy Marketing, LLCOilGathers100Apr 1, 2021May 1, 2023
Transoil Marketing, LLCOilGathers100Aug 1, 2018Apr 1, 2021
Lease Use OnlyCasinghead gasGathers100Jun 1, 2018Jun 1, 2020

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

Who buys my oilOil price check

169.19 acres on the newest permit

Permits for Cox
API numberWell no.Acreson the permit
42-317-376871169.19

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for COX
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Rock Fish178183$80.46$2.89
Jun 2026Rock Fish212181$84.81$3.15
May 2026Rock Fish198187$102.13$2.94
Apr 2026Rock Fish30$100.32$2.77
Mar 2026Flat Top00$91.38$3.04
Feb 2026Flat Top00$64.51$3.62
Jan 2026Flat Top00$60.04$7.72
Dec 2025Flat Top00$57.97$4.26
Nov 2025Flat Top00$60.06$3.79
Oct 2025Flat Top00$60.89$3.19
Sep 2025Flat Top00$63.96$2.97
Aug 2025Flat Top00$64.86$2.91
Jul 2025Flat Top00$68.39$3.20
Jun 2025Flat Top00$68.17$3.02
May 2025Flat Top00$62.17$3.12
Apr 2025Flat Top00$63.54$3.42
Mar 2025Flat Top00$68.24$4.12
Feb 2025Flat Top00$71.53$4.19
Jan 2025Flat Top00$75.74$4.13
Dec 2024Flat Top00$70.12$3.01
Nov 2024Flat Top00$69.95$2.12
Oct 2024Flat Top00$71.99$2.20
Sep 2024Flat Top00$70.24$2.28
Aug 2024Flat Top00$76.68$1.99
Jul 2024Flat Top00$81.80$2.07
Jun 2024Flat Top00$79.77$2.54
May 2024Flat Top10$80.02$2.12
Apr 2024Flat Top10$85.35$1.60
Mar 2024Flat Top1162$81.28$1.49
Feb 2024Flat Top134164$77.25$1.72
Jan 2024Flat Top332335$74.15$3.18
Dec 2023Flat Top570$71.90$2.52
Nov 2023Flat Top144166$77.69$2.71
Oct 2023Flat Top144177$85.64$2.98
Sep 2023Flat Top1380$89.43$2.64
Aug 2023Flat Top610$81.39$2.58

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

OperatorRock Fish Operating LLCFieldSpraberry (Trend Area)CountyMartin County

Rock Fish Operating LLC in Martin County

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Spraberry (Trend Area) field

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