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Texas oil lease

Producing

CHESTER UNIT

Chester Unit is an oil lease in Atascosa County, Texas, operated by Trailblazer Energy Resources,llc in the Eagleville (Eagle Ford-1) field.

1 well

6,358bbl oil, last 12 months−27% vs prior year
Operator
Trailblazer Energy Resources,llc
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-19265

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
2,248 mcf
Oil in Jul 2026
400 bbl

Production by month

Oil output fell 27% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 27% over the last 12 monthsMonthly oil production and gas for CHESTER UNIT, Aug 2023 to Jul 2026. Oil output fell 27% over the last 12 months. 6,358 bbl in the 12 months through Jul 2026, against 8,655 bbl in the 12 months before.Last 12 months: 6,358 bblbbl per monthmcf per month002502005004007506001,0008001,2501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 27% over the last 12 monthsMonthly oil production and gas for CHESTER UNIT, Aug 2023 to Jul 2026. Oil output fell 27% over the last 12 months. 6,358 bbl in the 12 months through Jul 2026, against 8,655 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002502005004007506001,0008001,2501,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

Flaring peaked at 9.7% of the gas in Jun 2024.

  • Transmission line (2)
  • Flared (4)
All of the gas went to a transmission line in the last 12 monthsShare of CHESTER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months. Flaring peaked at 9.7% of the gas in Jun 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 9.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of CHESTER UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months. Flaring peaked at 9.7% of the gas in Jun 2024.Share of gas by disposition code0%50%100%Flared 9.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Feb 2026

Operators of this lease over timeCinco Oil & Gas, LLC, Jan 2020 to Jan 2026; Trailblazer Energy Resources,llc, Feb 2026 to Jul 20262020202120222023202420252026Changed Feb 2026Cinco Oil & Gas, LLCJan 2020 to Jan 2026Trailblazer Energy Resources,…Feb 2026 to now
Operators of this lease over timeCinco Oil & Gas, LLC, Jan 2020 to Jan 2026; Trailblazer Energy Resources,llc, Feb 2026 to Jul 20262020202120222023202420252026Changed Feb 2026Cinco Oil & Gas, LLCJan 2020 to Jan 2026Trailblazer Energy Resources,llcFeb 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on CHESTER UNIT
API numberWell no.Status
42-013-354871HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers90Jun 1, 2026–
Texon Midstream, LLCOilGathers10Jun 1, 2026–
Et Gathering & Processing LLCCasinghead gasBuys100May 1, 2024–
Energy Transfer CompanyCasinghead gasGathers100Nov 20, 2017–
Enterprise Crude Oil LLCOilGathers100Jun 1, 2025Jun 1, 2026
Plains Marketing, L.p.OilGathers100May 1, 2024Jun 1, 2025
Energy Transfer CompanyCasinghead gasBuys100Nov 1, 2023May 1, 2024
Enterprise Crude Oil LLCOilGathers100Oct 1, 2023May 1, 2024
Et Gathering & Processing LLCCasinghead gasBuys100Oct 1, 2023Nov 1, 2023
Etc Texas P/L, LTDCasinghead gasBuys100Aug 1, 2018Oct 1, 2023

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

Who buys my oilOil price check

480.10 acres on the newest permit

Permits for Chester Unit
API numberWell no.Acreson the permit
42-013-354871H480.10

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

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36 months, newest first

Ledger for CHESTER UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Trailblazer Energy400514000$80.46$2.89
Jun 2026Trailblazer Energy3402391091090$84.81$3.15
May 2026Trailblazer Energy2083301611610$102.13$2.94
Apr 2026Trailblazer Energy34332887870$100.32$2.77
Mar 2026Trailblazer Energy53865192920$91.38$3.04
Feb 2026Trailblazer Energy7926595825820$64.51$3.62
Jan 2026Cinco Oil8107992692690$60.04$7.72
Dec 2025Cinco Oil9209592172170$57.97$4.26
Nov 2025Cinco Oil7636831351350$60.06$3.79
Oct 2025Cinco Oil2417990$60.89$3.19
Sep 2025Cinco Oil4433551751750$63.96$2.97
Aug 2025Cinco Oil7778504124120$64.86$2.91
Jul 2025Cinco Oil4996352002000$68.39$3.20
Jun 2025Cinco Oil5323682142140$68.17$3.02
May 2025Cinco Oil8688923623620$62.17$3.12
Apr 2025Cinco Oil8097293863860$63.54$3.42
Mar 2025Cinco Oil3813361361360$68.24$4.12
Feb 2025Cinco Oil3433491091090$71.53$4.19
Jan 2025Cinco Oil8781,0371081080$75.74$4.13
Dec 2024Cinco Oil9708453613610$70.12$3.01
Nov 2024Cinco Oil88491151510$69.95$2.12
Oct 2024Cinco Oil5044921341340$71.99$2.20
Sep 2024Cinco Oil9391,0294144140$70.24$2.28
Aug 2024Cinco Oil1,0481,0636656650$76.68$1.99
Jul 2024Cinco Oil9408684664660$81.80$2.07
Jun 2024Cinco Oil52952654449153$79.77$2.54
May 2024Cinco Oil9971,0458928920$80.02$2.12
Apr 2024Cinco Oil1,0179969229220$85.35$1.60
Mar 2024Cinco Oil1,0479857867860$81.28$1.49
Feb 2024Cinco Oil8449815325320$77.25$1.72
Jan 2024Cinco Oil209488862$74.15$3.18
Dec 2023Cinco Oil5246687407400$71.90$2.52
Nov 2023Cinco Oil7536577517510$77.69$2.71
Oct 2023Cinco Oil7667395355350$85.64$2.98
Sep 2023Cinco Oil4925994134094$89.43$2.64
Aug 2023Cinco Oil82994677976415$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

OperatorTrailblazer Energy Resources,llcFieldEagleville (Eagle Ford-1)CountyAtascosa County

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