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Producing

KEYSTONE SILURIAN UNIT

Keystone Silurian Unit is an oil lease in Winkler County, Texas, operated by Hilcorp Energy Company in the Keystone (Dev-McKee Cons) field.

26 wells

8,694bbl oil, last 12 months+133% vs prior year
Operator
Hilcorp Energy Company
County
Winkler County
Field
Keystone (Dev-McKee Cons)
RRC lease
08-51896

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Oil in Jul 2026
1,542 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

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

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

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Production by month

Oil output rose 133% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 133% over the last 12 monthsMonthly oil production and gas for KEYSTONE SILURIAN UNIT, Aug 2023 to Jul 2026. Oil output rose 133% over the last 12 months. 8,694 bbl in the 12 months through Jul 2026, against 3,724 bbl in the 12 months before.Last 12 months: 8,694 bblbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 133% over the last 12 monthsMonthly oil production and gas for KEYSTONE SILURIAN UNIT, Aug 2023 to Jul 2026. Oil output rose 133% over the last 12 months. 8,694 bbl in the 12 months through Jul 2026, against 3,724 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of KEYSTONE SILURIAN UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of KEYSTONE SILURIAN UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant 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.

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.

26 wells on this lease

Wells on KEYSTONE SILURIAN UNIT
API numberWell no.Status
42-495-0114815Active
42-495-0115020Active
42-495-0116352Active
42-495-0118953Active
42-495-0124245Active
42-495-0125951Active
42-495-0126923Shut-in
42-495-0127017Active
42-495-0127234Shut-in
42-495-012806WShut-in
42-495-0128122Shut-in
42-495-0129139Shut-in
42-495-0130121WShut-in
42-495-0225642Active
42-495-0226641WShut-in
42-495-0226843Shut-in
42-495-0227344Active
42-495-0412230Active
42-495-0412631Active
42-495-0412837Shut-in
42-495-0413135Shut-in
42-495-1015427Shut-in
42-495-1016926Shut-in
42-495-1017019WShut-in
42-495-1089613Active
42-495-3004528WShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Shell Trading (Us) CompanyOilGathers100Mar 1, 2020–
Energy Transfer CompanyCasinghead gasBuys100Mar 1, 2019–
Energy Transfer CompanyCasinghead gasGathers100Mar 1, 2019–
Enterprise Crude Oil LLCOilGathers100Nov 1, 2019Mar 1, 2020
Plains Marketing, L.p.OilGathers100Mar 1, 2019Nov 1, 2019

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

Who buys my oilOil price check

240 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 240 and 3,004 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    27 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Keystone Silurian Unit
API numberWell no.Acreson the permit
42-495-0412230240
42-495-01150203,004
42-495-0114815–
42-495-0116352–
42-495-0118953–
42-495-0124245–
42-495-0125951–
42-495-0126923–
42-495-0127017–
42-495-0127234–
42-495-012806W–
42-495-0128122–

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for KEYSTONE SILURIAN UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Hilcorp Energy1,5421,541000$80.46$2.89
Jun 2026Hilcorp Energy1,7771,732000$84.81$3.15
May 2026Hilcorp Energy1,8251,881000$102.13$2.94
Apr 2026Hilcorp Energy1,3481,539000$100.32$2.77
Mar 2026Hilcorp Energy442346000$91.38$3.04
Feb 2026Hilcorp Energy258126000$64.51$3.62
Jan 2026Hilcorp Energy251322000$60.04$7.72
Dec 2025Hilcorp Energy229168000$57.97$4.26
Nov 2025Hilcorp Energy195149000$60.06$3.79
Oct 2025Hilcorp Energy181166000$60.89$3.19
Sep 2025Hilcorp Energy270335000$63.96$2.97
Aug 2025Hilcorp Energy376337000$64.86$2.91
Jul 2025Hilcorp Energy349172000$68.39$3.20
Jun 2025Hilcorp Energy9941,103000$68.17$3.02
May 2025Hilcorp Energy443513000$62.17$3.12
Apr 2025Hilcorp Energy00000$63.54$3.42
Mar 2025XTO Energy00000$68.24$4.12
Feb 2025XTO Energy00000$71.53$4.19
Jan 2025XTO Energy00000$75.74$4.13
Dec 2024XTO Energy00000$70.12$3.01
Nov 2024XTO Energy00110$69.95$2.12
Oct 2024XTO Energy891711591590$71.99$2.20
Sep 2024XTO Energy7706831,0361,0360$70.24$2.28
Aug 2024XTO Energy1,0791,1981,4981,4980$76.68$1.99
Jul 2024XTO Energy1,2971,1901,2691,2690$81.80$2.07
Jun 2024XTO Energy9659789779770$79.77$2.54
May 2024XTO Energy1,2891,3081,1191,1190$80.02$2.12
Apr 2024XTO Energy1,3571,3101,0491,0490$85.35$1.60
Mar 2024XTO Energy1,4051,5959279270$81.28$1.49
Feb 2024XTO Energy5973204154150$77.25$1.72
Jan 2024XTO Energy2736762312310$74.15$3.18
Dec 2023XTO Energy1,2981,1141501500$71.90$2.52
Nov 2023XTO Energy72859476760$77.69$2.71
Oct 2023XTO Energy35151339390$85.64$2.98
Sep 2023XTO Energy2261681161160$89.43$2.64
Aug 2023XTO Energy1,0381,0019779770$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

OperatorHilcorp Energy CompanyFieldKeystone (Dev-McKee Cons)CountyWinkler County

Hilcorp Energy Company in Winkler County

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Keystone (Dev-McKee Cons) field

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