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Texas oil lease

No report in 6+ months

COX, C. J. -48-

Cox, C. J. -48- is an oil lease in Glasscock County, Texas, operated by Endeavor Energy Resources L.P. in the Spraberry (Trend Area) field.

4 wells

320bbl oil, last 12 months−9% vs prior year
Operator
Endeavor Energy Resources L.P.
County
Glasscock County
Field
Spraberry (Trend Area)
RRC lease
08-34761

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
12 mcf
Oil in Feb 2024
0 bbl

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

  • Wells

    All 4 wells on this lease are marked plugged.

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

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Production by month

Oil output fell 9% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for COX, C. J. -48-, Mar 2021 to Feb 2024. Oil output fell 9% over the last 12 months. 320 bbl in the 12 months through Feb 2024, against 350 bbl in the 12 months before.Last 12 months: 320 bblbbl per monthmcf per month0050251005015075200100250125Apr 21JulOctJan 22AprJulOctJan 23AprJulOctJan 24
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for COX, C. J. -48-, Mar 2021 to Feb 2024. Oil output fell 9% over the last 12 months. 320 bbl in the 12 months through Feb 2024, against 350 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050251005015075200100250125Jul 21Jan 22JulJan 23JulJan 24

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of COX, C. J. -48- gas by disposition code each month, Mar 2021 to Feb 2024. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Apr 21JulOctJan 22AprJulOctJan 23AprJulOctJan 24
All of the gas went to a processing plant in the last 12 monthsShare of COX, C. J. -48- gas by disposition code each month, Mar 2021 to Feb 2024. All of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jul 21Jan 22JulJan 23JulJan 24

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

4 wells on this lease

Wells on COX, C. J. -48-
API numberWell no.Status
42-173-000701Active
42-173-000744Active
42-173-3146214Active
42-173-3146313Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Rio Energy International, Inc.OilGathers100Mar 1, 2018
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Mar 1, 2018
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Oct 1, 2015

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

Who buys my oilOil price check

640 acres on the newest permit

  • Good to know

    All listed wells are plugged

    The RRC wellbore records mark all listed wells as plugged. These records do not show whether earlier royalties remain payable. Ask the payor about any unpaid months.

Check your decimal on this lease
Permits for Cox, C. J. -48-
API numberWell no.Acreson the permit
42-173-3146214640
42-173-3146313640
42-173-000701–
42-173-000744–

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

Unit decimal checker

What Diamondback Energy, Inc. told investors it received

Endeavor Energy Resources L.P. 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 COX, C. J. -48-
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Feb 202400000$77.25$1.72
Jan 202400000$74.15$3.18
Dec 202300000$71.90$2.52
Nov 202300000$77.69$2.71
Oct 202300000$85.64$2.98
Sep 202300000$89.43$2.64
Aug 202300000$81.39$2.58
Jul 20230367000$76.07$2.55
Jun 2023152012120$70.25$2.18
May 2023750000$71.58$2.15
Apr 202378179000$79.45$2.16
Mar 2023150000$73.28$2.31
Feb 20230028280$76.83$2.38
Jan 20236021210$78.12$3.27
Dec 2022150880$76.44$5.53
Nov 2022180000$84.37$5.45
Oct 202223321210$87.55$5.66
Sep 202228031310$84.26$7.88
Aug 202221121210$93.67$8.81
Jul 202238026260$101.62$7.28
Jun 20224418040400$114.84$7.70
May 202283083830$109.55$8.14
Apr 202255059590$101.78$6.60
Mar 20221917047470$108.50$4.90
Feb 202213145450$91.64$4.69
Jan 20226365650$83.22$4.38
Dec 202117258580$71.71$3.76
Nov 202116163630$79.15$5.05
Oct 202110072720$81.48$5.51
Sep 202111059590$71.65$5.16
Aug 20216021210$67.73$4.07
Jul 202111064640$72.49$3.84
Jun 202114061610$71.38$3.26
May 202111082820$65.17$2.91
Apr 202114083830$61.72$2.66
Mar 20212001021020$62.33$2.62

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

OperatorEndeavor Energy Resources L.P.FieldSpraberry (Trend Area)CountyGlasscock County

Endeavor Energy Resources L.P. in Glasscock County

No other producing leases from this operator in this county are in our data yet.

Spraberry (Trend Area) field

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