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Texas oil lease

Producing

COY CITY RANCH A UNIT

Coy City Ranch A Unit is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

10 wells

38,195bbl oil, last 12 months−51% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-09806

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
50,758 mcf
Oil in Jul 2026
5,626 bbl

Production by month

Oil output fell 51% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 51% over the last 12 monthsMonthly oil production and gas for COY CITY RANCH A UNIT, Aug 2023 to Jul 2026. Oil output fell 51% over the last 12 months. 38,195 bbl in the 12 months through Jul 2026, against 77,826 bbl in the 12 months before.Last 12 months: 38,195 bblbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20k12.5k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 51% over the last 12 monthsMonthly oil production and gas for COY CITY RANCH A UNIT, Aug 2023 to Jul 2026. Oil output fell 51% over the last 12 months. 38,195 bbl in the 12 months through Jul 2026, against 77,826 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20k12.5k25kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Nov 2023 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 3.3% of the gas in Oct 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Nov 2023 the lease's gas goes to a processing plant instead of lease fuelShare of COY CITY RANCH A UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.3% of the gas in Oct 2023.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2023: fuel to plantFlared 3.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2023 the lease's gas goes to a processing plant instead of lease fuelShare of COY CITY RANCH A UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.3% of the gas in Oct 2023.Share of gas by disposition code0%50%100%Nov 23: fuel to plantFlared 3.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    80% · 40,844 mcf

  • Lease fuel (1)

    19% · 9,485 mcf

  • Flared (4)

    0.8% · 429 mcf

0.8% of the gas flared in the last 12 months. One month above 3%.

10 wells on this lease

Wells on COY CITY RANCH A UNIT
API numberWell no.Status
42-255-318011HShut-in
42-255-341388HShut-in
42-255-341529HShut-in
42-255-3415310HActive
42-255-362912HActive
42-255-362923HActive
42-255-362934HActive
42-255-362945HActive
42-255-362956HActive
42-255-362967HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers50Jun 1, 2020–
Reynolds Energy Transport LLCOilGathers50Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Aug 23, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100Aug 1, 2012–
Gulfmark Energy, Inc.OilGathers50Jun 1, 2020Jul 1, 2022
Enterprise Crude Oil LLCOilGathers1Sep 6, 2018Jun 1, 2020
Gulfmark Energy, Inc.OilGathers98Sep 6, 2018Jun 1, 2020
Trafigura Trading LLCOilGathers1Sep 6, 2018Jun 1, 2020

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

Who buys my oilOil price check

549.21 acres on the newest permit

  • Good to know

    10 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 Coy City Ranch A Unit
API numberWell no.Acreson the permit
42-255-362912H549.21
42-255-362923H549.21
42-255-362934H549.21
42-255-362945H549.21
42-255-362956H549.21
42-255-362967H549.21
42-255-341388H549.21
42-255-341529H549.21
42-255-3415310H549.21
42-255-318011H549.21

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

Unit decimal checker

What ConocoPhillips told investors it received

Marathon Oil Ef LLC is linked to ConocoPhillips (MRO).
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

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

Estimate your royalty

36 months, newest first

Ledger for COY CITY RANCH A UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20265,6265,5755,9854,62114$80.46$2.89
Jun 20264,0484,0684,2873,39711$84.81$3.15
May 20264,6664,7252,7442,22323$102.13$2.94
Apr 20267,3607,1379,3557,51226$100.32$2.77
Mar 20260313110$91.38$3.04
Feb 2026891371371121$64.51$3.62
Jan 20261,8901,9021761423$60.04$7.72
Dec 20252,2282,2681,9241,55518$57.97$4.26
Nov 20253,5473,5665,7194,68218$60.06$3.79
Oct 20253,6713,6048,5086,96842$60.89$3.19
Sep 20251,5131,5585,1894,156151$63.96$2.97
Aug 20253,5573,5746,7215,465122$64.86$2.91
Jul 20254,3814,40410,8588,636115$68.39$3.20
Jun 20255,0995,0816,5025,15632$68.17$3.02
May 20255,1875,1915,6244,53613$62.17$3.12
Apr 20255,4805,5052,3081,8957$63.54$3.42
Mar 20256,9606,9634,3473,6467$68.24$4.12
Feb 20256,6986,7144,3103,55261$71.53$4.19
Jan 20258,7738,7945,4704,60035$75.74$4.13
Dec 202410,19210,1335,7754,91410$70.12$3.01
Nov 20247,1297,09411,84410,03221$69.95$2.12
Oct 20245,8615,8719458082$71.99$2.20
Sep 20246,5956,5789,4638,17420$70.24$2.28
Aug 20245,4715,4805,0294,31811$76.68$1.99
Jul 20246,3756,3484,8154,15516$81.80$2.07
Jun 20245,9915,9776,7825,9109$79.77$2.54
May 20244,7464,7526,4505,67317$80.02$2.12
Apr 20245,1535,1294,6124,03146$85.35$1.60
Mar 20244,5704,5769,1017,94853$81.28$1.49
Feb 20243,5743,6246,7884,74768$77.25$1.72
Jan 20245,6435,65110,0406,602263$74.15$3.18
Dec 20236,1936,1889,6766,369155$71.90$2.52
Nov 20237,3877,34911,5448,33828$77.69$2.71
Oct 20236,1296,1312,9998699$85.64$2.98
Sep 20236,2566,25010,2937,02713$89.43$2.64
Aug 20236,3606,35014,08510,55482$81.39$2.58

Flared above 3%

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

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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