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Texas oil lease

Producing

LOPEZ

Lopez is an oil lease in Webb County, Texas, operated by Rattlesnake Operating Co, LLC in the Lopez, North (Lopez) field.

2 wells

166bbl oil, last 12 months−59% vs prior year
Operator
Rattlesnake Operating Co, LLC
County
Webb County
Field
Lopez, North (Lopez)
RRC lease
04-13800

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Where it sits

This county

Webb CountyWebbLa SalleDimmitWebb County
Webb County
Oil in Jul 2026
11 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 59% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 59% over the last 12 monthsMonthly oil production for LOPEZ, Aug 2023 to Jul 2026. Oil output fell 59% over the last 12 months. 166 bbl in the 12 months through Jul 2026, against 403 bbl in the 12 months before.Last 12 months: 166 bblbbl per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 59% over the last 12 monthsMonthly oil production for LOPEZ, Aug 2023 to Jul 2026. Oil output fell 59% over the last 12 months. 166 bbl in the 12 months through Jul 2026, against 403 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 2 times, most recently in Oct 2025

Operators of this lease over timeDallas Petroleum Group, LLC, Jan 2020 to May 2023; Jalapeno Operating Company, LLC, Jun 2023 to Sep 2025; Rattlesnake Operating Co, LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Jun 2023Changed Oct 2025Dallas Petroleum Group, LLCJan 2020 to May 2023Jalapeno Operating Company, L…Jun 2023 to Sep 2025Rattlesnake Operating Co, LLCOct 2025 to now
Operators of this lease over timeDallas Petroleum Group, LLC, Jan 2020 to May 2023; Jalapeno Operating Company, LLC, Jun 2023 to Sep 2025; Rattlesnake Operating Co, LLC, Oct 2025 to Jul 20262020202120222023202420252026Changed Jun 2023Changed Oct 2025Dallas Petroleum Group, LLCJan 2020 to May 2023Jalapeno Operating Company, LLCJun 2023 to Sep 2025Rattlesnake Operating Co, LLCOct 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on LOPEZ
API numberWell no.Status
42-131-393641Active
42-479-423777Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Oct 13, 2025–
Genesis Crude Oil, L.p.OilGathers50Jun 1, 2023Oct 13, 2025
Gulfmark Energy, Inc.OilGathers50Jun 1, 2023Oct 13, 2025
Genesis Crude Oil, L.p.OilGathers100Jun 13, 2013Jun 1, 2023

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

Who buys my oilOil price check

689.67 acres on the newest permit

Permits for Lopez
API numberWell no.Acreson the permit
42-479-423777689.67
42-131-393641689.67

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

Unit decimal checker

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36 months, newest first

Ledger for LOPEZ
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Rattlesnake Operating110$80.46$2.89
Jun 2026Rattlesnake Operating120$84.81$3.15
May 2026Rattlesnake Operating130$102.13$2.94
Apr 2026Rattlesnake Operating100$100.32$2.77
Mar 2026Rattlesnake Operating120$91.38$3.04
Feb 2026Rattlesnake Operating110$64.51$3.62
Jan 2026Rattlesnake Operating160$60.04$7.72
Dec 2025Rattlesnake Operating160$57.97$4.26
Nov 2025Rattlesnake Operating130$60.06$3.79
Oct 2025Rattlesnake Operating220$60.89$3.19
Sep 2025Jalapeno Operating180$63.96$2.97
Aug 2025Jalapeno Operating12132$64.86$2.91
Jul 2025Jalapeno Operating790$68.39$3.20
Jun 2025Jalapeno Operating00$68.17$3.02
May 2025Jalapeno Operating00$62.17$3.12
Apr 2025Jalapeno Operating00$63.54$3.42
Mar 2025Jalapeno Operating210$68.24$4.12
Feb 2025Jalapeno Operating80$71.53$4.19
Jan 2025Jalapeno Operating140$75.74$4.13
Dec 2024Jalapeno Operating120$70.12$3.01
Nov 2024Jalapeno Operating150$69.95$2.12
Oct 2024Jalapeno Operating140149$71.99$2.20
Sep 2024Jalapeno Operating114139$70.24$2.28
Aug 2024Jalapeno Operating00$76.68$1.99
Jul 2024Jalapeno Operating111159$81.80$2.07
Jun 2024Jalapeno Operating74157$79.77$2.54
May 2024Jalapeno Operating1470$80.02$2.12
Apr 2024Jalapeno Operating152153$85.35$1.60
Mar 2024Jalapeno Operating178159$81.28$1.49
Feb 2024Jalapeno Operating267316$77.25$1.72
Jan 2024Jalapeno Operating219162$74.15$3.18
Dec 2023Jalapeno Operating321328$71.90$2.52
Nov 2023Jalapeno Operating171298$77.69$2.71
Oct 2023Jalapeno Operating292165$85.64$2.98
Sep 2023Jalapeno Operating254319$89.43$2.64
Aug 2023Jalapeno Operating249287$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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Nearby

This lease belongs to

OperatorRattlesnake Operating Co, LLCFieldLopez, North (Lopez)CountyWebb County

Rattlesnake Operating Co, LLC in Webb County

No other producing leases from this operator in this county are in our data yet.

Lopez, North (Lopez) field

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