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Texas oil lease

Producing

COLLEEN UNIT

Colleen Unit is an oil lease in Karnes County, Texas, operated by Devon Energy Production Co, L.P. in the Eagleville (Eagle Ford-2) field.

4 wells

15,620bbl oil, last 12 months−35% vs prior year
Operator
Devon Energy Production Co, L.P.
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10379

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
3,691 mcf
Oil in Jul 2026
1,372 bbl

Production by month

Oil output fell 35% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 35% over the last 12 monthsMonthly oil production and gas for COLLEEN UNIT, Aug 2023 to Jul 2026. Oil output fell 35% over the last 12 months. 15,620 bbl in the 12 months through Jul 2026, against 24,158 bbl in the 12 months before.Last 12 months: 15,620 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 35% over the last 12 monthsMonthly oil production and gas for COLLEEN UNIT, Aug 2023 to Jul 2026. Oil output fell 35% over the last 12 months. 15,620 bbl in the 12 months through Jul 2026, against 24,158 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 25.0% of the gas in Aug 2023.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Sep 2023 the lease's gas goes to a processing plant instead of lease fuelShare of COLLEEN UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Sep 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 25.0% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Sep 2023: fuel to plantFlared 25.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Sep 2023 the lease's gas goes to a processing plant instead of lease fuelShare of COLLEEN UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Sep 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 25.0% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Sep 23: fuel to plantFlared 25.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    69% · 3,008 mcf

  • Lease fuel (1)

    18% · 780 mcf

  • Transmission line (2)

    11% · 469 mcf

  • Flared (4)

    2.1% · 92 mcf

2.1% of the gas flared in the last 12 months. 14 months above 3%.

Who has run this lease

The operator changed 3 times, most recently in Sep 2022

Operators of this lease over timeEncana Oil & Gas(usa) Inc., Jan 2020 to Jan 2020; Ovintiv USA Inc., Feb 2020 to Apr 2021; Validus NRG Aquilas Assetco LLC, May 2021 to Aug 2022; Devon Energy Production Co, L.P., Sep 2022 to Jul 20262020202120222023202420252026Changed Feb 2020Changed May 2021Changed Sep 2022Encana Oil & Gas(usa) Inc.Jan 2020 to Jan 2020Ovintiv USA Inc.Feb 2020 to Apr 2021Validus NRG Aquilas Assetco L…May 2021 to Aug 2022Devon Energy Production Co, L…Sep 2022 to now
Operators of this lease over timeEncana Oil & Gas(usa) Inc., Jan 2020 to Jan 2020; Ovintiv USA Inc., Feb 2020 to Apr 2021; Validus NRG Aquilas Assetco LLC, May 2021 to Aug 2022; Devon Energy Production Co, L.P., Sep 2022 to Jul 20262020202120222023202420252026Changed Feb 2020Changed May 2021Changed Sep 2022Encana Oil & Gas(usa) Inc.Jan 2020 to Jan 2020Ovintiv USA Inc.Feb 2020 to Apr 2021Validus NRG Aquilas Assetco LLCMay 2021 to Aug 2022Devon Energy Production Co, L.P.Sep 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

4 wells on this lease

Wells on COLLEEN UNIT
API numberWell no.Status
42-255-325852HActive
42-255-325871HActive
42-255-330753HActive
42-255-330794HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers20Apr 1, 2023–
Harvest Marketing & Trading, LLCOilGathers20Apr 1, 2023–
Mv Purchasing, LLCOilGathers20Feb 1, 2025–
Phillips 66 CompanyOilGathers20Apr 1, 2023–
Plains Pipeline L.p.OilGathers10Feb 1, 2025–
Shell Trading (Us) CompanyOilGathers10Apr 1, 2023–
Enterprise Products Operating LLCCasinghead gasBuys100Jun 1, 2020–
Enterprise Products Operating LLCCasinghead gasGathers100Jun 1, 2020–
Ironwood Midst Energy Ptnrs LLCOilGathers10Apr 1, 2023Feb 1, 2025
Mv Purchasing, LLCOilGathers10Apr 1, 2023Feb 1, 2025
Valero Marketing and Supply Co.OilGathers10Apr 1, 2023Feb 1, 2025
Flint Hills Resources, LPOilGathers100Dec 1, 2020Apr 1, 2023
Tartan Oil LLCOilGathers100Jun 1, 2020Dec 1, 2020
Encana Oil & Gas(Usa) Inc.Casinghead gasGathers100Jul 1, 2014Jun 1, 2020

