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Producing

MCWILLIAMS HEIRS A

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

8 wells

3,268bbl oil, last 12 months−33% vs prior year
Operator
Trailblazer Energy Resources,llc
County
Frio County
Field
Doering Ranch (Georgetown)
RRC lease
01-15060

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
67,728 mcf
Oil in Jul 2026
133 bbl

Production by month

Oil output fell 33% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 33% over the last 12 monthsMonthly oil production and gas for MCWILLIAMS HEIRS A, Aug 2023 to Jul 2026. Oil output fell 33% over the last 12 months. 3,268 bbl in the 12 months through Jul 2026, against 4,910 bbl in the 12 months before.Last 12 months: 3,268 bblbbl per monthmcf per month0025010k50020k75030k1,00040kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 33% over the last 12 monthsMonthly oil production and gas for MCWILLIAMS HEIRS A, Aug 2023 to Jul 2026. Oil output fell 33% over the last 12 months. 3,268 bbl in the 12 months through Jul 2026, against 4,910 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0025010k50020k75030k1,00040kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

89% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
89% 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. 89% 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
89% 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. 89% 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)

    89% · 60,595 mcf

  • Lease fuel (1)

    11% · 7,133 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.

8 wells on this lease

Wells on MCWILLIAMS HEIRS A
API numberWell no.Status
42-163-333901Shut-in
42-163-333931BActive
42-163-334003Shut-in
42-163-334054Shut-in
42-163-334085Shut-in
42-163-334591HActive
42-163-334642HActive
42-163-334816HActive

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 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).

Who buys my oilOil price check

2,343.11 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 527.8 and 2,343.11 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    8 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for McWilliams Heirs A
API numberWell no.Acreson the permit
42-163-334591H2,343.11
42-163-334816H2,343.11
42-163-334642H2,343.11
42-163-3340851,524.21
42-163-3340541,524.21
42-163-3340031,524.21
42-163-333931B527.80
42-163-3339011,524.21

SourceRailroad Commission drilling permits, Oct 3, 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 Energy1331185,7475,0030$80.46$2.89
Jun 2026Trailblazer Energy55963,4802,7600$84.81$3.15
May 2026Trailblazer Energy3814937,3566,6780$102.13$2.94
Apr 2026Trailblazer Energy7803,6343,2450$100.32$2.77
Mar 2026Trailblazer Energy2992425,4724,7800$91.38$3.04
Feb 2026Trailblazer Energy3022405,3014,7670$64.51$3.62
Jan 2026Trailblazer Energy3854005,8885,2820$60.04$7.72
Dec 2025Trailblazer Energy4314125,9525,3550$57.97$4.26
Nov 2025Trailblazer Energy4045996,0185,4220$60.06$3.79
Oct 2025Trailblazer Energy4542455,9925,4570$60.89$3.19
Sep 2025Trailblazer Energy822356,0425,4620$63.96$2.97
Aug 2025Trailblazer Energy264686,8466,3840$64.86$2.91
Jul 2025Trailblazer Energy3404818,2047,8420$68.39$3.20
Jun 2025Trailblazer Energy4294027,4177,0660$68.17$3.02
May 2025Trailblazer Energy28742027,10426,7770$62.17$3.12
Apr 2025Trailblazer Energy4543508,6558,3040$63.54$3.42
Mar 2025Trailblazer Energy5134959,3468,9840$68.24$4.12
Feb 2025Trailblazer Energy3583227,5107,3230$71.53$4.19
Jan 2025Trailblazer Energy4094908,9608,6330$75.74$4.13
Dec 2024Trailblazer Energy5104228,0318,0310$70.12$3.01
Nov 2024Trailblazer Energy1821039,2759,2750$69.95$2.12
Oct 2024Trailblazer Energy3643816,5566,5560$71.99$2.20
Sep 2024Trailblazer Energy4775005,4935,4930$70.24$2.28
Aug 2024Trailblazer Energy5875576,4856,4850$76.68$1.99
Jul 2024Trailblazer Energy2353345,2795,2790$81.80$2.07
Jun 2024Trailblazer Energy5017205,5735,5730$79.77$2.54
May 2024Trailblazer Energy4805426,6496,6490$80.02$2.12
Apr 2024Trailblazer Energy5975086,0546,0540$85.35$1.60
Mar 2024Trailblazer Energy5582595,4605,4600$81.28$1.49
Feb 2024Trailblazer Energy6347107,3037,3030$77.25$1.72
Jan 2024Trailblazer Energy9438779,2208,3650$74.15$3.18
Dec 2023Trailblazer Energy1834098,2767,9510$71.90$2.52
Nov 2023Trailblazer Energy6755639,4698,8190$77.69$2.71
Oct 2023Trailblazer Energy54870810,4859,7510$85.64$2.98
Sep 2023Trailblazer Energy41623411,44010,6390$89.43$2.64
Aug 2023Virtex Operating5337429,6719,6710$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,llcFieldDoering Ranch (Georgetown)CountyFrio County

Trailblazer Energy Resources,llc in Frio County

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Doering Ranch (Georgetown) field

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