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 - Nov 2025
Total Oil Production1,165,076 BBLs
Total Gas Production5,440,683 MCF
Recent Oil Production0 BBLs in Oct 2025
Recent Gas Production30 MCF in Oct 2025
Wells on Property4

Our Valuation Estimates for Blackjack Unit

ShaleAssessment

$45,918 *

MarketMultiple

$114,938 **

* 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 Nov 2025

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 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, TX1,038 BBLs18,386 MCFNov 2025
ColemanKarnes County, TX3,418 BBLs19,130 MCFNov 2025
Coleman-Gross Usw AKarnes County, TX5,996 BBLs27,607 MCFNov 2025
Crews Quad Ulw BKarnes County, TX19,341 BBLs57,551 MCFNov 2025
Gross Mixon UswKarnes County, TX7,315 BBLs39,046 MCFNov 2025
Gross Unit AKarnes County, TX723 BBLs696 MCFNov 2025
Hemby UnitKarnes County, TX5,994 BBLs45,988 MCFNov 2025
Kenedy Corporation Gas Unit 1Karnes County, TX565 BBLs9,883 MCFNov 2025
Kosub UnitKarnes County, TX9,964 BBLs75,728 MCFNov 2025
McAlisterKarnes County, TX8,890 BBLs85,802 MCFNov 2025
McElveen Unit AKarnes County, TX0 BBLs0 MCFDec 2025
Mixon Unit AKarnes County, TX10,900 BBLs57,894 MCFNov 2025
Pawelek Unit AKarnes County, TX0 BBLs0 MCFMay 2025
SchulteKarnes County, TX858 BBLs381 MCFNov 2025
Sienkiewicz UnitKarnes County, TX7,508 BBLs15,382 MCFNov 2025
Witte Quad Usw BKarnes County, TX13,000 BBLs64,846 MCFNov 2025
Witte, Inc. Unit AKarnes County, TX7,226 BBLs27,493 MCFNov 2025
Witte-Cole-Gross Usw CKarnes County, TX12,022 BBLs58,699 MCFNov 2025
Witte-Gross Usw DKarnes County, TX17,149 BBLs67,626 MCFNov 2025
Young Gas Unit 1Karnes County, TX5,119 BBLs27,096 MCFNov 2025

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