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Texas oil lease

Producing

SWALLOW GAS UNIT

Swallow Gas Unit is an oil lease in Hidalgo County, Texas, operated by Wagner Oil Company in the Donna (6700) field.

1 well

201bbl oil, last 12 months−55% vs prior year
Operator
Wagner Oil Company
County
Hidalgo County
Field
Donna (6700)
RRC lease
04-12556

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Where it sits

This county

Hidalgo CountyHidalgoBrooksJim HoggKenedyWillacyStarrCameronHidalgo County
Hidalgo County
Gas, last 12 months
235 mcf
Oil in Jul 2026
31 bbl

Production by month

Oil output fell 55% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 55% over the last 12 monthsMonthly oil production and gas for SWALLOW GAS UNIT, Aug 2023 to Jul 2026. Oil output fell 55% over the last 12 months. 201 bbl in the 12 months through Jul 2026, against 443 bbl in the 12 months before.Last 12 months: 201 bblbbl per monthmcf per month0025205040756010080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 55% over the last 12 monthsMonthly oil production and gas for SWALLOW GAS UNIT, Aug 2023 to Jul 2026. Oil output fell 55% over the last 12 months. 201 bbl in the 12 months through Jul 2026, against 443 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0025205040756010080Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

80% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
80% of the gas went to a transmission line in the last 12 monthsShare of SWALLOW GAS UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 80% of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
80% of the gas went to a transmission line in the last 12 monthsShare of SWALLOW GAS UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 80% of the gas went to a transmission line 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.

  • Transmission line (2)

    80% · 189 mcf

  • Lease fuel (1)

    20% · 46 mcf

1 well on this lease

Wells on SWALLOW GAS UNIT
API numberWell no.Status
42-215-012811Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100May 1, 2020–
Wagner Oil CompanyCasinghead gasBuys100Jan 1, 2010–
Wagner Oil CompanyCasinghead gasGathers100Jan 1, 2010–
Sunoco Ptnrs. Mktg.&terminals LPOilGathers100Dec 1, 2019May 1, 2020
Flint Hills Resources, LPOilGathers100Mar 1, 2002Dec 1, 2019

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

Who buys my oilOil price check

640 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

Check your decimal on this lease
Permits for Swallow Gas Unit
API numberWell no.Acreson the permit
42-215-012811640

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SWALLOW GAS UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026311828230$80.46$2.89
Jun 2026241832250$84.81$3.15
May 2026132614110$102.13$2.94
Apr 2026181516130$100.32$2.77
Mar 2026191325200$91.38$3.04
Feb 2026191319150$64.51$3.62
Jan 2026161714110$60.04$7.72
Dec 202555540$57.97$4.26
Nov 2025132227220$60.06$3.79
Oct 2025121321170$60.89$3.19
Sep 2025241428230$63.96$2.97
Aug 202579650$64.86$2.91
Jul 2025173636300$68.39$3.20
Jun 2025252120170$68.17$3.02
May 2025100000$62.17$3.12
Apr 2025275723190$63.54$3.42
Mar 20253934540$68.24$4.12
Feb 20253036760$71.53$4.19
Jan 2025533833270$75.74$4.13
Dec 2024687018150$70.12$3.01
Nov 2024382722180$69.95$2.12
Oct 2024376026210$71.99$2.20
Sep 2024463513110$70.24$2.28
Aug 2024534221180$76.68$1.99
Jul 2024688635300$81.80$2.07
Jun 2024709530260$79.77$2.54
May 2024829337310$80.02$2.12
Apr 2024838737320$85.35$1.60
Mar 2024628628240$81.28$1.49
Feb 2024854434300$77.25$1.72
Jan 2024848826230$74.15$3.18
Dec 20231009129260$71.90$2.52
Nov 2023728751460$77.69$2.71
Oct 2023664148430$85.64$2.98
Sep 2023778952460$89.43$2.64
Aug 20238011052460$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

OperatorWagner Oil CompanyFieldDonna (6700)CountyHidalgo County

Wagner Oil Company in Hidalgo County

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Donna (6700) field

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