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Producing

CHALK, OTIS /EO/

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

7 wells

3,684bbl oil, last 12 months+1% vs prior year
RRC lease
08-42211

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Where it sits

This county

Howard CountyHowardMitchellMartinScurryDawsonBordenHoward County
Howard County
Oil in Jul 2026
267 bbl
Reporting since
Jan 2020

Production by month

Oil output held steady over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output held steady over the last 12 monthsMonthly oil production for CHALK, OTIS /EO/, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 3,684 bbl in the 12 months through Jul 2026, against 3,659 bbl in the 12 months before.Last 12 months: 3,684 bblbbl per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production for CHALK, OTIS /EO/, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 3,684 bbl in the 12 months through Jul 2026, against 3,659 bbl in the 12 months before.Last 12 monthsbbl per month0100200300400Jan 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.

7 wells on this lease

Wells on CHALK, OTIS /EO/
API numberWell no.Status
42-227-010704Active
42-227-308905Active
42-227-335476Active
42-227-350427Active
42-227-351598Active
42-227-353221WShut-in
42-227-356579Active

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–
Transoil Marketing, LLCOilGathers100Mar 1, 2021May 1, 2022
Hollyfrontier Ref & Mktg LLCOilGathers100May 1, 2020Mar 1, 2021
Lpc Crude Oil Marketing LLCOilGathers100Mar 1, 2017May 1, 2020

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

50 acres on the newest permit

  • Good to know

    7 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.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Chalk, Otis /Eo/
API numberWell no.Acreson the permit
42-227-33547650
42-227-35657950
42-227-353221W50
42-227-35042750
42-227-35159850
42-227-30890550
42-227-010704–

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for CHALK, OTIS /EO/
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Grayrock Energy267323$80.46$2.89
Jun 2026Grayrock Energy247150$84.81$3.15
May 2026Grayrock Energy318459$102.13$2.94
Apr 2026Grayrock Energy245163$100.32$2.77
Mar 2026Grayrock Energy283321$91.38$3.04
Feb 2026Grayrock Energy314331$64.51$3.62
Jan 2026Grayrock Energy282161$60.04$7.72
Dec 2025Grayrock Energy370506$57.97$4.26
Nov 2025Grayrock Energy331350$60.06$3.79
Oct 2025Grayrock Energy367341$60.89$3.19
Sep 2025Grayrock Energy274327$63.96$2.97
Aug 2025Grayrock Energy386328$64.86$2.91
Jul 2025Grayrock Energy322348$68.39$3.20
Jun 2025Grayrock Energy329340$68.17$3.02
May 2025Grayrock Energy298328$62.17$3.12
Apr 2025Grayrock Energy275159$63.54$3.42
Mar 2025Grayrock Energy311322$68.24$4.12
Feb 2025Grayrock Energy279347$71.53$4.19
Jan 2025Grayrock Energy302341$75.74$4.13
Dec 2024Grayrock Energy322171$70.12$3.01
Nov 2024Grayrock Energy288342$69.95$2.12
Oct 2024Grayrock Energy310342$71.99$2.20
Sep 2024Grayrock Energy297338$70.24$2.28
Aug 2024Grayrock Energy326340$76.68$1.99
Jul 2024Grayrock Energy329342$81.80$2.07
Jun 2024Grayrock Energy319171$79.77$2.54
May 2024Grayrock Energy358338$80.02$2.12
Apr 2024Grayrock Energy322338$85.35$1.60
Mar 2024Grayrock Energy323334$81.28$1.49
Feb 2024Grayrock Energy317366$77.25$1.72
Jan 2024Grayrock Energy313364$74.15$3.18
Dec 2023Rover Petroleum337336$71.90$2.52
Nov 2023Rover Petroleum330335$77.69$2.71
Oct 2023Rover Petroleum347323$85.64$2.98
Sep 2023Rover Petroleum383337$89.43$2.64
Aug 2023Rover Petroleum236160$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

Grayrock Energy II, LLC in Howard County

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Howard Glasscock (Consolidated) field

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Drilling permits within 10 km