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

Map of Wells Full Screen Map 3-D Map

Property Summary

Key data points for Janysek Unit

CountyKarnes County, TX
OperatorDEVON ENERGY PRODUCTION COMPANY, L.P.
Production DatesDec 2011 - Jan 2026
Total Oil Production2,222,341 BBLs
Total Gas Production5,708,941 MCF
Recent Oil Production5,072 BBLs in Dec 2025
Recent Gas Production39,501 MCF in Dec 2025
Wells on Property9

Our Valuation Estimates for Janysek Unit

ShaleAssessment™

$85,442 *

MarketMultiple™

$873,158 **

* 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 Jan 2026

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
Alice May-Barnett EastKarnes County, TX0 BBLs0 MCFFeb 2026
Armstrong UnitKarnes County, TX9,467 BBLs35,087 MCFJan 2026
Barnett East UnitKarnes County, TX0 BBLs0 MCFNov 2025
Barnett UnitKarnes County, TX4,844 BBLs4,021 MCFJan 2026
Beard Unit AKarnes County, TX297 BBLs13,928 MCFJan 2026
Buehring UnitKarnes County, TX3,873 BBLs5,476 MCFJan 2026
Dillon UnitKarnes County, TX652 BBLs747 MCFJan 2026
Duncan UnitKarnes County, TX7,145 BBLs18,186 MCFJan 2026
JendruschKarnes County, TX5,339 BBLs13,405 MCFJan 2026
Junek Unit AKarnes County, TX3,767 BBLs8,372 MCFJan 2026
Kotara Unit AKarnes County, TX14,921 BBLs53,133 MCFJan 2026
Krudwig UnitKarnes County, TX6,775 BBLs27,963 MCFJan 2026
Linhart Dillon Barnett Psa AKarnes County, TX10,464 BBLs14,414 MCFJan 2026
Linhart UnitKarnes County, TX5,374 BBLs13,135 MCFJan 2026
Linhart WilsonKarnes County, TX10,112 BBLs20,616 MCFFeb 2026
Linhartdillonbarnettwilson Psa AKarnes County, TX9,125 BBLs19,037 MCFJan 2026
Patton UnitKarnes County, TX10,340 BBLs18,155 MCFJan 2026
Ruckman A S. Reynolds D UswKarnes County, TX2,078 BBLs20,336 MCFJan 2026
Wilson UnitKarnes County, TX2,460 BBLs3,675 MCFJan 2026
Woolsey Unit AKarnes County, TX1,108 BBLs2,975 MCFJan 2026

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.
Rising Star Energy, L.L.C.
Royal Oil & Gas Corp.
Silver Hill Energy Operating, LLC
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 BARBARA AJANYSEK 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 UNITDec 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITNov 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITNov 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITNov 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITOct 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITOct 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITOct 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITOct 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITSep 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITSep 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITSep 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITAug 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITAug 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITAug 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJul 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJul 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJul 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJun 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJun 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITJun 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITMay 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITMay 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITMay 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITApr 2025FLINT HILLS RESOURCES, LPDEVON ENERGY PRODUCTION COMPANY, L.P.
02-09844JANYSEK UNITApr 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.