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 DatesJul 2014 - Nov 2025
Total Oil Production838,617 BBLs
Total Gas Production5,915,177 MCF
Recent Oil Production1,038 BBLs in Oct 2025
Recent Gas Production18,386 MCF in Oct 2025
Wells on Property7

Our Valuation Estimates for Blackjack Unit

ShaleAssessment

$128,528 *

MarketMultiple

$163,165 **

* 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 Jul 2014 to Nov 2025

Wells on Blackjack Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-33502BLACKJACK UNIT E 1HMARATHON OIL EF LLCProducingKarnes County, TX28.815819-97.868632
42-255-33511BLACKJACK UNIT D 6HMARATHON OIL EF LLCProducingKarnes County, TX28.815489-97.868394
42-255-33538BLACKJACK UNIT D 4HMARATHON OIL EF LLCTemp AbandonedKarnes County, TX28.815342-97.868483
42-255-33539BLACKJACK UNIT D 5HMARATHON OIL EF LLCTemp AbandonedKarnes County, TX28.815414-97.868439
42-255-33908BLACKJACK UNIT D 3HMARATHON OIL EF LLCProducingKarnes County, TX28.816005-97.869227
42-255-33909BLACKJACK UNIT D 2HMARATHON OIL EF LLCProducingKarnes County, TX28.815933-97.869271
42-255-33910BLACKJACK UNIT D 1HMARATHON OIL EF LLCProducingKarnes County, TX28.815861-97.869315

Leases included in Blackjack Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10819BLACKJACK UNIT DMARATHON OIL EF LLCKarnes County, TX
02-274533BLACKJACK UNIT E 1HMARATHON OIL EF LLCKarnes County, TX
02-285756BLACKJACK UNIT D 1HMARATHON OIL EF LLCKarnes County, TX
02-285757BLACKJACK UNIT D 2HMARATHON OIL EF LLCKarnes County, TX
02-285879BLACKJACK UNIT D 3HMARATHON OIL EF LLCKarnes County, TX
02-285880BLACKJACK UNIT D 4HMARATHON OIL EF LLCKarnes County, TX
02-285881BLACKJACK UNIT D 5HMARATHON OIL EF LLCKarnes County, TX
02-285882BLACKJACK UNIT D 6HMARATHON 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
Barboza UnitKarnes County, TX7,235 BBLs54,454 MCFNov 2025
Blackjack UnitKarnes County, TX0 BBLs30 MCFNov 2025
Buzzard VIsta AKarnes County, TX829 BBLs14,572 MCFNov 2025
Foster UnitKarnes County, TX4,361 BBLs53,850 MCFNov 2025
Grasshopper ThieleKarnes County, TX7,517 BBLs204,738 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
Kenrubylie AKarnes County, TX747 BBLs3,675 MCFNov 2025
Kenrubylie-Kenedy (Sa) AKarnes County, TX28,449 BBLs231,575 MCFNov 2025
Kosub UnitKarnes County, TX9,964 BBLs75,728 MCFNov 2025
L.B. Hailey UnitKarnes County, TX12,923 BBLs159,594 MCFNov 2025
McAlisterKarnes County, TX8,890 BBLs85,802 MCFNov 2025
Phillippe Gu1Karnes County, TX1,406 BBLs7,791 MCFNov 2025
Ricks Living Trust GuKarnes County, TX632 BBLs5,772 MCFNov 2025
SchulteKarnes County, TX858 BBLs381 MCFNov 2025
Sienkiewicz UnitKarnes County, TX7,508 BBLs15,382 MCFNov 2025
Strmiska Gas Unit 1Karnes County, TX502 BBLs10,679 MCFNov 2025
SyringKarnes County, TX613 BBLs1,292 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
42-255-33502Blackjack E 1H
42-255-33511Blackjack D 6H
42-255-33538Blackjack D 4H
42-255-33539Black Jack D 5H
42-255-33908Blackjack D 3H
42-255-33909Blackjack D 2H
42-255-33910Blackjack D 1H

Owners of Blackjack Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCBLACKJACK UNIT D W#2HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCBLACKJACK UNIT E W#1HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCBLACKJACK UNIT D W#1HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCBLACKJACK UNIT D W#3HMARATHON OIL EF LLC
2025REDING LTDBLACKJACK UNIT E W#1HMARATHON OIL EF LLC
2025ELSOWINY JACKLENE PBLACKJACK UNIT D W#2HMARATHON OIL EF LLC
2025ELSOWINY JACKLENE PBLACKJACK UNIT D W#1HMARATHON OIL EF LLC
2025REDING LTDBLACKJACK UNIT D W#2HMARATHON OIL EF LLC
Displaying 8 of 1036 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
02-274533BLACKJACK UNIT E 1HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-274533BLACKJACK UNIT E 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-274533BLACKJACK UNIT E 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285756BLACKJACK UNIT D 1HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285756BLACKJACK UNIT D 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285756BLACKJACK UNIT D 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285757BLACKJACK UNIT D 2HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285757BLACKJACK UNIT D 2HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285757BLACKJACK UNIT D 2HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285879BLACKJACK UNIT D 3HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285879BLACKJACK UNIT D 3HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285879BLACKJACK UNIT D 3HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285882BLACKJACK UNIT D 6HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285882BLACKJACK UNIT D 6HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285882BLACKJACK UNIT D 6HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-274533BLACKJACK UNIT E 1HOct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-274533BLACKJACK UNIT E 1HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285756BLACKJACK UNIT D 1HOct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285756BLACKJACK UNIT D 1HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285757BLACKJACK UNIT D 2HOct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285757BLACKJACK UNIT D 2HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285879BLACKJACK UNIT D 3HOct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285879BLACKJACK UNIT D 3HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285882BLACKJACK UNIT D 6HOct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285882BLACKJACK UNIT D 6HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY