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Texas gas well

Producing

MCGILL BROS.

McGill Bros. is a gas well in Starr County, Texas, operated by Hilcorp Energy Company in the Kelsey (Vxkbg. Consol.) field.

1 well

13,091mcf gas, last 12 months−26% vs prior year
Operator
Hilcorp Energy Company
County
Starr County
Field
Kelsey (Vxkbg. Consol.)
RRC lease
04-034906

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Where it sits

This county

Starr CountyStarrBrooksJim HoggZapataHidalgoStarr County
Starr County
Oil, last 12 months
15 bbl
Gas in Jul 2026
735 mcf

Checks stopped on this lease?

  • Operator

    Operator changed: Hilcorp Energy Company took over from Overton Park Oil & Gas LP in Jul 2026.

  • P-5

    The previous operator's P-5 registration is listed as inactive since Sep 10, 2026 (last P-5 filed Apr 18, 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Gas output fell 26% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 26% over the last 12 monthsMonthly gas production and oil for MCGILL BROS., Aug 2023 to Jul 2026. Gas output fell 26% over the last 12 months. 13,091 mcf in the 12 months through Jul 2026, against 17,666 mcf in the 12 months before.Last 12 months: 13,091 mcfmcf per monthbbl per month0050051,000101,500152,000202,50025Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 26% over the last 12 monthsMonthly gas production and oil for MCGILL BROS., Aug 2023 to Jul 2026. Gas output fell 26% over the last 12 months. 13,091 mcf in the 12 months through Jul 2026, against 17,666 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0050051,000101,500152,000202,50025Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jul 2026 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 5.3% of the gas in Jul 2026.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jul 2026 the lease's gas goes to a transmission line instead of a processing plantShare of MCGILL BROS. gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 5.3% of the gas in Jul 2026.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: plant to lineFlared 5.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to a transmission line instead of a processing plantShare of MCGILL BROS. gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 5.3% of the gas in Jul 2026.Share of gas by disposition code0%50%100%Jul 26: plant to lineFlared 5.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    94% · 12,356 mcf

  • Transmission line (2)

    3.9% · 506 mcf

  • Lease fuel (1)

    1.5% · 190 mcf

  • Flared (4)

    0.3% · 39 mcf

0.3% of the gas flared in the last 12 months. One month above 3%.

Who has run this lease

The operator changed once, most recently in Jul 2026

Operators of this lease over timeOverton Park Oil & Gas LP, Jan 2020 to Jun 2026; Hilcorp Energy Company, Jul 2026 to Jul 20262020202120222023202420252026Changed Jul 2026Overton Park Oil & Gas LPJan 2020 to Jun 2026Hilcorp Energy CompanyJul 2026 to now
Operators of this lease over timeOverton Park Oil & Gas LP, Jan 2020 to Jun 2026; Hilcorp Energy Company, Jul 2026 to Jul 20262020202120222023202420252026Changed Jul 2026Overton Park Oil & Gas LPJan 2020 to Jun 2026Hilcorp Energy CompanyJul 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on MCGILL BROS.
API numberWell no.Status
42-427-04507321Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.CondensateGathers100Oct 1, 2023–
Et Gathering & Processing LLCGas-well gasBuys100Oct 1, 2023–
Energy Transfer CompanyGas-well gasGathers100Jul 1, 2015–
Shell Trading (Us) CompanyCondensateGathers100Feb 1, 2021Oct 1, 2023
Energy Transfer CompanyGas-well gasBuys100Jul 1, 2015Oct 1, 2023
Gulfmark Energy, Inc.CondensateGathers100Dec 1, 2019Feb 1, 2021
Flint Hills Resources, LPCondensateGathers100Dec 1, 2018Dec 1, 2019

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

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What the drilling permits say

  • Good to know

    The state has no unit acreage for this lease

    Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease
Permits for McGill Bros.
API numberWell no.Acreson the permit
42-427-04507321–

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

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36 months, newest first

Ledger for MCGILL BROS.
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Hilcorp Energy15073550639$80.46$2.89
Jun 2026Overton Park001,1931,1930$84.81$3.15
May 2026Overton Park001,2991,2990$102.13$2.94
Apr 2026Overton Park001,2711,2710$100.32$2.77
Mar 2026Overton Park001,6551,6550$91.38$3.04
Feb 2026Overton Park001,7501,7500$64.51$3.62
Jan 2026Overton Park001,0241,0240$60.04$7.72
Dec 2025Overton Park008638630$57.97$4.26
Nov 2025Overton Park002952950$60.06$3.79
Oct 2025Overton Park007797790$60.89$3.19
Sep 2025Overton Park001,0451,0450$63.96$2.97
Aug 2025Overton Park001,1821,1820$64.86$2.91
Jul 2025Overton Park001,0241,0240$68.39$3.20
Jun 2025Overton Park001,0141,0140$68.17$3.02
May 2025Overton Park009719710$62.17$3.12
Apr 2025Overton Park221,2371,2370$63.54$3.42
Mar 2025Overton Park111,3341,3340$68.24$4.12
Feb 2025Overton Park111,2031,2030$71.53$4.19
Jan 2025Overton Park111,2571,2570$75.74$4.13
Dec 2024Overton Park002,0162,0160$70.12$3.01
Nov 2024Overton Park001,9311,9310$69.95$2.12
Oct 2024Overton Park001,9291,9290$71.99$2.20
Sep 2024Overton Park001,7751,7750$70.24$2.28
Aug 2024Overton Park001,9751,9750$76.68$1.99
Jul 2024Overton Park001,8541,8540$81.80$2.07
Jun 2024Overton Park001,7381,7380$79.77$2.54
May 2024Overton Park002,0902,0900$80.02$2.12
Apr 2024Overton Park002,0702,0700$85.35$1.60
Mar 2024Overton Park002,1542,1540$81.28$1.49
Feb 2024Overton Park002,3282,3280$77.25$1.72
Jan 2024Overton Park001,8101,8100$74.15$3.18
Dec 2023Overton Park009279270$71.90$2.52
Nov 2023Overton Park008708700$77.69$2.71
Oct 2023Overton Park003813810$85.64$2.98
Sep 2023Overton Park006346340$89.43$2.64
Aug 2023Overton Park001,9981,9980$81.39$2.58

Flared above 3%

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

OperatorHilcorp Energy CompanyFieldKelsey (Vxkbg. Consol.)CountyStarr County

Hilcorp Energy Company in Starr County

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Kelsey (Vxkbg. Consol.) field

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