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Royalty Clerk

Texas oil lease

Producing

MCKEAN, M.

McKean, M. is an oil lease in Bexar County, Texas, operated by South Sam Operating Company, LLC in the Monksfield (350 Sand) field.

90 wells

94bbl oil, last 12 months+47% vs prior year
Operator
South Sam Operating Company, LLC
County
Bexar County
Field
Monksfield (350 Sand)
RRC lease
01-08403

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Where it sits

This county

Bexar CountyBexarWilsonComalMedinaKendallHaysGuadalupeBanderaBexar County
Bexar County
Oil in Jul 2026
0 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 47% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 47% over the last 12 monthsMonthly oil production for MCKEAN, M., Aug 2023 to Jul 2026. Oil output rose 47% over the last 12 months. 94 bbl in the 12 months through Jul 2026, against 64 bbl in the 12 months before.Last 12 months: 94 bblbbl per month0510152025Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 47% over the last 12 monthsMonthly oil production for MCKEAN, M., Aug 2023 to Jul 2026. Oil output rose 47% over the last 12 months. 94 bbl in the 12 months through Jul 2026, against 64 bbl in the 12 months before.Last 12 monthsbbl per month0510152025Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

90 wells on this lease

Wells on MCKEAN, M.
API numberWell no.Status
42-029-32253408Active
42-029-32254413Active
42-029-32420221Active
42-029-32421120Active
42-029-32422121Active
42-029-32423407Active
42-029-32424409Active
42-029-32425417Active
42-029-32426412Active
42-029-32427411Active
42-029-32428420Active
42-029-32429418Active
42-029-32430218Active
42-029-32431421Active
42-029-32432209Active
42-029-32433208Active
42-029-32434108Active
42-029-32435212Active
42-029-32436213Active
42-029-32437217Active
42-029-32438214Active
42-029-32439215Active
42-029-32440216Active
42-029-32441319Active
42-029-32442321Active
42-029-32443317Active
42-029-32444318Active
42-029-32445316Active
42-029-32446314Active
42-029-32447315Active
42-029-32448313Active
42-029-32449312Active
42-029-32450310Active
42-029-32451311Active
42-029-32452309Active
42-029-32453308Active
42-029-32454307Active
42-029-32488113Active
42-029-32489114Active
42-029-32490419Active
42-029-32491107Active
42-029-32492110Active
42-029-32493320Active
42-029-32494219Active
42-029-32495211Active
42-029-32496210Active
42-029-32497119Active
42-029-32498207Active
42-029-32499112Active
42-029-32500111Active
42-029-32501109Active
42-029-32502118Active
42-029-32503117Active
42-029-32504116Active
42-029-32505115Active
42-029-32506416Active
42-029-32507220Active
42-029-32508410Active
42-029-32509414Active
42-029-32510415Active
42-029-35047422Active
42-029-35048555Active
42-029-35049554Active
42-029-35050515Active
42-029-35051516Active
42-029-35052518Active
42-029-35053519Active
42-029-35054521Active
42-029-35055522Active
42-029-35056524Active
42-029-35057525Active
42-029-35058527Active
42-029-35059528Active
42-029-35060530Active
42-029-35061531Active
42-029-35062533Active
42-029-35063534Active
42-029-35064536Active
42-029-35065537Active
42-029-35066539Active
42-029-35067540Active
42-029-35074542Active
42-029-35077543Active
42-029-35078545Active
42-029-35079546Active
42-029-35080548Active
42-029-35081549Active
42-029-35082551Active
42-029-35083552Active
42-029-35084513Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Jan 25, 2019–
Ace Gathering, Inc.OilGathers100Nov 1, 2015Jan 25, 2019

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

Who buys my oilOil price check

136 acres on the newest permit

90 wells are listed on this lease

Permits for McKean, M.
API numberWell no.Acreson the permit
42-029-35047422136
42-029-35048555136
42-029-35049554136
42-029-35050515136
42-029-35051516136
42-029-35052518136
42-029-35053519136
42-029-35054521136
42-029-35055522136
42-029-35056524136
42-029-35057525136
42-029-35058527136

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

Unit decimal checker

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36 months, newest first

Ledger for MCKEAN, M.
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 202600$80.46$2.89
Jun 202609$84.81$3.15
May 202640$102.13$2.94
Apr 202660$100.32$2.77
Mar 20261214$91.38$3.04
Feb 202620$64.51$3.62
Jan 2026926$60.04$7.72
Dec 2025120$57.97$4.26
Nov 202560$60.06$3.79
Oct 20251012$60.89$3.19
Sep 20252132$63.96$2.97
Aug 20251220$64.86$2.91
Jul 202500$68.39$3.20
Jun 202500$68.17$3.02
May 2025100$62.17$3.12
Apr 202580$63.54$3.42
Mar 202556$68.24$4.12
Feb 202556$71.53$4.19
Jan 202550$75.74$4.13
Dec 202455$70.12$3.01
Nov 202456$69.95$2.12
Oct 202456$71.99$2.20
Sep 202487$70.24$2.28
Aug 202487$76.68$1.99
Jul 20241414$81.80$2.07
Jun 20241419$79.77$2.54
May 202450$80.02$2.12
Apr 2024731$85.35$1.60
Mar 202450$81.28$1.49
Feb 2024511$77.25$1.72
Jan 20241224$74.15$3.18
Dec 2023200$71.90$2.52
Nov 2023612$77.69$2.71
Oct 20231123$85.64$2.98
Sep 2023100$89.43$2.64
Aug 2023911$81.39$2.58

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

OperatorSouth Sam Operating Company, LLCFieldMonksfield (350 Sand)CountyBexar County

South Sam Operating Company, LLC in Bexar County

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Monksfield (350 Sand) field

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