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Texas oil lease

Producing

SINCLAIR 57 H4

Sinclair 57 H4 is an oil lease in Upton County, Texas, operated by Cog Operating LLC in the Pegasus (Consolidated) field.

1 well

58,721bbl oil, last 12 months−74% vs prior year
Operator
Cog Operating LLC
County
Upton County
Field
Pegasus (Consolidated)
RRC lease
7C-22623

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
229,868 mcf
Oil in Jul 2026
1,334 bbl

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 22% of the 9 months before.

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

See why checks stop on this lease

Production by month

Oil output fell 74% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 74% over the last 12 monthsMonthly oil production and gas for SINCLAIR 57 H4, Aug 2024 to Jul 2026. Oil output fell 74% over the last 12 months. 58,721 bbl in the 12 months through Jul 2026, against 223,081 bbl in the 12 months before.Last 12 months: 58,721 bblbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kOct 24Jan 25AprJulOctJan 26AprJul
Oil output fell 74% over the last 12 monthsMonthly oil production and gas for SINCLAIR 57 H4, Aug 2024 to Jul 2026. Oil output fell 74% over the last 12 months. 58,721 bbl in the 12 months through Jul 2026, against 223,081 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Over 99% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Flared (4)
Over 99% of the gas went to a processing plant in the last 12 monthsShare of SINCLAIR 57 H4 gas by disposition code each month, Aug 2024 to Jul 2026. Over 99% 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%Oct 24Jan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a processing plant in the last 12 monthsShare of SINCLAIR 57 H4 gas by disposition code each month, Aug 2024 to Jul 2026. Over 99% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    100% · 229,710 mcf

  • Flared (4)

    0.1% · 158 mcf

0.1% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on SINCLAIR 57 H4
API numberWell no.Status
42-461-42585603LHActive

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 14, 2024–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Feb 14, 2024–
Nustar Permian Trans and Stg,llcOilGathers100Feb 14, 2024Feb 1, 2025

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

Who buys my oilOil price check

12,191.70 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

Check your decimal on this lease
Permits for Sinclair 57 H4
API numberWell no.Acreson the permit
42-461-42585603LH12,191.70

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

Unit decimal checker

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

24 months, newest first

Ledger for SINCLAIR 57 H4
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,3341,32114,34014,3400$80.46$2.89
Jun 20265205571,3871,3861$84.81$3.15
May 20262,1232,13114,37714,3770$102.13$2.94
Apr 20262,3662,3458,1798,1790$100.32$2.77
Mar 20262,0802,1368,7348,577157$91.38$3.04
Feb 20265,3395,34320,30420,3040$64.51$3.62
Jan 20266,5506,57224,70724,7070$60.04$7.72
Dec 20257,6167,59224,50524,5050$57.97$4.26
Nov 20257,1237,14125,04125,0410$60.06$3.79
Oct 20257,4847,47128,44528,4450$60.89$3.19
Sep 20257,6147,60728,43728,4370$63.96$2.97
Aug 20258,5728,60031,41231,4120$64.86$2.91
Jul 20259,1029,08728,95128,9510$68.39$3.20
Jun 20259,6059,59026,75426,7540$68.17$3.02
May 202510,94610,97428,59228,5920$62.17$3.12
Apr 202511,34511,36927,57727,5770$63.54$3.42
Mar 202512,63312,57929,09429,0940$68.24$4.12
Feb 202512,91212,92526,69026,6900$71.53$4.19
Jan 202516,97816,96231,86031,8600$75.74$4.13
Dec 202420,53820,54234,36534,3650$70.12$3.01
Nov 202423,98123,99136,10335,907196$69.95$2.12
Oct 202434,94934,94941,03440,98846$71.99$2.20
Sep 202437,61037,58834,65834,60850$70.24$2.28
Aug 202422,48222,40319,23519,2278$76.68$1.99

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

OperatorCog Operating LLCFieldPegasus (Consolidated)CountyUpton County

Cog Operating LLC in Upton County

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Pegasus (Consolidated) field

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