Sienkiewicz Unit

Oil & Gas Property in Karnes County, TX

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Property Summary

Key data points for Sienkiewicz Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesNov 2012 - Jun 2026
Total Oil Production3,057,363 BBLs
Total Gas Production12,127,702 MCF
Recent Oil Production2,996 BBLs in May 2026
Recent Gas Production14,003 MCF in May 2026
Wells on Property14

Our Valuation Estimates for Sienkiewicz Unit

ShaleAssessment

$215,055 *

MarketMultiple

$671,870 **

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

Based on a decimal interest

Sienkiewicz Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Sienkiewicz Unit
from Nov 2012 to Jun 2026

Wells on Sienkiewicz Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32446SIENKIEWICZ UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.829254-97.899684
42-255-32509SIENKIEWICZ UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.830158-97.900145
42-255-32547SIENKIEWICZ UNIT 6HMARATHON OIL EF LLCTemp AbandonedKarnes County, TX28.828022-97.898681
42-255-32575SIENKIEWICZ UNIT 5HMARATHON OIL EF LLCProducingKarnes County, TX28.846840-97.900407
42-255-34062SIENKIEWICZ UNIT 11HMARATHON OIL EF LLCTemp AbandonedKarnes County, TX28.837530-97.907895
42-255-34063SIENKIEWICZ UNIT 503HMARATHON OIL EF LLCProducingKarnes County, TX28.837583-97.907823
42-255-34065SIENKIEWICZ UNIT 10HMARATHON OIL EF LLCProducingKarnes County, TX28.837689-97.907680
42-255-34076SIENKIEWICZ UNIT AC 9HMARATHON OIL EF LLCProducingKarnes County, TX28.837636-97.907752
42-255-34737SIENKIEWICZ UNIT 505HMARATHON OIL EF LLCProducingKarnes County, TX28.845608-97.900494
42-255-34738SIENKIEWICZ UNIT AC 2HMARATHON OIL EF LLCProducingKarnes County, TX28.845599-97.900684
42-255-34739SIENKIEWICZ UNIT 4HMARATHON OIL EF LLCProducingKarnes County, TX28.845603-97.900590
42-255-34740SIENKIEWICZ UNIT 504HMARATHON OIL EF LLCProducingKarnes County, TX28.845592-97.900775
42-255-34794SIENKIEWICZ UNIT AC 3HMARATHON OIL EF LLCProducingKarnes County, TX28.845586-97.900872
42-255-34795SIENKIEWICZ UNIT 7HMARATHON OIL EF LLCProducingKarnes County, TX28.845579-97.900966

Leases included in Sienkiewicz Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10797SIENKIEWICZ UNITMARATHON OIL EF LLCKarnes County, TX
02-266858SIENKIEWICZ UNIT 6HMARATHON OIL EF LLCKarnes County, TX
02-266879SIENKIEWICZ UNIT 3HMARATHON OIL EF LLCKarnes County, TX
02-268733SIENKIEWICZ UNIT 2HMARATHON OIL EF LLCKarnes County, TX
02-268782SIENKIEWICZ UNIT 5HMARATHON OIL EF LLCKarnes County, TX
02-277548SIENKIEWICZ UNIT 11HMARATHON OIL EF LLCKarnes County, TX
02-279741SIENKIEWICZ UNIT AC 9HMARATHON OIL EF LLCKarnes County, TX
02-283163SIENKIEWICZ UNIT AC 2HMARATHON OIL EF LLCKarnes County, TX
02-283164SIENKIEWICZ UNIT AC 3HMARATHON OIL EF LLCKarnes County, TX
02-283778SIENKIEWICZ UNIT 504HMARATHON OIL EF LLCKarnes County, TX
02-284097SIENKIEWICZ UNIT 7HMARATHON OIL EF LLCKarnes County, TX
02-290481SIENKIEWICZ UNIT 505HMARATHON OIL EF LLCKarnes County, TX
02-290538SIENKIEWICZ UNIT 4HMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Bailey Unit AKarnes County, TX468 BBLs1,139 MCFJun 2026
Barboza UnitKarnes County, TX4,499 BBLs40,027 MCFJun 2026
Blackjack UnitKarnes County, TX1,379 BBLs8,462 MCFJun 2026
Chapman RogersKarnes County, TX997 BBLs947 MCFJun 2026
Crews A-Love Ulw AKarnes County, TX3,966 BBLs15,542 MCFJun 2026
Crews Quad Ulw BKarnes County, TX7,743 BBLs35,140 MCFJun 2026
Crews UnitKarnes County, TX29,953 BBLs138,928 MCFJun 2026
Hemby UnitKarnes County, TX4,611 BBLs25,204 MCFJun 2026
Kosub UnitKarnes County, TX10,047 BBLs104,539 MCFJun 2026
Kotara-Ridley UnitKarnes County, TX5,724 BBLs38,764 MCFJun 2026
L.B. Hailey UnitKarnes County, TX10,609 BBLs98,576 MCFJun 2026
Love UnitKarnes County, TX3,337 BBLs16,650 MCFJun 2026
Love-SienkiewiczKarnes County, TX5,990 BBLs52,811 MCFJun 2026
McAlisterKarnes County, TX9,909 BBLs102,029 MCFJun 2026
McElveen Unit AKarnes County, TX21,420 BBLs68,341 MCFJun 2026
Murphy-KotaraKarnes County, TX1,349 BBLs7,598 MCFJun 2026
SchulteKarnes County, TX4,852 BBLs31,631 MCFJun 2026
Schulte-Bailey Usw A 1Karnes County, TX22,069 BBLs77,835 MCFJun 2026
Schulte-McElveen UswKarnes County, TX58,148 BBLs215,206 MCFJun 2026
Witte, Inc. Unit AKarnes County, TX3,985 BBLs16,665 MCFJun 2026