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

Who buys my oilOil price check

363.23 acres on the newest permit

Permits for Colleen Unit
API numberWell no.Acreson the permit
42-255-330753H363.23
42-255-330794H363.23
42-255-325852H363.23
42-255-325871H363.23

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

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What Devon Energy Corporation told investors it received

Devon Energy Production Co, L.P. is linked to Devon Energy Corporation (DVN).
Realized prices reported by Devon Energy Corporation
QuarterOil$ per bblFiling
Q2 2026$95.10SEC filing
Q1 2026$69.66SEC filing
Q4 2025$57.19SEC filing
Q3 2025$63.21SEC filing
Q2 2025$61.70SEC filing
Q1 2025$69.13SEC filing

SourceDevon Energy Corporation quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for COLLEEN UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Devon Energy1,3721,371120726$80.46$2.89
Jun 2026Devon Energy1,2291,23117510010$84.81$3.15
May 2026Devon Energy1,3471,41860540424$102.13$2.94
Apr 2026Devon Energy1,2821,23648337910$100.32$2.77
Mar 2026Devon Energy1,2351,2251,02982617$91.38$3.04
Feb 2026Devon Energy1,1621,1622972383$64.51$3.62
Jan 2026Devon Energy1,2291,2272171693$60.04$7.72
Dec 2025Devon Energy1,3151,3203552865$57.97$4.26
Nov 2025Devon Energy1,2971,302000$60.06$3.79
Oct 2025Devon Energy1,2731,2631631361$60.89$3.19
Sep 2025Devon Energy1,3801,382106811$63.96$2.97
Aug 2025Devon Energy1,4991,5121411401$64.86$2.91
Jul 2025Devon Energy2,2312,21865864611$68.39$3.20
Jun 2025Devon Energy1,4671,46862355910$68.17$3.02
May 2025Devon Energy1,4531,4518707028$62.17$3.12
Apr 2025Devon Energy1,5901,6031,3021,08910$63.54$3.42
Mar 2025Devon Energy2,0342,0511,9841,63231$68.24$4.12
Feb 2025Devon Energy2,2332,2201,12980828$71.53$4.19
Jan 2025Devon Energy2,2102,1902,0911,65328$75.74$4.13
Dec 2024Devon Energy1,6041,60346351$70.12$3.01
Nov 2024Devon Energy1,7051,7071,23384832$69.95$2.12
Oct 2024Devon Energy1,8671,88988622$71.99$2.20
Sep 2024Devon Energy2,9122,911000$70.24$2.28
Aug 2024Devon Energy2,8522,83833220319$76.68$1.99
Jul 2024Devon Energy2,0312,05458736121$81.80$2.07
Jun 2024Devon Energy3,1973,14961236654$79.77$2.54
May 2024Devon Energy1,1781,4232441858$80.02$2.12
Apr 2024Devon Energy2,3132,3412191707$85.35$1.60
Mar 2024Devon Energy2,1542,2531,08479843$81.28$1.49
Feb 2024Devon Energy2,1252,02093462857$77.25$1.72
Jan 2024Devon Energy2,0482,21130519229$74.15$3.18
Dec 2023Devon Energy2,8333,3582,0691,472136$71.90$2.52
Nov 2023Devon Energy2,3732,1752,3471,600135$77.69$2.71
Oct 2023Devon Energy2,5062,2521,7861,28848$85.64$2.98
Sep 2023Devon Energy2,9703,2113,8192,76094$89.43$2.64
Aug 2023Devon Energy3,3853,1861,22813307$81.39$2.58

Flared above 3%

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

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Nearby

This lease belongs to

OperatorDevon Energy Production Co, L.P.FieldEagleville (Eagle Ford-2)CountyKarnes County

Devon Energy Production Co, L.P. in Karnes County

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Eagleville (Eagle Ford-2) field

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