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Texas oil lease

Producing

MONSON UNIT

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

9 wells

4,678bbl oil, last 12 months−49% vs prior year
Operator
Devon Energy Production Co, L.P.
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-09924

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
13,525 mcf
Oil in Jul 2026
345 bbl

Production by month

Oil output fell 49% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 49% over the last 12 monthsMonthly oil production and gas for MONSON UNIT, Aug 2023 to Jul 2026. Oil output fell 49% over the last 12 months. 4,678 bbl in the 12 months through Jul 2026, against 9,177 bbl in the 12 months before.Last 12 months: 4,678 bblbbl per monthmcf per month005005,0001,00010k1,50015k2,00020kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 49% over the last 12 monthsMonthly oil production and gas for MONSON UNIT, Aug 2023 to Jul 2026. Oil output fell 49% over the last 12 months. 4,678 bbl in the 12 months through Jul 2026, against 9,177 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005,0001,00010k1,50015k2,00020kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

81% of the gas went to a processing plant in the last 12 months

Flaring peaked at 4.3% of the gas in Jan 2024.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
81% of the gas went to a processing plant in the last 12 monthsShare of MONSON UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.3% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
81% of the gas went to a processing plant in the last 12 monthsShare of MONSON UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.3% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Flared 4.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    81% · 10,989 mcf

  • Lease fuel (1)

    17% · 2,320 mcf

  • Transmission line (2)

    1.5% · 203 mcf

  • Flared (4)

    0.1% · 13 mcf

0.1% of the gas flared in the last 12 months. 3 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.

9 wells on this lease

Wells on MONSON UNIT
API numberWell no.Status
42-255-320311HActive
42-255-320322HActive
42-255-328693HActive
42-255-343474HActive
42-255-343495HActive
42-255-343776HActive
42-255-343837HShut-in
42-255-347178HShut-in
42-255-347189HActive

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, LPOilGathers100Jun 1, 2020Apr 1, 2023
Encana Oil & Gas(Usa) Inc.Casinghead gasGathers100Jul 1, 2014Jun 1, 2020
Encana Oil & Gas(Usa) Inc.Casinghead gasBuys100Jul 1, 2014Jun 1, 2020

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

Who buys my oilOil price check

233.44 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 231.67 and 233.44 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    9 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 Monson Unit
API numberWell no.Acreson the permit
42-255-347178H233.44
42-255-347189H233.44
42-255-343776H231.67
42-255-343837H231.67
42-255-343495H231.67
42-255-343474H231.67
42-255-328693H231.67
42-255-320322H231.67
42-255-320311H231.67

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

Unit decimal checker

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 MONSON UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Devon Energy3453446365200$80.46$2.89
Jun 2026Devon Energy3163223482790$84.81$3.15
May 2026Devon Energy4824788146680$102.13$2.94
Apr 2026Devon Energy3403428026641$100.32$2.77
Mar 2026Devon Energy4664618406980$91.38$3.04
Feb 2026Devon Energy3123111,4741,2011$64.51$3.62
Jan 2026Devon Energy2302278226582$60.04$7.72
Dec 2025Devon Energy1531571,2059920$57.97$4.26
Nov 2025Devon Energy2712701,1599562$60.06$3.79
Oct 2025Devon Energy2402421,0898932$60.89$3.19
Sep 2025Devon Energy4204261,6211,3632$63.96$2.97
Aug 2025Devon Energy1,1031,0982,7152,3003$64.86$2.91
Jul 2025Devon Energy9229291,3651,1494$68.39$3.20
Jun 2025Devon Energy1,6631,6602,2971,9243$68.17$3.02
May 2025Devon Energy1,4861,4812,9622,5095$62.17$3.12
Apr 2025Devon Energy9349388597361$63.54$3.42
Mar 2025Devon Energy1,4741,4761,5861,3630$68.24$4.12
Feb 2025Devon Energy1,4971,4883,9433,4650$71.53$4.19
Jan 2025Devon Energy6396381,2921,1460$75.74$4.13
Dec 2024Devon Energy3423401,1611,0470$70.12$3.01
Nov 2024Devon Energy1161162,3612,1431$69.95$2.12
Oct 2024Devon Energy61612,0511,8893$71.99$2.20
Sep 2024Devon Energy21211,4731,3638$70.24$2.28
Aug 2024Devon Energy22221,2561,1068$76.68$1.99
Jul 2024Devon Energy01000$81.80$2.07
Jun 2024Devon Energy991008396932$79.77$2.54
May 2024Devon Energy1531551,8251,5296$80.02$2.12
Apr 2024Devon Energy5255241,6611,4014$85.35$1.60
Mar 2024Devon Energy49249313,05711,43735$81.28$1.49
Feb 2024Devon Energy52952510,3849,156115$77.25$1.72
Jan 2024Devon Energy13614986759737$74.15$3.18
Dec 2023Devon Energy3213092,2081,49190$71.90$2.52
Nov 2023Devon Energy45443,9972,762131$77.69$2.71
Oct 2023Devon Energy004,5503,44664$85.64$2.98
Sep 2023Devon Energy004,3103,35774$89.43$2.64
Aug 2023Devon Energy552,4801,96959$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

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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