Gilley Unit

Oil & Gas Property in Karnes County, TX

  2. Texas
  3. Karnes County, TX
  4. Oil & Gas Properties in Karnes County, TX
  5. Gilley Unit Oil & Gas Property

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Property Summary

Key data points for Gilley Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesJun 2011 - Jun 2026
Total Oil Production1,272,395 BBLs
Total Gas Production3,548,303 MCF
Recent Oil Production1,475 BBLs in May 2026
Recent Gas Production6,573 MCF in May 2026
Wells on Property8

Our Valuation Estimates for Gilley Unit

ShaleAssessment™

$41,825 *

MarketMultiple™

$271,683 **

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

Based on a decimal interest

Gilley 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 Gilley Unit
from Jun 2011 to Jun 2026

Wells on Gilley Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-31757GILLEY UNIT 1HMARATHON OIL EF LLCProducingKarnes County, TX28.835816-97.969280
42-255-32365GILLEY UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.822406-97.963823
42-255-35090GILLEY UNIT 505HMARATHON OIL EF LLCProducingKarnes County, TX28.822416-97.963720
42-255-35091GILLEY UNIT 504HMARATHON OIL EF LLCProducingKarnes County, TX28.822477-97.963539
42-255-35092GILLEY UNIT 5HMARATHON OIL EF LLCProducingKarnes County, TX28.822446-97.963626
42-255-35093GILLEY UNIT 4HMARATHON OIL EF LLCProducingKarnes County, TX28.834831-97.970138
42-255-35094GILLEY UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.834678-97.970074
42-255-35095GILLEY UNIT 503HMARATHON OIL EF LLCProducingKarnes County, TX28.834757-97.970078

Leases included in Gilley Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-09805GILLEY UNITMARATHON OIL EF LLCKarnes County, TX
02-294887GILLEY UNIT 504HMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Adams-Tipton UnitKarnes County, TX4,584 BBLs4,540 MCFJun 2026
Brown DupnikKarnes County, TX1,078 BBLs1,251 MCFJun 2026
Brysch Jonas-Yosko Borgfeld SaKarnes County, TX1,377 BBLs2,641 MCFMay 2026
Buehring UnitKarnes County, TX1,964 BBLs4,373 MCFJun 2026
Buehring-Gilley PsaKarnes County, TX954 BBLs4,610 MCFJun 2026
Culberson-Hughes UnitKarnes County, TX725 BBLs2,642 MCFJun 2026
Culberson-Patteson UnitKarnes County, TX1,544 BBLs4,080 MCFJun 2026
Davenport UnitKarnes County, TX765 BBLs570 MCFJun 2026
Fransen UnitKarnes County, TX6,830 BBLs21,147 MCFJun 2026
Fransen-Direct Assets SaKarnes County, TX11,484 BBLs47,392 MCFJun 2026
Gross-McLean UnitKarnes County, TX827 BBLs2,115 MCFJun 2026
Gross-RobertKarnes County, TX2,386 BBLs9,994 MCFJun 2026
Holland-Brown UnitKarnes County, TX975 BBLs1,518 MCFJun 2026
Jordan UnitKarnes County, TX2,928 BBLs4,048 MCFJun 2026
Jordan-Buehring Unit SaKarnes County, TX687 BBLs2,075 MCFJun 2026
Kimble-GilleyKarnes County, TX3,603 BBLs7,011 MCFJun 2026
Luna UnitKarnes County, TX4,680 BBLs20,111 MCFJun 2026
Luna-May Unit PsaKarnes County, TX736 BBLs1,062 MCFJun 2026
May Unit 1Karnes County, TX4,799 BBLs26,423 MCFJun 2026
Rogers-Foester UnitKarnes County, TX1,765 BBLs8,611 MCFJun 2026

Companies in the Area

These are the closest 20 companies operating near the Gilley Unit property.

Company Name
Burlington Resources Oil & Gas Company LP
Caturus Energy, LLC
Devon Energy Production Company, L.P.
Dewbre Petroleum Corporation
Encana Oil & Gas (USA) Inc.
EOG Resources Inc
Francisco Creek Operating, Inc.
Hawthorn Energy Partners, LLC
Hilcorp Energy Company
Marathon Oil Ef LLC
Miller, W. C. Operating Company
Ovintiv USA Inc.
Paloma Resources, LLC
Plains Exploration & Prod. Co.
Repsol Oil & Gas USA, LLC
Rickaway Energy, Corp.
Statoil Texas Onshore Prop LLC
Texas Crude Energy, Inc.
Tidal Petroleum, Inc.
Verdun Oil & Gas LLC

Frac'ing activity on Gilley Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32365Gilley 2H
42-255-35090Gilley Unit 505H
42-255-35091Gilley Unit 504H
42-255-35092Gilley Unit 5H
42-255-35093Gilley 4H
42-255-35094Gilley 3H
42-255-35095Gilley 503H

Owners of Gilley Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2026MARATHON OIL EF LLCGILLEY UNIT W#504HMARATHON OIL EF LLC
2026MARATHON OIL EF LLCGILLEY UNIT W#2H-5H,503H,505HMARATHON OIL EF LLC
2026KOLKHORST KATHERINE HAVERLAHGILLEY UNIT W#2H-5H,503H,505HMARATHON OIL EF LLC
2026FREEHOLD ROYALTIES USA INCGILLEY UNIT W#2H-5H,503H,505HMARATHON OIL EF LLC
2026AMBER HARVEST LLCGILLEY UNIT W#2H-5H,503H,505HMARATHON OIL EF LLC
2026WALLECK GORDON R & TINAGILLEY UNIT W#2H-5H,503H,505HMARATHON OIL EF LLC
2026JUNGMAN THOMAS ANDREWGILLEY UNIT W#2H-5H,503H,505HMARATHON OIL EF LLC
2026KOLKHORST KATHERINE HAVERLAHGILLEY UNIT W#504HMARATHON OIL EF LLC
Displaying 8 of 102 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Gilley Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-09805GILLEY UNITJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITJun 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITJun 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HJun 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HJun 2026TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HJun 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITMay 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITMay 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HMay 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HMay 2026TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-294887GILLEY UNIT 504HMay 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITApr 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITApr 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09805GILLEY UNITApr 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY