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Texas gas well

Producing

SWALLOW GAS UNIT

Swallow Gas Unit is a gas well in Hidalgo County, Texas, operated by Wagner Oil Company in the Donna (Armstrong) field.

1 well

3,274mcf gas, last 12 months−20% vs prior year
Operator
Wagner Oil Company
County
Hidalgo County
Field
Donna (Armstrong)
RRC lease
04-154576

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Where it sits

This county

Hidalgo CountyHidalgoBrooksJim HoggKenedyWillacyStarrCameronHidalgo County
Hidalgo County
Gas in Jul 2026
261 mcf
Reporting since
Jan 2020

Production by month

Gas output fell 20% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 20% over the last 12 monthsMonthly gas production for SWALLOW GAS UNIT, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 3,274 mcf in the 12 months through Jul 2026, against 4,114 mcf in the 12 months before.Last 12 months: 3,274 mcfmcf per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 20% over the last 12 monthsMonthly gas production for SWALLOW GAS UNIT, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 3,274 mcf in the 12 months through Jul 2026, against 4,114 mcf in the 12 months before.Last 12 monthsmcf per month0200400600800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

81% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
81% 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. 81% 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
81% 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. 81% 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)

    81% · 2,646 mcf

  • Lease fuel (1)

    19% · 628 mcf

1 well on this lease

Wells on SWALLOW GAS UNIT
API numberWell no.Status
42-215-3119410Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.CondensateGathers100May 1, 2020–
Wagner Oil CompanyGas-well gasBuys100Jan 1, 2010–
Wagner Oil CompanyGas-well gasGathers100Jan 1, 2010–
Sunoco Ptnrs. Mktg.&terminals LPCondensateGathers100Dec 1, 2019May 1, 2020
Flint Hills Resources, LPCondensateGathers100Mar 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
42-215-3119410640

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
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262612120$80.46$2.89
Jun 20262491940$84.81$3.15
May 20263112450$102.13$2.94
Apr 20262922350$100.32$2.77
Mar 20263172580$91.38$3.04
Feb 20262241800$64.51$3.62
Jan 20262261830$60.04$7.72
Dec 20252472000$57.97$4.26
Nov 20252221810$60.06$3.79
Oct 20252572090$60.89$3.19
Sep 20253262660$63.96$2.97
Aug 20253422830$64.86$2.91
Jul 20253542930$68.39$3.20
Jun 20253542190$68.17$3.02
May 202518110$62.17$3.12
Apr 20252671720$63.54$3.42
Mar 20255543770$68.24$4.12
Feb 20253642540$71.53$4.19
Jan 20255523920$75.74$4.13
Dec 20244903490$70.12$3.01
Nov 20244623390$69.95$2.12
Oct 20244573270$71.99$2.20
Sep 2024111820$70.24$2.28
Aug 2024131960$76.68$1.99
Jul 20241901410$81.80$2.07
Jun 20241931430$79.77$2.54
May 20241571130$80.02$2.12
Apr 202492670$85.35$1.60
Mar 202476560$81.28$1.49
Feb 202462460$77.25$1.72
Jan 2024128990$74.15$3.18
Dec 202390720$71.90$2.52
Nov 20231511200$77.69$2.71
Oct 20231861520$85.64$2.98
Sep 20232001580$89.43$2.64
Aug 20235134140$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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This lease belongs to

OperatorWagner Oil CompanyFieldDonna (Armstrong)CountyHidalgo County

Wagner Oil Company in Hidalgo County

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Donna (Armstrong) field

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