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Texas oil lease

Producing

WINDHAM TXL C4

Windham TXL C4 is an oil lease in Midland County, Texas, operated by Cog Operating LLC in the Pegasus (Consolidated) field.

1 well

6,141bbl oil, last 12 months−51% vs prior year
RRC lease
7C-20157

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
91,926 mcf
Oil in Jul 2026
372 bbl

Production by month

Oil output fell 51% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 51% over the last 12 monthsMonthly oil production and gas for WINDHAM TXL C4, Aug 2023 to Jul 2026. Oil output fell 51% over the last 12 months. 6,141 bbl in the 12 months through Jul 2026, against 12,418 bbl in the 12 months before.Last 12 months: 6,141 bblbbl per monthmcf per month005005,0001,00010k1,50015k2,00020kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 51% over the last 12 monthsMonthly oil production and gas for WINDHAM TXL C4, Aug 2023 to Jul 2026. Oil output fell 51% over the last 12 months. 6,141 bbl in the 12 months through Jul 2026, against 12,418 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005,0001,00010k1,50015k2,00020kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a processing plant in the last 12 months

Flaring peaked at 6.6% of the gas in May 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
98% of the gas went to a processing plant in the last 12 monthsShare of WINDHAM TXL C4 gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a processing plant in the last 12 months. Flaring peaked at 6.6% of the gas in May 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 6.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
98% of the gas went to a processing plant in the last 12 monthsShare of WINDHAM TXL C4 gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a processing plant in the last 12 months. Flaring peaked at 6.6% of the gas in May 2024.Share of gas by disposition code0%50%100%Flared 6.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    98% · 90,363 mcf

  • Lease fuel (1)

    1.3% · 1,233 mcf

  • Flared (4)

    0.4% · 330 mcf

0.4% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on WINDHAM TXL C4
API numberWell no.Status
42-329-421415307LHActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Et Gathering & Processing LLCOilGathers100Feb 1, 2025–
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Feb 1, 2025–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Feb 1, 2025–
Energy Trans Crude Marketing LLCOilGathers50Jun 1, 2021Feb 1, 2025
Energy Transfer Marketing & TermOilGathers50Dec 1, 2022Feb 1, 2025
Sunoco Ptnrs. Mktg.&terminals LPOilGathers50Jun 1, 2021Dec 1, 2022
Energy Transfer CompanyCasinghead gasGathers100Oct 17, 2018Jun 1, 2021
Energy Transfer CompanyCasinghead gasBuys100Oct 17, 2018Jun 1, 2021
Gibson Energy Marketing, LLCOilGathers10Oct 17, 2018Jun 1, 2021

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

488.30 acres on the newest permit

An allocation well is on this lease

Permits for Windham TXL C4
API numberWell no.Acreson the permit
42-329-421415307LH488.30

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

What ConocoPhillips told investors it received

Cog Operating LLC is linked to ConocoPhillips (COP).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing
Q3 2024$76.77SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for WINDHAM TXL C4
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263723839,8859,68566$80.46$2.89
Jun 20265375337,6547,47267$84.81$3.15
May 20265745947,3307,2300$102.13$2.94
Apr 20267747497,8687,7640$100.32$2.77
Mar 202645344914,61614,4240$91.38$3.04
Feb 20263964007,8057,7020$64.51$3.62
Jan 20264294267,5037,208186$60.04$7.72
Dec 20253773746,6716,5840$57.97$4.26
Nov 20252822754,4964,4340$60.06$3.79
Oct 20251972091,6361,60411$60.89$3.19
Sep 20255986126,5256,4440$63.96$2.97
Aug 20251,1521,1579,9379,8120$64.86$2.91
Jul 20251,0631,0588,2568,1500$68.39$3.20
Jun 20251,0441,0408,9288,8150$68.17$3.02
May 20258698748,7888,6750$62.17$3.12
Apr 20258968947,8627,7660$63.54$3.42
Mar 20251,2141,2207,1687,0700$68.24$4.12
Feb 20251,0681,0696,1756,0900$71.53$4.19
Jan 20259479696,0015,87833$75.74$4.13
Dec 20241,0981,0956,5876,4980$70.12$3.01
Nov 20248788866,0445,9590$69.95$2.12
Oct 20241,0711,0367,3917,28222$71.99$2.20
Sep 20241,0071,0057,4697,3910$70.24$2.28
Aug 20241,2631,2758,5458,4550$76.68$1.99
Jul 20241,4821,4809,1058,753261$81.80$2.07
Jun 20241,4191,4108,6538,344228$79.77$2.54
May 20241,3071,3098,8178,153584$80.02$2.12
Apr 20241,4361,4369,1979,1190$85.35$1.60
Mar 20241,5431,5449,2509,042128$81.28$1.49
Feb 20241,3911,3889,5059,4260$77.25$1.72
Jan 20241,3701,3739,5399,4540$74.15$3.18
Dec 20231,5611,57310,14910,02935$71.90$2.52
Nov 20231,4071,4069,3519,2700$77.69$2.71
Oct 20231,5751,5779,8979,76647$85.64$2.98
Sep 20231,5811,58210,71010,488129$89.43$2.64
Aug 20231,6801,67111,18811,0915$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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