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Texas oil lease

Producing

HERRERA, GREGORIO

Herrera, Gregorio is an oil lease in McMullen County, Texas, operated by Atlas Operating LLC in the San Miguel Creek (Wilcox Cons.) field.

6 wells

1,218bbl oil, last 12 months+49% vs prior year
Operator
Atlas Operating LLC
County
McMullen County
Field
San Miguel Creek (Wilcox Cons.)
RRC lease
01-14690

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Oil in Jul 2026
3 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 49% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 49% over the last 12 monthsMonthly oil production for HERRERA, GREGORIO, Aug 2023 to Jul 2026. Oil output rose 49% over the last 12 months. 1,218 bbl in the 12 months through Jul 2026, against 819 bbl in the 12 months before.Last 12 months: 1,218 bblbbl per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 49% over the last 12 monthsMonthly oil production for HERRERA, GREGORIO, Aug 2023 to Jul 2026. Oil output rose 49% over the last 12 months. 1,218 bbl in the 12 months through Jul 2026, against 819 bbl in the 12 months before.Last 12 monthsbbl per month0100200300400Jan 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.

Who has run this lease

The operator changed once, most recently in Apr 2021

Operators of this lease over timeEagle Oil & Gas Co., Jan 2020 to Mar 2021; Atlas Operating LLC, Apr 2021 to Jul 20262020202120222023202420252026Changed Apr 2021Eagle Oil & Gas Co.Jan 2020 to Mar 2021Atlas Operating LLCApr 2021 to now
Operators of this lease over timeEagle Oil & Gas Co., Jan 2020 to Mar 2021; Atlas Operating LLC, Apr 2021 to Jul 20262020202120222023202420252026Changed Apr 2021Eagle Oil & Gas Co.Jan 2020 to Mar 2021Atlas Operating LLCApr 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

6 wells on this lease

Wells on HERRERA, GREGORIO
API numberWell no.Status
42-311-000592Active
42-311-000621Active
42-311-336868Shut-in
42-311-339309Shut-in
42-311-3410910Shut-in
42-311-3593211Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Feb 1, 2026–
Gulfmark Energy, Inc.OilGathers100Feb 1, 2017Feb 1, 2026

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

Who buys my oilOil price check

200 acres on the newest permit

The wells on this lease state different acreage

The permits state between 179.92 and 200 acres.

Permits for Herrera, Gregorio
API numberWell no.Acreson the permit
42-311-3593211200
42-311-3410910179.92
42-311-339309199.92
42-311-336868200
42-311-000592–
42-311-000621–

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for HERRERA, GREGORIO
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Atlas Operating3135$80.46$2.89
Jun 2026Atlas Operating1310$84.81$3.15
May 2026Atlas Operating167143$102.13$2.94
Apr 2026Atlas Operating202146$100.32$2.77
Mar 2026Atlas Operating221328$91.38$3.04
Feb 2026Atlas Operating208146$64.51$3.62
Jan 2026Atlas Operating1050$60.04$7.72
Dec 2025Atlas Operating100$57.97$4.26
Nov 2025Atlas Operating80$60.06$3.79
Oct 2025Atlas Operating120$60.89$3.19
Sep 2025Atlas Operating80$63.96$2.97
Aug 2025Atlas Operating143173$64.86$2.91
Jul 2025Atlas Operating1210$68.39$3.20
Jun 2025Atlas Operating130$68.17$3.02
May 2025Atlas Operating110$62.17$3.12
Apr 2025Atlas Operating90$63.54$3.42
Mar 2025Atlas Operating100$68.24$4.12
Feb 2025Atlas Operating260$71.53$4.19
Jan 2025Atlas Operating130$75.74$4.13
Dec 2024Atlas Operating180$70.12$3.01
Nov 2024Atlas Operating3996$69.95$2.12
Oct 2024Atlas Operating265307$71.99$2.20
Sep 2024Atlas Operating256157$70.24$2.28
Aug 2024Atlas Operating380$76.68$1.99
Jul 2024Atlas Operating00$81.80$2.07
Jun 2024Atlas Operating28119$79.77$2.54
May 2024Atlas Operating740$80.02$2.12
Apr 2024Atlas Operating250304$85.35$1.60
Mar 2024Atlas Operating220172$81.28$1.49
Feb 2024Atlas Operating164163$77.25$1.72
Jan 2024Atlas Operating203338$74.15$3.18
Dec 2023Atlas Operating160$71.90$2.52
Nov 2023Atlas Operating150$77.69$2.71
Oct 2023Atlas Operating150$85.64$2.98
Sep 2023Atlas Operating170$89.43$2.64
Aug 2023Atlas Operating200$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

OperatorAtlas Operating LLCFieldSan Miguel Creek (Wilcox Cons.)CountyMcMullen County

Atlas Operating LLC in McMullen County

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San Miguel Creek (Wilcox Cons.) field

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