Frac'ing activity on Sienkiewicz Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32446Sienkiewicz 2H
42-255-32509Sienkiewicz 3H
42-255-32547Sienkiewicz 6H
42-255-32575Sienkiewicz #5H
42-255-34062Sienkiewicz AC 11H
42-255-34063Sienkiewicz 503H
42-255-34065Sienkiewicz 10H
42-255-34076Sienkiewicz AC 9H
42-255-34737Sienkiewicz Unit 505H
42-255-34738Sienkiewicz Unit AC 2H
42-255-34739Sienkiewicz Unit 4H
42-255-34740Sienkiewicz Unit 504H
42-255-34794Sienkiewicz Unit AC 3H
42-255-34795Sienkiewicz Unit 7H

Owners of Sienkiewicz Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2026MARATHON OIL EF LLCSIENKIEWICZ UNIT W#505HMARATHON OIL EF LLC
2026MARATHON OIL EF LLCSIENKIEWICZ UNIT W#504HMARATHON OIL EF LLC
2026MARATHON OIL EF LLCSIENKIEWICZ #2H-3H,10H,503HMARATHON OIL EF LLC
2026MARATHON OIL EF LLCSIENKIEWICZ UNIT W#7HMARATHON OIL EF LLC
2026MARATHON OIL EF LLCSIENKIEWICZ UNIT AC W#3HMARATHON OIL EF LLC
2026BEAN INVESTMENTS LTDSIENKIEWICZ UNIT W#505HMARATHON OIL EF LLC
2026FREEHOLD ROYALTIES USA INCSIENKIEWICZ UNIT W#505HMARATHON OIL EF LLC
2026AMBER HARVEST LLCSIENKIEWICZ UNIT W#505HMARATHON OIL EF LLC
Displaying 8 of 598 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Sienkiewicz Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10797SIENKIEWICZ UNITJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-268782SIENKIEWICZ UNIT 5HJun 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-268782SIENKIEWICZ UNIT 5HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-268782SIENKIEWICZ UNIT 5HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-279741SIENKIEWICZ UNIT AC 9HJun 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-279741SIENKIEWICZ UNIT AC 9HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-279741SIENKIEWICZ UNIT AC 9HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-283163SIENKIEWICZ UNIT AC 2HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-283164SIENKIEWICZ UNIT AC 3HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-283778SIENKIEWICZ UNIT 504HJun 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-283778SIENKIEWICZ UNIT 504HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-283778SIENKIEWICZ UNIT 504HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-284097SIENKIEWICZ UNIT 7HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-290481SIENKIEWICZ UNIT 505HJun 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-290481SIENKIEWICZ UNIT 505HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-290481SIENKIEWICZ UNIT 505HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-290538SIENKIEWICZ UNIT 4HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10797SIENKIEWICZ UNITMay 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10797SIENKIEWICZ UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10797SIENKIEWICZ UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-268782SIENKIEWICZ UNIT 5HMay 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-268782SIENKIEWICZ UNIT 5HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-268782SIENKIEWICZ UNIT 5HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-283163SIENKIEWICZ UNIT AC 2HMay 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-283163SIENKIEWICZ UNIT AC 2HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY