Giese Unit

Oil & Gas Property in Atascosa County, TX

Property Summary

Key data points for Giese Unit

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesMar 2012 - Jan 2026
Total Oil Production806,444 BBLs
Total Gas Production802,133 MCF
Recent Oil Production2,946 BBLs in Dec 2025
Recent Gas Production1,659 MCF in Dec 2025
Wells on Property5

Our Valuation Estimates for Giese Unit

ShaleAssessment

Not Available

MarketMultiple

$294,295 **

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

Based on a decimal interest

Giese Unit Production Graph

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

Wells on Giese Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34441GIESE UNIT 1HMARATHON OIL EF LLCShut InAtascosa County, TX28.739654-98.210360
42-013-35592GIESE UNIT 2HMARATHON OIL EF LLCProducingAtascosa County, TX28.741261-98.207380
42-013-35593GIESE UNIT 3HMARATHON OIL EF LLCProducingAtascosa County, TX28.741317-98.207300
42-013-35594GIESE UNIT 4HMARATHON OIL EF LLCProducingAtascosa County, TX28.741369-98.207222
42-013-35595GIESE UNIT 5HMARATHON OIL EF LLCProducingAtascosa County, TX28.741425-98.207144

Leases included in Giese Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-15848GIESE UNITMARATHON OIL EF LLCAtascosa County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Anthony East Unit 1Atascosa County, TX381 BBLs115 MCFJan 2026
Anthony West UnitAtascosa County, TX358 BBLs144 MCFJan 2026
Esse-Retzloff-May-Tom Sa1Atascosa County, TX2,376 BBLs1,974 MCFJan 2026
Esse-Smith Ranch UnitAtascosa County, TX1,118 BBLs676 MCFDec 2025
Henke UnitAtascosa County, TX3,265 BBLs2,994 MCFJan 2026
Henke-Wilhelm UnitAtascosa County, TX2,870 BBLs1,848 MCFJan 2026
Mauch Tom KruegerAtascosa County, TX6,360 BBLs13,936 MCFJan 2026
May GirlsAtascosa County, TX4,423 BBLs4,335 MCFJan 2026
MCS FoundationAtascosa County, TX43,976 BBLs50,496 MCFJan 2026
Pat UnitAtascosa County, TX730 BBLs667 MCFJan 2026
Retzloff May-Mauch Krueger SaAtascosa County, TX1,891 BBLs4,119 MCFJan 2026
Retzloff-MayAtascosa County, TX8,856 BBLs10,604 MCFJan 2026
Retzloff-TomAtascosa County, TX0 BBLs0 MCFJan 2026
Smith Mary CarolAtascosa County, TX0 BBLs205 MCFDec 2025
Tom Family UnitAtascosa County, TX3,697 BBLs4,612 MCFJan 2026
Tom Family-Retzloff SaAtascosa County, TX3,967 BBLs2,238 MCFJan 2026
Tom-Smith Unit AAtascosa County, TX954 BBLs2,999 MCFJan 2026
W. Smith B-A-MCS PsaAtascosa County, TX680 BBLs2,222 MCFDec 2025
W.T. HurtAtascosa County, TX30,863 BBLs57,979 MCFJan 2026
Wilhelm-Smith UnitAtascosa County, TX1,714 BBLs636 MCFJan 2026

Frac'ing activity on Giese Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34441Giese 1H
42-013-35592Giese 2H
42-013-35593Giese 3H
42-013-35594Giese 4H
42-013-35595Giese 5H

Owners of Giese Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCGIESE UNITMARATHON OIL EF LLC
2025GRAY TREE LTDGIESE UNITMARATHON OIL EF LLC
2025DAHLIA VENTURES LTDGIESE UNITMARATHON OIL EF LLC
2025INGLEWOOD MANAGEMENT LTDGIESE UNITMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES (USA) INCGIESE UNITMARATHON OIL EF LLC
2025AMBER HARVEST LLCGIESE UNITMARATHON OIL EF LLC
2025EAGLE FORD AUSTIN INTERESTS LPGIESE UNITMARATHON OIL EF LLC
2025NINE CANYON INTERESTS LPGIESE UNITMARATHON OIL EF LLC
Displaying 8 of 11 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Giese Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-15848GIESE UNITDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITSep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITSep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITAug 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
01-15848GIESE UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITAug 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITAug 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-15848GIESE UNITJul 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITJul 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-15848GIESE UNITJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY