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Texas oil lease

Producing

O'NEILL-BIEL UNIT

O'Neill-Biel Unit is an oil lease in Frio County, Texas, operated by Trailblazer Energy Resources,llc in the Doering Ranch (Georgetown) field.

1 well

1,540bbl oil, last 12 months−25% vs prior year
RRC lease
01-17785

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
14,948 mcf
Oil in Jul 2026
7 bbl

Production by month

Oil output fell 25% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 25% over the last 12 monthsMonthly oil production and gas for O'NEILL-BIEL UNIT, Aug 2023 to Jul 2026. Oil output fell 25% over the last 12 months. 1,540 bbl in the 12 months through Jul 2026, against 2,054 bbl in the 12 months before.Last 12 months: 1,540 bblbbl per monthmcf per month00502,0001004,0001506,0002008,00025010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 25% over the last 12 monthsMonthly oil production and gas for O'NEILL-BIEL UNIT, Aug 2023 to Jul 2026. Oil output fell 25% over the last 12 months. 1,540 bbl in the 12 months through Jul 2026, against 2,054 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00502,0001004,0001506,0002008,00025010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant

  • Processing plant (3)
  • Lease fuel (1)
Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plantShare of O'NEILL-BIEL UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: plant to fuelOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plantShare of O'NEILL-BIEL UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant.Share of gas by disposition code0%50%100%Jul 26: plant to fuelJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    71% · 10,587 mcf

  • Lease fuel (1)

    29% · 4,361 mcf

Who has run this lease

The operator changed once, most recently in Sep 2023

Operators of this lease over timeVirtex Operating Company, Inc., Jan 2020 to Aug 2023; Trailblazer Energy Resources,llc, Sep 2023 to Jul 20262020202120222023202420252026Changed Sep 2023Virtex Operating Company, Inc.Jan 2020 to Aug 2023Trailblazer Energy Resources,…Sep 2023 to now
Operators of this lease over timeVirtex Operating Company, Inc., Jan 2020 to Aug 2023; Trailblazer Energy Resources,llc, Sep 2023 to Jul 20262020202120222023202420252026Changed Sep 2023Virtex Operating Company, Inc.Jan 2020 to Aug 2023Trailblazer Energy Resources,llcSep 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on O'NEILL-BIEL UNIT
API numberWell no.Status
42-163-336501HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Shell Trading (Us) CompanyOilGathers100Sep 1, 2023–
Targa Frio Lasalle Pipeline LPCasinghead gasBuys60Sep 1, 2023–
Et Gathering & Processing LLCCasinghead gasBuys40Nov 1, 2023–
Targa Frio Lasalle Pipeline LPCasinghead gasGathers60Sep 1, 2023–
Energy Transfer CompanyCasinghead gasGathers40Sep 1, 2023–
Energy Transfer CompanyCasinghead gasBuys40Sep 1, 2023Nov 1, 2023
Faraday Midstream CompanyCasinghead gasGathers100Aug 1, 2013Sep 1, 2023
Energy Transfer CompanyCasinghead gasBuys35Jan 1, 2023Sep 1, 2023
Targa Southtex Midstream MarketiCasinghead gasBuys65Apr 1, 2023Sep 1, 2023
Eastex Crude Company, LLCOilGathers10Apr 1, 2023Sep 1, 2023
Shell Trading (Us) CompanyOilGathers10Jan 1, 2023Sep 1, 2023

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

600 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

Check your decimal on this lease
Permits for O'Neill-Biel Unit
API numberWell no.Acreson the permit
42-163-336501H600

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

Estimate your royalty

36 months, newest first

Ledger for O'NEILL-BIEL UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Trailblazer Energy7165423510$80.46$2.89
Jun 2026Trailblazer Energy8338274670$84.81$3.15
May 2026Trailblazer Energy1311631,2869140$102.13$2.94
Apr 2026Trailblazer Energy1421641,3801,0200$100.32$2.77
Mar 2026Trailblazer Energy1471651,4111,0390$91.38$3.04
Feb 2026Trailblazer Energy1441671,2999630$64.51$3.62
Jan 2026Trailblazer Energy15801,5291,1570$60.04$7.72
Dec 2025Trailblazer Energy1521701,3741,0020$57.97$4.26
Nov 2025Trailblazer Energy1491791,4181,0580$60.06$3.79
Oct 2025Trailblazer Energy1531781,4631,0910$60.89$3.19
Sep 2025Trailblazer Energy1381681,3509990$63.96$2.97
Aug 2025Trailblazer Energy1361631,1888260$64.86$2.91
Jul 2025Trailblazer Energy1211731,7811,4280$68.39$3.20
Jun 2025Trailblazer Energy1851802,0721,7210$68.17$3.02
May 2025Trailblazer Energy2081747,1826,9130$62.17$3.12
Apr 2025Trailblazer Energy1551741,4831,3540$63.54$3.42
Mar 2025Trailblazer Energy1641741,9581,6420$68.24$4.12
Feb 2025Trailblazer Energy921791,5171,2480$71.53$4.19
Jan 2025Trailblazer Energy18901,9811,7810$75.74$4.13
Dec 2024Trailblazer Energy2421771,5971,5970$70.12$3.01
Nov 2024Trailblazer Energy1511741,2281,2280$69.95$2.12
Oct 2024Trailblazer Energy1491692,6322,6320$71.99$2.20
Sep 2024Trailblazer Energy2161763,5913,5910$70.24$2.28
Aug 2024Trailblazer Energy1823523,6403,6400$76.68$1.99
Jul 2024Trailblazer Energy19703,6173,6170$81.80$2.07
Jun 2024Trailblazer Energy1803373,4523,4520$79.77$2.54
May 2024Trailblazer Energy1591742,9952,9950$80.02$2.12
Apr 2024Trailblazer Energy1891612,6562,6560$85.35$1.60
Mar 2024Trailblazer Energy1821782,7632,7630$81.28$1.49
Feb 2024Trailblazer Energy1911852,1812,1810$77.25$1.72
Jan 2024Trailblazer Energy2401863,1122,6280$74.15$3.18
Dec 2023Trailblazer Energy1751632,4992,3300$71.90$2.52
Nov 2023Trailblazer Energy1881902,3212,1610$77.69$2.71
Oct 2023Trailblazer Energy1721802,0741,9290$85.64$2.98
Sep 2023Trailblazer Energy1531781,7281,6070$89.43$2.64
Aug 2023Virtex Operating1801851,8901,8900$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

Trailblazer Energy Resources,llc in Frio County

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Doering Ranch (Georgetown) field

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