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Texas oil lease

Producing

JANYSEK UNIT

Janysek 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

53,470bbl oil, last 12 months−28% vs prior year
RRC lease
02-09844

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
429,886 mcf
Oil in Jul 2026
3,807 bbl

Production by month

Oil output fell 28% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for JANYSEK UNIT, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 53,470 bbl in the 12 months through Jul 2026, against 74,355 bbl in the 12 months before.Last 12 months: 53,470 bblbbl per monthmcf per month0010k20k20k40k30k60k40k80kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for JANYSEK UNIT, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 53,470 bbl in the 12 months through Jul 2026, against 74,355 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k20k20k40k30k60k40k80kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

74% of the gas went to a processing plant in the last 12 months

Flaring peaked at 3.6% of the gas in Feb 2025.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
74% of the gas went to a processing plant in the last 12 monthsShare of JANYSEK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 74% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.6% of the gas in Feb 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
74% of the gas went to a processing plant in the last 12 monthsShare of JANYSEK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 74% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.6% of the gas in Feb 2025.Share of gas by disposition code0%50%100%Flared 3.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    74% · 316,390 mcf

  • Lease fuel (1)

    25% · 109,245 mcf

  • Flared (4)

    1.0% · 4,251 mcf

1.0% of the gas flared in the last 12 months. 2 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 JANYSEK UNIT
API numberWell no.Status
42-255-319651HActive
42-255-319662HActive
42-255-332783HShut-in
42-255-343725HActive
42-255-343784HShut-in
42-255-374786HActive
42-255-374797HActive
42-255-374808HActive
42-255-374819HActive

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, LPOilGathers100Jul 1, 2021Apr 1, 2023
Eastex Crude CompanyOilGathers25Dec 1, 2020Jul 1, 2021
Valero Marketing and Supply Co.OilGathers75Dec 1, 2020Jul 1, 2021

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

248.25 acres on the newest permit

  • 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 Janysek Unit
API numberWell no.Acreson the permit
42-255-374786H248.25
42-255-374797H248.25
42-255-374808H248.25
42-255-374819H248.25
42-255-343725H248.25
42-255-343784H248.25
42-255-332783H248.25
42-255-319651H248.25
42-255-319662H248.25

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

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 JANYSEK UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Devon Energy3,8073,80032,49623,183984$80.46$2.89
Jun 2026Devon Energy3,3443,35330,63422,124504$84.81$3.15
May 2026Devon Energy3,9663,97430,21121,133483$102.13$2.94
Apr 2026Devon Energy4,1134,10729,99421,994126$100.32$2.77
Mar 2026Devon Energy4,3784,36932,81923,678200$91.38$3.04
Feb 2026Devon Energy4,1304,15126,93719,361245$64.51$3.62
Jan 2026Devon Energy4,5564,55536,66326,709304$60.04$7.72
Dec 2025Devon Energy4,6834,65937,13028,262142$57.97$4.26
Nov 2025Devon Energy4,6594,71338,07229,192221$60.06$3.79
Oct 2025Devon Energy4,9174,86341,35231,442185$60.89$3.19
Sep 2025Devon Energy5,1355,14043,58932,926243$63.96$2.97
Aug 2025Devon Energy5,7825,77849,98936,386614$64.86$2.91
Jul 2025Devon Energy6,7016,71853,51240,471552$68.39$3.20
Jun 2025Devon Energy7,0257,05150,78338,274271$68.17$3.02
May 2025Devon Energy8,8228,80557,99345,212182$62.17$3.12
Apr 2025Devon Energy7,6887,53634,48025,964200$63.54$3.42
Mar 2025Devon Energy0188000$68.24$4.12
Feb 2025Devon Energy7,3237,25223,15315,796831$71.53$4.19
Jan 2025Devon Energy7,1377,13040,35830,326853$75.74$4.13
Dec 2024Devon Energy7,6617,65442,31032,841529$70.12$3.01
Nov 2024Devon Energy7,6487,63347,33837,317689$69.95$2.12
Oct 2024Devon Energy8,0317,94944,78736,436575$71.99$2.20
Sep 2024Devon Energy71475145,36837,739818$70.24$2.28
Aug 2024Devon Energy5,6055,59359,83452,3891,028$76.68$1.99
Jul 2024Devon Energy5,5605,69773,21866,520455$81.80$2.07
Jun 2024Devon Energy8,8478,8528,3034,836146$79.77$2.54
May 2024Devon Energy4,7644,7182,5431,39274$80.02$2.12
Apr 2024Devon Energy9,4179,40028,29319,345552$85.35$1.60
Mar 2024Devon Energy10,08710,09130,81321,762478$81.28$1.49
Feb 2024Devon Energy9,5889,60338,83126,973634$77.25$1.72
Jan 2024Devon Energy10,48810,48147,88734,100654$74.15$3.18
Dec 2023Devon Energy11,72311,70664,02948,644725$71.90$2.52
Nov 2023Devon Energy13,02113,04561,15547,608651$77.69$2.71
Oct 2023Devon Energy16,99016,98970,70355,1591,071$85.64$2.98
Sep 2023Devon Energy17,15417,20673,13760,115858$89.43$2.64
Aug 2023Devon Energy25,33025,31178,10964,1611,578$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

Eagleville (Eagle Ford-2) field

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