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Producing

KEYSTONE SILURIAN UNIT

Keystone Silurian Unit is a gas well in Winkler County, Texas, operated by Hilcorp Energy Company in the Keystone (Dev-McKee Cons) field.

1 well

9,594mcf gas, last 12 months−82% vs prior year
Operator
Hilcorp Energy Company
County
Winkler County
Field
Keystone (Dev-McKee Cons)
RRC lease
08-020430

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Gas in Jul 2026
12 mcf
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Hilcorp Energy Company took over from XTO Energy Inc. in Apr 2025.

  • Sales

    Sales over the last 3 months fell to 6% of the 9 months before.

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

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Production by month

Gas output fell 82% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 82% over the last 12 monthsMonthly gas production for KEYSTONE SILURIAN UNIT, Aug 2023 to Jul 2026. Gas output fell 82% over the last 12 months. 9,594 mcf in the 12 months through Jul 2026, against 52,863 mcf in the 12 months before.Last 12 months: 9,594 mcfmcf per month02,5005,0007,50010k12.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 82% over the last 12 monthsMonthly gas production for KEYSTONE SILURIAN UNIT, Aug 2023 to Jul 2026. Gas output fell 82% over the last 12 months. 9,594 mcf in the 12 months through Jul 2026, against 52,863 mcf in the 12 months before.Last 12 monthsmcf per month02,5005,0007,50010k12.5kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant

  • Processing plant (3)
  • Transmission line (2)
Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plantShare of KEYSTONE SILURIAN UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2025: plant to lineOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plantShare of KEYSTONE SILURIAN UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant.Share of gas by disposition code0%50%100%Apr 25: plant to lineJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Apr 2025

Operators of this lease over timeXTO Energy Inc., Jan 2020 to Mar 2025; Hilcorp Energy Company, Apr 2025 to Jul 20262020202120222023202420252026Changed Apr 2025XTO Energy Inc.Jan 2020 to Mar 2025Hilcorp Energy CompanyApr 2025 to now
Operators of this lease over timeXTO Energy Inc., Jan 2020 to Mar 2025; Hilcorp Energy Company, Apr 2025 to Jul 20262020202120222023202420252026Changed Apr 2025XTO Energy Inc.Jan 2020 to Mar 2025Hilcorp Energy CompanyApr 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on KEYSTONE SILURIAN UNIT
API numberWell no.Status
42-495-04118117 MShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Shell Trading (Us) CompanyCondensateGathers100Mar 1, 2020–
Energy Transfer CompanyGas-well gasBuys100Nov 1, 2015–
Energy Transfer CompanyGas-well gasGathers100Nov 1, 2015–
Plains Pipeline L.p.CondensateGathers100Feb 1, 2004Mar 1, 2020

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

Who buys my oilOil price check

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 Keystone Silurian Unit
API numberWell no.Acreson the permit
42-495-04118117 M–

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

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36 months, newest first

Ledger for KEYSTONE SILURIAN UNIT
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Hilcorp Energy12120$80.46$2.89
Jun 2026Hilcorp Energy000$84.81$3.15
May 2026Hilcorp Energy1831830$102.13$2.94
Apr 2026Hilcorp Energy9989980$100.32$2.77
Mar 2026Hilcorp Energy1,0341,0340$91.38$3.04
Feb 2026Hilcorp Energy9339330$64.51$3.62
Jan 2026Hilcorp Energy1,0991,0990$60.04$7.72
Dec 2025Hilcorp Energy6396390$57.97$4.26
Nov 2025Hilcorp Energy6396390$60.06$3.79
Oct 2025Hilcorp Energy1,2211,2210$60.89$3.19
Sep 2025Hilcorp Energy1,3101,3100$63.96$2.97
Aug 2025Hilcorp Energy1,5261,5260$64.86$2.91
Jul 2025Hilcorp Energy2,1372,1370$68.39$3.20
Jun 2025Hilcorp Energy4,7864,7860$68.17$3.02
May 2025Hilcorp Energy3,2223,2220$62.17$3.12
Apr 2025Hilcorp Energy1941940$63.54$3.42
Mar 2025XTO Energy000$68.24$4.12
Feb 2025XTO Energy000$71.53$4.19
Jan 2025XTO Energy4,4944,4940$75.74$4.13
Dec 2024XTO Energy6,2646,2640$70.12$3.01
Nov 2024XTO Energy8,4478,4470$69.95$2.12
Oct 2024XTO Energy6,7126,7120$71.99$2.20
Sep 2024XTO Energy7,3437,3430$70.24$2.28
Aug 2024XTO Energy9,2649,2640$76.68$1.99
Jul 2024XTO Energy8,8518,8510$81.80$2.07
Jun 2024XTO Energy6,9456,9450$79.77$2.54
May 2024XTO Energy11,11911,1190$80.02$2.12
Apr 2024XTO Energy11,67611,6760$85.35$1.60
Mar 2024XTO Energy12,32812,3280$81.28$1.49
Feb 2024XTO Energy11,77611,7760$77.25$1.72
Jan 2024XTO Energy11,30011,3000$74.15$3.18
Dec 2023XTO Energy12,16712,1670$71.90$2.52
Nov 2023XTO Energy4,1694,1690$77.69$2.71
Oct 2023XTO Energy1,1841,1840$85.64$2.98
Sep 2023XTO Energy5195190$89.43$2.64
Aug 2023XTO Energy2,9952,9950$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

OperatorHilcorp Energy CompanyFieldKeystone (Dev-McKee Cons)CountyWinkler County

Hilcorp Energy Company in Winkler County

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