Janysek Unit

Oil & Gas Property in Karnes County, TX

  2. Texas
  3. Karnes County, TX
  4. Oil & Gas Properties in Karnes County, TX
  5. Janysek Unit Oil & Gas Property

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Property Summary

Key data points for Janysek Unit

CountyKarnes County, TX
OperatorDEVON ENERGY PRODUCTION COMPANY, L.P.
Production DatesDec 2011 - Oct 2025
Total Oil Production2,207,258 BBLs
Total Gas Production5,590,585 MCF
Recent Oil Production5,158 BBLs in Sep 2025
Recent Gas Production45,588 MCF in Sep 2025
Wells on Property9

Our Valuation Estimates for Janysek Unit

ShaleAssessment™

$89,504 *

MarketMultiple™

$867,440 **

* Assessment based on future expected revenue
** Based on a 36 month multiple of average monthly estimated revenue

Based on a decimal interest

Janysek Unit Production Graph

Aggregated production of all wells and leases associated with this property
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Janysek Unit
from Dec 2011 to Oct 2025

Wells on Janysek Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-31965JANYSEK UNIT 1HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX28.921462-97.852282
42-255-31966JANYSEK UNIT 2HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX28.921398-97.852221
42-255-33278JANYSEK UNIT 3HDEVON ENERGY PRODUCTION CO, L.P.Shut InKarnes County, TX28.920828-97.852937
42-255-34372JANYSEK UNIT 5HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX28.913356-97.836830
42-255-34378JANYSEK UNIT 4HDEVON ENERGY PRODUCTION CO, L.P.Shut InKarnes County, TX28.908843-97.841500
42-255-37478JANYSEK UNIT 6HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX28.920485-97.852231
42-255-37479JANYSEK UNIT 7HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX28.920521-97.852185
42-255-37480JANYSEK UNIT 8HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX28.920558-97.852139
42-255-37481JANYSEK UNIT 9HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX28.920595-97.852092

Leases included in Janysek Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-09844JANYSEK UNITDEVON ENERGY PRODUCTION CO, L.P.Karnes County, TX

Nearby Properties

These are the closest 20 properties to the Janysek Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Armstrong UnitKarnes County, TX3,798 BBLs20,147 MCFSep 2025
Barnett East UnitKarnes County, TX4,162 BBLs1,214 MCFOct 2025
Barnett UnitKarnes County, TX3,140 BBLs2,032 MCFOct 2025
Bellah Patton Wilson PsaKarnes County, TX9,072 BBLs13,221 MCFOct 2025
Buehring UnitKarnes County, TX5,267 BBLs7,957 MCFOct 2025
Dillon UnitKarnes County, TX3,033 BBLs2,356 MCFOct 2025
Duncan UnitKarnes County, TX7,281 BBLs20,263 MCFOct 2025
JendruschKarnes County, TX6,249 BBLs15,809 MCFOct 2025
Junek Unit AKarnes County, TX2,762 BBLs7,865 MCFOct 2025
Kotara Unit AKarnes County, TX4,448 BBLs17,774 MCFOct 2025
Krudwig UnitKarnes County, TX7,238 BBLs28,973 MCFOct 2025
Linhart UnitKarnes County, TX8,446 BBLs21,997 MCFOct 2025
Moy UnitKarnes County, TX3,095 BBLs5,275 MCFSep 2025
Patton UnitKarnes County, TX18,650 BBLs29,211 MCFOct 2025
PDR UnitKarnes County, TX1,018 BBLs3,346 MCFOct 2025
Roos UnitKarnes County, TX3,384 BBLs5,822 MCFOct 2025
Ruckman A S. Reynolds D UswKarnes County, TX10,554 BBLs26,476 MCFOct 2025
S Reynolds-Colin B UswKarnes County, TX14,905 BBLs42,823 MCFOct 2025
Wilson UnitKarnes County, TX2,768 BBLs14,904 MCFOct 2025
Woolsey Unit AKarnes County, TX547 BBLs1,827 MCFOct 2025

Companies in the Area

These are the closest 20 companies operating near the Janysek Unit property.

Company Name
1776 Energy Operators, LLC
Bass Enterprises Production Co
BPX Operating Company
Burlington Resources Oil & Gas Company LP
Devon Energy Production Company, L.P.
Encana Oil & Gas (USA) Inc.
EOG Resources Inc
Gulftex Energy, LLC
Leonard, J. A.
Magnolia Oil & Gas Operating LLC
Marathon Oil Ef LLC
Murphy Expl. & Prod. Co. - USA
Pioneer Natural Res. USA, Inc.
Plains Exploration & Prod. Co.
Property Development Group, Inc.
Repsol Oil & Gas USA, LLC
Rising Star Energy, L.L.C.
Royal Oil & Gas Corp.
Texstar North America, Inc.
Tidal Petroleum, Inc.

Frac'ing activity on Janysek Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-31965Janysek 1H
42-255-31966Janysek 2H
42-255-33278Janysek 3H
42-255-34372Janysek 5H
42-255-34378Janysek 4H
42-255-37478JANYSEK UNIT 6H
42-255-37479JANYSEK UNIT 7H
42-255-37480JANYSEK UNIT 8H
42-255-37481JANYSEK UNIT 9H

Owners of Janysek Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025DEVON ENERGY PROD CO LP-WIJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
2025PATTON WILLIAM B JRJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
2025DEVON ENERGY PROD CO LP-RI/ORJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
2025JANYSEK FAMILY MINERAL TRUSTJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
20252015 JANYSEK FAMILY MINERAL TRJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
2025FYC LTDJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
20252012 FERGUSON FAMILY PROPJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
2025NORRIS SCOTT DAVIDJANYSEK UNIT W#1H,3H,5H-6HDEVON ENERGY PROD CO
Displaying 8 of 17 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Janysek Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-09844JANYSEK UNITApr 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITMar 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITFeb 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITFeb 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITFeb 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJan 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJan 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJan 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITDec 2024FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITDec 2024DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITDec 2024DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITNov 2024FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITNov 2024DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITNov 2024DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITOct 2024FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITOct 2024DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITOct 2024DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITSep 2024FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITSep 2024DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITSep 2024DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITAug 2024FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITAug 2024DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITAug 2024DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJul 2024FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJul 2024DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.