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 - Jan 2026
Total Oil Production840,035 BBLs
Total Gas Production5,926,487 MCF
Recent Oil Production842 BBLs in Dec 2025
Recent Gas Production5,954 MCF in Dec 2025
Wells on Property7

Our Valuation Estimates for Blackjack Unit

ShaleAssessment

$125,523 *

MarketMultiple

$156,217 **

* 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
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Blackjack Unit
from Jul 2014 to Jan 2026

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
Blackjack UnitKarnes County, TX2,775 BBLs8,710 MCFJan 2026
Buzzard VIsta AKarnes County, TX632 BBLs13,354 MCFJan 2026
Foster UnitKarnes County, TX6,325 BBLs54,349 MCFJan 2026
Grasshopper ThieleKarnes County, TX7,087 BBLs174,588 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
Kenrubylie AKarnes County, TX1,005 BBLs2,012 MCFJan 2026
Kenrubylie-Kenedy (Sa) AKarnes County, TX23,784 BBLs183,770 MCFJan 2026
Kosub UnitKarnes County, TX9,637 BBLs68,713 MCFJan 2026
L.B. Hailey UnitKarnes County, TX12,985 BBLs146,375 MCFJan 2026
McAlisterKarnes County, TX8,892 BBLs73,972 MCFJan 2026
Phillippe Gu1Karnes County, TX1,286 BBLs12,422 MCFJan 2026
Ricks Living Trust GuKarnes County, TX5,251 BBLs61,559 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
SyringKarnes County, TX1,493 BBLs910 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
42-255-33502Blackjack 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