Carter Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Carter Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesJun 2011 - Jan 2026
Total Oil Production2,302,508 BBLs
Total Gas Production3,701,104 MCF
Recent Oil Production3,553 BBLs in Dec 2025
Recent Gas Production3,672 MCF in Dec 2025
Wells on Property7

Our Valuation Estimates for Carter Unit

ShaleAssessment

$155,943 *

MarketMultiple

$381,819 **

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

Based on a decimal interest

Carter Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Carter Unit
from Jun 2011 to Jan 2026

Wells on Carter Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-31796CARTER UNIT 1HMARATHON OIL EF LLCShut InKarnes County, TX28.874532-97.925714
42-255-32758CARTER UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.885408-97.932083
42-255-33477CARTER UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.885405-97.932006
42-255-33478CARTER UNIT 4HMARATHON OIL EF LLCProducingKarnes County, TX28.885402-97.931928
42-255-33480CARTER UNIT 5HMARATHON OIL EF LLCProducingKarnes County, TX28.885413-97.932158
42-255-36373CARTER UNIT 6HMARATHON OIL EF LLCProducingKarnes County, TX28.883899-97.937815
42-255-36374CARTER UNIT 501HMARATHON OIL EF LLCProducingKarnes County, TX28.883890-97.937715

Leases included in Carter Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-09683CARTER UNITMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Carter-HolmKarnes County, TX5,024 BBLs7,425 MCFJan 2026
Egbert UnitKarnes County, TX6,614 BBLs10,397 MCFJan 2026
Kempe-Laubach Mikkelson-Witte SaKarnes County, TX732 BBLs49 MCFJan 2026
Kempe-Laubach UnitKarnes County, TX4,101 BBLs6,470 MCFJan 2026
McCoy EgbertKarnes County, TX6,651 BBLs11,948 MCFJan 2026
McCoy-Egbert-Carter Unit Sa1Karnes County, TX3,544 BBLs8,376 MCFJan 2026
Mikkelson-WitteKarnes County, TX6,548 BBLs6,421 MCFJan 2026
Rippstein-Gotthardt UnitKarnes County, TX5,206 BBLs4,271 MCFJan 2026
Rippstein-MikkelsonKarnes County, TX5,839 BBLs6,399 MCFJan 2026
Rogers UnitKarnes County, TX885 BBLs740 MCFJan 2026
Rogers-McCoy Egbert SaKarnes County, TX1,591 BBLs713 MCFJan 2026
RSW-Mikkelson-Rogers SaKarnes County, TX509 BBLs244 MCFJan 2026
S.Busselman-R.Mikkelson SaKarnes County, TX1,291 BBLs2,541 MCFJan 2026
Salge UnitKarnes County, TX4,400 BBLs3,202 MCFJan 2026
Salge-Busselman UnitKarnes County, TX3,338 BBLs3,305 MCFJan 2026
Salge-Egbert Miller (Sa)Karnes County, TX746 BBLs872 MCFJan 2026
Salge-Yanta SaKarnes County, TX1,918 BBLs4,803 MCFJan 2026
Spahn-Mikkelson UnitKarnes County, TX2,311 BBLs11,048 MCFJan 2026
Witte-Mikkelson UnitKarnes County, TX0 BBLs0 MCFOct 2025
Yosko Witte UnitKarnes County, TX0 BBLs0 MCFJul 2025

Frac'ing activity on Carter Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32758Carter Unit 2H
42-255-32758Rogers Unit 3H
42-255-33477Carter Unit 3H
42-255-33478Carter Unit 4H
42-255-33480Carters Unit 5H
42-255-36373Carter 6H
42-255-36374Carter 501H

Owners of Carter Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025SPAHN CLIFFORD M & BECKYCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025AMBER HARVEST LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
20254C MINERALS LPCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025HWJ MINERALS LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025FAULKNER KIMBERLY KCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025KARNES 4C ENTERPRISES LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
Displaying 8 of 14 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Carter Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-09683CARTER UNITDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITSep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITSep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITAug 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-09683CARTER UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITAug 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITAug 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITJul 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-09683CARTER UNITJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09683CARTER UNITJul 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09683CARTER UNITJul 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY