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MCWILLIAMS HEIRS A

McWilliams Heirs A is an oil lease in Frio County, Texas, operated by Trailblazer Energy Resources,llc in the Briscoe Ranch (Eagleford) field.

1 well

929bbl oil, last 12 months−53% vs prior year
Operator
Trailblazer Energy Resources,llc
County
Frio County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-17799

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
7,563 mcf
Oil in Jul 2026
1 bbl

Production by month

Oil output fell 53% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for MCWILLIAMS HEIRS A, Aug 2023 to Jul 2026. Oil output fell 53% over the last 12 months. 929 bbl in the 12 months through Jul 2026, against 1,978 bbl in the 12 months before.Last 12 months: 929 bblbbl per monthmcf per month00501,0001002,0001503,0002004,0002505,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for MCWILLIAMS HEIRS A, Aug 2023 to Jul 2026. Oil output fell 53% over the last 12 months. 929 bbl in the 12 months through Jul 2026, against 1,978 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00501,0001002,0001503,0002004,0002505,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

95% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
95% of the gas went to a processing plant in the last 12 monthsShare of MCWILLIAMS HEIRS A gas by disposition code each month, Aug 2023 to Jul 2026. 95% 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 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
95% of the gas went to a processing plant in the last 12 monthsShare of MCWILLIAMS HEIRS A gas by disposition code each month, Aug 2023 to Jul 2026. 95% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    95% · 12,857 mcf

  • Lease fuel (1)

    5.3% · 713 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 MCWILLIAMS HEIRS A
API numberWell no.Status
42-163-336658HRActive

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 gasGathers100Nov 19, 2013Sep 1, 2023
Energy Transfer CompanyCasinghead gasBuys20Jan 1, 2023Sep 1, 2023
Targa Midstream Services LLCCasinghead gasBuys80Jan 1, 2023Sep 1, 2023
Eastex Crude Company, LLCOilGathers100Jan 1, 2023Sep 1, 2023
Calpine Energy Services, L.p.Casinghead gasBuys100Nov 19, 2013Jan 1, 2023

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

Who buys my oilOil price check

1,993.11 acres on the newest permit

Check your decimal on this lease
Permits for McWilliams Heirs A
API numberWell no.Acreson the permit
42-163-336658HR1,993.11

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MCWILLIAMS HEIRS A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Trailblazer Energy11000$80.46$2.89
Jun 2026Trailblazer Energy581000$84.81$3.15
May 2026Trailblazer Energy00000$102.13$2.94
Apr 2026Trailblazer Energy33000$100.32$2.77
Mar 2026Trailblazer Energy461043793270$91.38$3.04
Feb 2026Trailblazer Energy1451389958700$64.51$3.62
Jan 2026Trailblazer Energy1201141,0829440$60.04$7.72
Dec 2025Trailblazer Energy1261231,1089610$57.97$4.26
Nov 2025Trailblazer Energy321081,0789550$60.06$3.79
Oct 2025Trailblazer Energy1751191,1269980$60.89$3.19
Sep 2025Trailblazer Energy1261029259250$63.96$2.97
Aug 2025Trailblazer Energy1501058708700$64.86$2.91
Jul 2025Trailblazer Energy1422181,1801,1800$68.39$3.20
Jun 2025Trailblazer Energy1762279309300$68.17$3.02
May 2025Trailblazer Energy1141013,1523,1520$62.17$3.12
Apr 2025Trailblazer Energy15807457450$63.54$3.42
Mar 2025Trailblazer Energy1622071,1401,1400$68.24$4.12
Feb 2025Trailblazer Energy1592167707700$71.53$4.19
Jan 2025Trailblazer Energy1882069369360$75.74$4.13
Dec 2024Trailblazer Energy1751046736730$70.12$3.01
Nov 2024Trailblazer Energy1662416556550$69.95$2.12
Oct 2024Trailblazer Energy1921241,5071,5070$71.99$2.20
Sep 2024Trailblazer Energy1732109969960$70.24$2.28
Aug 2024Trailblazer Energy1731037397390$76.68$1.99
Jul 2024Trailblazer Energy1841516436430$81.80$2.07
Jun 2024Trailblazer Energy1221247157150$79.77$2.54
May 2024Trailblazer Energy1631294174170$80.02$2.12
Apr 2024Trailblazer Energy1461905205200$85.35$1.60
Mar 2024Trailblazer Energy125694744740$81.28$1.49
Feb 2024Trailblazer Energy1451921,0321,0320$77.25$1.72
Jan 2024Trailblazer Energy1851781,1871,0030$74.15$3.18
Dec 2023Trailblazer Energy1151595064750$71.90$2.52
Nov 2023Trailblazer Energy2081355364990$77.69$2.71
Oct 2023Trailblazer Energy1641979328670$85.64$2.98
Sep 2023Trailblazer Energy1481231,0921,0920$89.43$2.64
Aug 2023Virtex Operating1281291,0631,0630$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

This lease belongs to

OperatorTrailblazer Energy Resources,llcFieldBriscoe Ranch (Eagleford)CountyFrio County

Trailblazer Energy Resources,llc in Frio County

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