Carter Unit

Oil & Gas Property in Karnes County, TX

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

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Property Summary

Key data points for Carter Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesJun 2011 - Oct 2025
Total Oil Production2,289,889 BBLs
Total Gas Production3,687,036 MCF
Recent Oil Production2,619 BBLs in Sep 2025
Recent Gas Production3,238 MCF in Sep 2025
Wells on Property7

Our Valuation Estimates for Carter Unit

ShaleAssessment™

$162,253 *

MarketMultiple™

$432,447 **

* 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
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Carter Unit
from Jun 2011 to Oct 2025

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, TX5,869 BBLs9,628 MCFOct 2025
Egbert UnitKarnes County, TX5,731 BBLs10,521 MCFOct 2025
Kempe-Laubach UnitKarnes County, TX3,186 BBLs4,314 MCFOct 2025
McCoy EgbertKarnes County, TX9,968 BBLs21,630 MCFOct 2025
McCoy-Egbert-Carter Unit Sa1Karnes County, TX4,353 BBLs10,458 MCFOct 2025
Mikkelson-WitteKarnes County, TX4,325 BBLs8,738 MCFOct 2025
Rippstein-Gotthardt UnitKarnes County, TX6,863 BBLs5,771 MCFOct 2025
Rippstein-MikkelsonKarnes County, TX4,047 BBLs7,978 MCFOct 2025
Rogers UnitKarnes County, TX867 BBLs822 MCFOct 2025
Rogers-McCoy Egbert SaKarnes County, TX2,347 BBLs2,481 MCFOct 2025
S.Busselman-R.Mikkelson SaKarnes County, TX1,149 BBLs1,374 MCFOct 2025
Salge UnitKarnes County, TX1,776 BBLs4,024 MCFOct 2025
Salge-Busselman UnitKarnes County, TX3,297 BBLs4,631 MCFOct 2025
Salge-Egbert Miller (Sa)Karnes County, TX534 BBLs260 MCFOct 2025
Salge-Kinkler-Busselman AlcKarnes County, TX1,485 BBLs5,810 MCFOct 2025
Salge-Yanta SaKarnes County, TX1,339 BBLs2,723 MCFOct 2025
Spahn-Mikkelson UnitKarnes County, TX2,844 BBLs1,517 MCFOct 2025
Witte-Mikkelson UnitKarnes County, TX1,149 BBLs4,153 MCFOct 2025
Y. Witte-K.Laubach PsaKarnes County, TX289 BBLs357 MCFOct 2025
Yosko Witte UnitKarnes County, TX0 BBLs0 MCFAug 2025

Companies in the Area

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

Company Name
1776 Energy Operators, LLC
Blackbrush O & G, LLC
Burlington Resources Oil & Gas Company LP
Caturus Energy, LLC
Devon Energy Production Company, L.P.
Encana Oil & Gas (USA) Inc.
Greenwerks Outdoor Services LLC
Gulftex Energy, LLC
Hilcorp Energy Company
Jaybird Operating, LLC
Magnolia Oil & Gas Operating LLC
Marathon Oil Ef LLC
Murphy Expl. & Prod. Co. - USA
Natural Energy, Inc.
Ovintiv USA Inc.
Paloma Resources, LLC
Plains Exploration & Prod. Co.
Rio-Tex, Inc.
Rollert Co., Inc., The
Tidal Petroleum, Inc.

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
2025KARNES 4C ENTERPRISES LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025FAULKNER KIMBERLY KCARTER 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 UNITApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITApr 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025MARATHON OIL EF LLC
02-09683CARTER UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025MARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025MARATHON OIL EF LLC
02-09683CARTER UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-09683CARTER UNITDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITDec 2024FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC