Blackjack Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Blackjack Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesMay 2012 - Jan 2026
Total Oil Production1,169,459 BBLs
Total Gas Production5,455,669 MCF
Recent Oil Production2,775 BBLs in Dec 2025
Recent Gas Production8,710 MCF in Dec 2025
Wells on Property4

Our Valuation Estimates for Blackjack Unit

ShaleAssessment

$44,777 *

MarketMultiple

$147,187 **

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

Based on a decimal interest

Blackjack Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Blackjack Unit
from May 2012 to Jan 2026

Wells on Blackjack Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32255BLACKJACK UNIT A 1HMARATHON OIL EF LLCProducingKarnes County, TX28.837972-97.863350
42-255-32284BLACKJACK UNIT A 2HMARATHON OIL EF LLCProducingKarnes County, TX28.838026-97.863365
42-255-32377BLACKJACK UNIT B 1HMARATHON OIL EF LLCTemp AbandonedKarnes County, TX28.841729-97.875996
42-255-32386BLACKJACK UNIT B 2HMARATHON OIL EF LLCProducingKarnes County, TX28.841618-97.875960

Leases included in Blackjack Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10124BLACKJACK UNIT 'A'MARATHON OIL EF LLCKarnes County, TX
02-10194BLACKJACK UNIT 'B'MARATHON OIL EF LLCKarnes County, TX
02-285877BLACKJACK UNIT B 1HMARATHON OIL EF LLCKarnes County, TX
02-285878BLACKJACK UNIT B 2HMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Blackjack UnitKarnes County, TX842 BBLs5,954 MCFJan 2026
ColemanKarnes County, TX3,637 BBLs16,665 MCFJan 2026
Coleman-Gross Usw AKarnes County, TX4,521 BBLs18,844 MCFJan 2026
Gross Mixon UswKarnes County, TX7,638 BBLs36,914 MCFJan 2026
Gross Unit AKarnes County, TX440 BBLs673 MCFJan 2026
Hemby UnitKarnes County, TX6,803 BBLs52,731 MCFJan 2026
Kenedy Corporation Gas Unit 1Karnes County, TX688 BBLs9,786 MCFJan 2026
Kosub UnitKarnes County, TX9,637 BBLs68,713 MCFJan 2026
McAlisterKarnes County, TX8,892 BBLs73,972 MCFJan 2026
McElveen Unit AKarnes County, TX28,707 BBLs76,097 MCFFeb 2026
Mixon Unit AKarnes County, TX8,968 BBLs43,686 MCFJan 2026
SchulteKarnes County, TX20,406 BBLs77,001 MCFJan 2026
Schulte-Bailey Usw A 1Karnes County, TX31,376 BBLs108,820 MCFFeb 2026
Schulte-McElveen UswKarnes County, TX87,795 BBLs281,057 MCFFeb 2026
Sienkiewicz UnitKarnes County, TX5,917 BBLs14,764 MCFJan 2026
Witte Quad Usw BKarnes County, TX10,304 BBLs55,709 MCFJan 2026
Witte, Inc. Unit AKarnes County, TX5,911 BBLs25,990 MCFJan 2026
Witte-Cole-Gross Usw CKarnes County, TX11,800 BBLs60,181 MCFJan 2026
Witte-Gross Usw DKarnes County, TX9,991 BBLs39,027 MCFJan 2026
Young Gas Unit 1Karnes County, TX5,253 BBLs28,307 MCFJan 2026

Frac'ing activity on Blackjack Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32255Blackjack "A" No. 1H
42-255-32284Blackjack "A" No. 2H
42-255-32377Blackjack "B" No. 1H
42-255-32386Blackjack "B" No. 2H

Owners of Blackjack Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025MCCARROLL STEPHEN PAULBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025BURRIS BYRON MICHAELBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCBLACKJACK UNIT B W#2HMARATHON OIL EF LLC
2025VERDE VERDE LLCBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025DZIUK JUDITH BURRISBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025OXFORD DANNY 2016 TRUSTBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025OXFORD JERRY HOWARDBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
Displaying 8 of 63 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Blackjack Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10124BLACKJACK UNIT 'A'Dec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Nov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Oct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Oct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Sep 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Sep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Sep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HSep 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Aug 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Aug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Aug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HAug 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Jul 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Jul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Jul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY