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Texas oil lease

Producing

CHALK, G. O.

Chalk, G. O. is an oil lease in Howard County, Texas, operated by Grayrock Energy II, LLC in the Howard Glasscock (Consolidated) field.

37 wells

38,741bbl oil, last 12 months−4% vs prior year
Operator
Grayrock Energy II, LLC
County
Howard County
Field
Howard Glasscock (Consolidated)
RRC lease
08-42240

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Where it sits

This county

Howard CountyHowardMitchellMartinScurryDawsonBordenHoward County
Howard County
Oil in Jul 2026
3,266 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 4% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 4% over the last 12 monthsMonthly oil production for CHALK, G. O., Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 38,741 bbl in the 12 months through Jul 2026, against 40,342 bbl in the 12 months before.Last 12 months: 38,741 bblbbl per month01,0002,0003,0004,0005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 4% over the last 12 monthsMonthly oil production for CHALK, G. O., Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 38,741 bbl in the 12 months through Jul 2026, against 40,342 bbl in the 12 months before.Last 12 monthsbbl per month01,0002,0003,0004,0005,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Jan 2024

Operators of this lease over timeRover Petroleum Operating, LLC, Jan 2020 to Dec 2023; Grayrock Energy II, LLC, Jan 2024 to Jul 20262020202120222023202420252026Changed Jan 2024Rover Petroleum Operating, LLCJan 2020 to Dec 2023Grayrock Energy II, LLCJan 2024 to now
Operators of this lease over timeRover Petroleum Operating, LLC, Jan 2020 to Dec 2023; Grayrock Energy II, LLC, Jan 2024 to Jul 20262020202120222023202420252026Changed Jan 2024Rover Petroleum Operating, LLCJan 2020 to Dec 2023Grayrock Energy II, LLCJan 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

37 wells on this lease

Wells on CHALK, G. O.
API numberWell no.Status
42-227-018814Active
42-227-038566Active
42-227-038817Shut-in
42-227-038828Shut-in
42-227-038839Active
42-227-0388410Shut-in
42-227-0388511WActive
42-227-043901Active
42-227-1095812Active
42-227-1097513WActive
42-227-1097614Shut-in
42-227-3001215Active
42-227-3001316Active
42-227-300601 WActive
42-227-3013219WActive
42-227-3013317Active
42-227-3013618Shut-in
42-227-3015720Active
42-227-3015822Active
42-227-3031423Active
42-227-3033825Active
42-227-3033924Shut-in
42-227-3038126Active
42-227-3530927Active
42-227-3785331CFShut-in
42-227-3789832CFShut-in
42-227-3967333CFShut-in
42-227-3967435CFShut-in
42-227-3967843CFShut-in
42-227-3967944CFActive
42-227-3977741CFActive
42-227-3981246CFActive
42-227-3981348CFActive
42-227-3984536CFShut-in
42-227-3984637CFShut-in
42-227-3986755CFShut-in
42-227-3990356CFActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Transoil Marketing, LLCOilGathers75May 1, 2022–
Bml, Inc. BOilGathers25May 1, 2022–
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017–
Transoil Marketing, LLCOilGathers100Mar 1, 2021May 1, 2022
Hollyfrontier Ref & Mktg LLCOilGathers100Jun 1, 2018Mar 1, 2021

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

Who buys my oilOil price check

160 acres on the newest permit

  • Good to know

    40 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 Chalk, G. O.
API numberWell no.Acreson the permit
42-227-3990356CF160
42-227-3986755CF160
42-227-3984536CF160
42-227-3984637CF160
42-227-3981246CF160
42-227-3981348CF160
42-227-3977741CF160
42-227-3967843CF160
42-227-3967944CF160
42-227-3967333CF160
42-227-3967435CF160
42-227-3789832CF160

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

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36 months, newest first

Ledger for CHALK, G. O.
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Grayrock Energy3,2663,227$80.46$2.89
Jun 2026Grayrock Energy3,0823,278$84.81$3.15
May 2026Grayrock Energy3,4253,225$102.13$2.94
Apr 2026Grayrock Energy3,3573,240$100.32$2.77
Mar 2026Grayrock Energy2,8923,349$91.38$3.04
Feb 2026Grayrock Energy3,0342,755$64.51$3.62
Jan 2026Grayrock Energy3,8534,379$60.04$7.72
Dec 2025Grayrock Energy3,4923,342$57.97$4.26
Nov 2025Grayrock Energy3,3523,222$60.06$3.79
Oct 2025Grayrock Energy3,7113,409$60.89$3.19
Sep 2025Grayrock Energy2,6473,134$63.96$2.97
Aug 2025Grayrock Energy2,6302,008$64.86$2.91
Jul 2025Grayrock Energy2,5842,684$68.39$3.20
Jun 2025Grayrock Energy2,5962,617$68.17$3.02
May 2025Grayrock Energy2,6883,082$62.17$3.12
Apr 2025Grayrock Energy3,1353,256$63.54$3.42
Mar 2025Grayrock Energy3,1743,038$68.24$4.12
Feb 2025Grayrock Energy3,0693,137$71.53$4.19
Jan 2025Grayrock Energy3,3373,090$75.74$4.13
Dec 2024Grayrock Energy3,9933,858$70.12$3.01
Nov 2024Grayrock Energy3,8773,810$69.95$2.12
Oct 2024Grayrock Energy3,7684,189$71.99$2.20
Sep 2024Grayrock Energy4,0903,919$70.24$2.28
Aug 2024Grayrock Energy4,0313,905$76.68$1.99
Jul 2024Grayrock Energy4,0604,183$81.80$2.07
Jun 2024Grayrock Energy4,0303,775$79.77$2.54
May 2024Grayrock Energy4,3054,522$80.02$2.12
Apr 2024Grayrock Energy4,0813,957$85.35$1.60
Mar 2024Grayrock Energy4,6354,898$81.28$1.49
Feb 2024Grayrock Energy4,8284,745$77.25$1.72
Jan 2024Grayrock Energy3,4163,170$74.15$3.18
Dec 2023Rover Petroleum3,6633,749$71.90$2.52
Nov 2023Rover Petroleum3,3923,530$77.69$2.71
Oct 2023Rover Petroleum3,9483,926$85.64$2.98
Sep 2023Rover Petroleum3,5523,450$89.43$2.64
Aug 2023Rover Petroleum3,7183,934$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

OperatorGrayrock Energy II, LLCFieldHoward Glasscock (Consolidated)CountyHoward County

Grayrock Energy II, LLC in Howard County

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Howard Glasscock (Consolidated) field

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