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Texas oil lease

Producing

MARTHA

Martha is an oil lease in Upton County, Texas, operated by Cog Operating LLC in the Spraberry (Trend Area) field.

5 wells

1,508bbl oil, last 12 months−36% vs prior year
Operator
Cog Operating LLC
County
Upton County
Field
Spraberry (Trend Area)
RRC lease
7C-15636

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
5,138 mcf
Oil in Jul 2026
2 bbl

Production by month

Oil output fell 36% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for MARTHA, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 1,508 bbl in the 12 months through Jul 2026, against 2,340 bbl in the 12 months before.Last 12 months: 1,508 bblbbl per monthmcf per month00502001004001506002008002501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for MARTHA, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 1,508 bbl in the 12 months through Jul 2026, against 2,340 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00502001004001506002008002501,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since May 2026 the lease's gas goes to lease fuel instead of a processing plant

  • Processing plant (3)
  • Lease fuel (1)
Since May 2026 the lease's gas goes to lease fuel instead of a processing plantShare of MARTHA gas by disposition code each month, Aug 2023 to Jul 2026. Since May 2026 the lease's gas goes to lease fuel instead of a processing plant.Share of the lease’s gas by disposition code, per month0%50%100%May 2026: plant to fuelOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since May 2026 the lease's gas goes to lease fuel instead of a processing plantShare of MARTHA gas by disposition code each month, Aug 2023 to Jul 2026. Since May 2026 the lease's gas goes to lease fuel instead of a processing plant.Share of gas by disposition code0%50%100%May 26: plant to fuelJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 5,744 mcf

  • Lease fuel (1)

    13% · 835 mcf

5 wells on this lease

Wells on MARTHA
API numberWell no.Status
42-461-345972Shut-in
42-461-345981Active
42-461-347543Active
42-461-366504Shut-in
42-461-396756Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enlink Crude Marketing, LLCOilGathers100Nov 1, 2016
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Nov 1, 2015
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Oct 1, 2015

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

Who buys my oilOil price check

322.20 acres on the newest permit

The wells on this lease state different acreage

The permits state between 322.2 and 644.3 acres.

Permits for Martha
API numberWell no.Acreson the permit
42-461-396756322.20
42-461-366504322.40
42-461-347543322.30
42-461-345972644.30
42-461-345981644.30

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

Unit decimal checker

What ConocoPhillips told investors it received

Cog Operating LLC is linked to ConocoPhillips (COP).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing
Q3 2024$76.77SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for MARTHA
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202620000$80.46$2.89
Jun 202670000$84.81$3.15
May 2026107100$102.13$2.94
Apr 20261261812661970$100.32$2.77
Mar 20261641856605890$91.38$3.04
Feb 20261952264664040$64.51$3.62
Jan 202613703622910$60.04$7.72
Dec 20251801935584870$57.97$4.26
Nov 20251522196185490$60.06$3.79
Oct 20251821856896180$60.89$3.19
Sep 20251832267026330$63.96$2.97
Aug 20251792547466750$64.86$2.91
Jul 202519907376660$68.39$3.20
Jun 20251862187046350$68.17$3.02
May 20251971887226510$62.17$3.12
Apr 20252222107026330$63.54$3.42
Mar 20251992107246530$68.24$4.12
Feb 20251602116015370$71.53$4.19
Jan 20252081976405690$75.74$4.13
Dec 20242493517086370$70.12$3.01
Nov 20241911697246550$69.95$2.12
Oct 20241631776936220$71.99$2.20
Sep 20242171767456760$70.24$2.28
Aug 20241491917416700$76.68$1.99
Jul 202417307446730$81.80$2.07
Jun 20241561637016320$79.77$2.54
May 2024142167000$80.02$2.12
Apr 20242011757196500$85.35$1.60
Mar 20242021907566850$81.28$1.49
Feb 20242044027016340$77.25$1.72
Jan 20242301977456740$74.15$3.18
Dec 20232111967276560$71.90$2.52
Nov 20232171977236540$77.69$2.71
Oct 20232121777947230$85.64$2.98
Sep 20232031918177480$89.43$2.64
Aug 20231931758187470$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorCog Operating LLCFieldSpraberry (Trend Area)CountyUpton County

Cog Operating LLC in Upton County

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Spraberry (Trend Area) field

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