Forister-Janysek Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Forister-Janysek Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesApr 2012 - Apr 2025
Total Oil Production1,282,829 BBLs
Total Gas Production1,585,008 MCF
Recent Oil Production7,983 BBLs in Mar 2025
Recent Gas Production7,245 MCF in Mar 2025
Wells on Property4

Our Valuation Estimates for Forister-Janysek Unit

ShaleAssessment

Not Available

MarketMultiple

$1,089,993 **

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

Based on a decimal interest

Forister-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 Forister-Janysek Unit
from Apr 2012 to Apr 2025

Wells on Forister-Janysek Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32311FORISTER-JANYSEK UNIT 1HMARATHON OIL EF LLCProducingKarnes County, TX28.885831-98.003871
42-255-35365FORISTER-JANYSEK UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.899985-98.005329
42-255-35366FORISTER-JANYSEK UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.899990-98.005235
42-255-37621FORISTER-JANYSEK UNIT 4HMARATHON OIL EF LLCProducingKarnes County, TX28.885732-97.999982

Leases included in Forister-Janysek Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10009FORISTER-JANYSEK UNITMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Charlotte UnitKarnes County, TX9,688 BBLs51,800 MCFApr 2025
FertschKarnes County, TX0 BBLs0 MCFApr 2025
Forister 541Karnes County, TX20,952 BBLs31,486 MCFApr 2025
Hysaw-HobsonKarnes County, TX0 BBLs0 MCFDec 2024
L. Pittman- F. Janysek Unit SaKarnes County, TX1,653 BBLs7,878 MCFApr 2025
Labus Pittman UnitKarnes County, TX6,814 BBLs14,402 MCFApr 2025
M.-Moczygemba M.-Jonas C SaKarnes County, TX1,411 BBLs1,499 MCFApr 2025
Martinez HenkeKarnes County, TX1,830 BBLs713 MCFApr 2025
Martinez UnitKarnes County, TX1,518 BBLs689 MCFApr 2025
Maurer BooneKarnes County, TX107 BBLs0 MCFMar 2025
Maurer-McFarland UnitKarnes County, TX10,517 BBLs24,249 MCFApr 2025
Maurer-Swize McFarland SaKarnes County, TX1,897 BBLs3,377 MCFApr 2025
Medina Trial UnitKarnes County, TX2,974 BBLs2,839 MCFApr 2025
Medina-HoffmanKarnes County, TX9,485 BBLs14,901 MCFApr 2025
Medina-JonasKarnes County, TX13,940 BBLs18,577 MCFApr 2025
Mohr-Hons Medina-Hoffman SaKarnes County, TX3,363 BBLs3,509 MCFApr 2025
Mohr-Hons UnitKarnes County, TX10,822 BBLs11,437 MCFApr 2025
Mohr-Moczygemba UnitKarnes County, TX1,004 BBLs565 MCFApr 2025
RzeppaKarnes County, TX20 BBLs0 MCFApr 2025
Swize McFarland UnitKarnes County, TX8,650 BBLs15,354 MCFApr 2025

Frac'ing activity on Forister-Janysek Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32311Forister Janyseck 1H
42-255-35365Forister Janysek 2H
42-255-35366Forister Janysek 3H
42-255-37621Forister-Janysek Unit 4H

Owners of Forister-Janysek Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2024MARATHON OIL EF LLCFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
2024GREEN JAY MINERALS LLCFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
2024LAWTER JACK W & DIANEFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
2024DIANE PETERS LIMITED PARTNERFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
2024PAWELEK ALANFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
2024AMBER HARVEST LLCFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
2024FREEHOLD ROYALTIES USA INCFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
2024EAGLE FORD AUSTIN INTERESTS LPFORISTER-JANYSEK UNIT W#2H-4HMARATHON OIL EF LLC
Displaying 8 of 15 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Forister-Janysek Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10009FORISTER-JANYSEK UNITApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITMar 2025MARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITMar 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITMar 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITMar 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITFeb 2025MARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITFeb 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITFeb 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITFeb 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITJan 2025MARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITJan 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITJan 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITJan 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITDec 2024MARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITDec 2024DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITDec 2024TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-10009FORISTER-JANYSEK UNITDec 2024ENERFIN AGUA DULCE LPMARATHON OIL EF LLC