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UNOCAL-MARCUM

Unocal-Marcum is an oil lease in Hockley County, Texas, operated by Rogers, S. K. Oil, Inc. in the Clauene, North (Clear Fork) field.

1 well

695bbl oil, last 12 months−23% vs prior year
Operator
Rogers, S. K. Oil, Inc.
County
Hockley County
Field
Clauene, North (Clear Fork)
RRC lease
8A-15434

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Where it sits

This county

Hockley CountyHockleyHaleCochranLambLubbockBaileyHockley County
Hockley County
Gas, last 12 months
120 mcf
Oil in Jul 2026
111 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Rogers, S. K. Oil, Inc. took over from Bullin, R. E. Operating Inc. in Nov 2025.

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

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Production by month

Oil output fell 23% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 23% over the last 12 monthsMonthly oil production and gas for UNOCAL-MARCUM, Aug 2023 to Jul 2026. Oil output fell 23% over the last 12 months. 695 bbl in the 12 months through Jul 2026, against 905 bbl in the 12 months before.Last 12 months: 695 bblbbl per monthmcf per month005010100201503020040Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 23% over the last 12 monthsMonthly oil production and gas for UNOCAL-MARCUM, Aug 2023 to Jul 2026. Oil output fell 23% over the last 12 months. 695 bbl in the 12 months through Jul 2026, against 905 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005010100201503020040Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to lease fuel in the last 12 months

All of the gas went to lease fuel in the last 12 monthsShare of UNOCAL-MARCUM gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel 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 lease fuel in the last 12 monthsShare of UNOCAL-MARCUM gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel 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 Nov 2025

Operators of this lease over timeBullin, R. E. Operating Inc., Jan 2020 to Oct 2025; Rogers, S. K. Oil, Inc., Nov 2025 to Jul 20262020202120222023202420252026Changed Nov 2025Bullin, R. E. Operating Inc.Jan 2020 to Oct 2025Rogers, S. K. Oil, Inc.Nov 2025 to now
Operators of this lease over timeBullin, R. E. Operating Inc., Jan 2020 to Oct 2025; Rogers, S. K. Oil, Inc., Nov 2025 to Jul 20262020202120222023202420252026Changed Nov 2025Bullin, R. E. Operating Inc.Jan 2020 to Oct 2025Rogers, S. K. Oil, Inc.Nov 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on UNOCAL-MARCUM
API numberWell no.Status
42-219-015581Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Sentinel Transportation, LLCOilGathers100Jan 1, 2004

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 Unocal-Marcum
API numberWell no.Acreson the permit
42-219-015581–

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

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36 months, newest first

Ledger for UNOCAL-MARCUM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Rogers, S.1110000$80.46$2.89
Jun 2026Rogers, S.103167000$84.81$3.15
May 2026Rogers, S.115331000$102.13$2.94
Apr 2026Rogers, S.690000$100.32$2.77
Mar 2026Rogers, S.500000$91.38$3.04
Feb 2026Rogers, S.1170000$64.51$3.62
Jan 2026Rogers, S.1160000$60.04$7.72
Dec 2025Rogers, S.100000$57.97$4.26
Nov 2025Rogers, S.103000$60.06$3.79
Oct 2025Bullin, R.103000$60.89$3.19
Sep 2025Bullin, R.103000$63.96$2.97
Aug 2025Bullin, R.103000$64.86$2.91
Jul 2025Bullin, R.103000$68.39$3.20
Jun 2025Bullin, R.11763000$68.17$3.02
May 2025Bullin, R.1203000$62.17$3.12
Apr 2025Bullin, R.12603000$63.54$3.42
Mar 2025Bullin, R.821773000$68.24$4.12
Feb 2025Bullin, R.8603000$71.53$4.19
Jan 2025Bullin, R.761633000$75.74$4.13
Dec 2024Bullin, R.12403000$70.12$3.01
Nov 2024Bullin, R.831593000$69.95$2.12
Oct 2024Bullin, R.701713000$71.99$2.20
Sep 2024Bullin, R.13203000$70.24$2.28
Aug 2024Bullin, R.1121713000$76.68$1.99
Jul 2024Bullin, R.3403000$81.80$2.07
Jun 2024Bullin, R.741643000$79.77$2.54
May 2024Bullin, R.13803000$80.02$2.12
Apr 2024Bullin, R.961643000$85.35$1.60
Mar 2024Bullin, R.7303000$81.28$1.49
Feb 2024Bullin, R.911703000$77.25$1.72
Jan 2024Bullin, R.791493000$74.15$3.18
Dec 2023Bullin, R.14303000$71.90$2.52
Nov 2023Bullin, R.1603313000$77.69$2.71
Oct 2023Bullin, R.4203000$85.64$2.98
Sep 2023Bullin, R.6703000$89.43$2.64
Aug 2023Bullin, R.1271743000$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

OperatorRogers, S. K. Oil, Inc.FieldClauene, North (Clear Fork)CountyHockley County

Rogers, S. K. Oil, Inc. in Hockley County

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