Gramm Unit

Oil & Gas Property in Karnes County, TX

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

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Property Summary

Key data points for Gramm Unit

CountyKarnes County, TX
OperatorDEVON ENERGY PRODUCTION COMPANY, L.P.
Production DatesMay 2012 - Nov 2025
Total Oil Production1,060,275 BBLs
Total Gas Production1,960,103 MCF
Recent Oil Production9,258 BBLs in Oct 2025
Recent Gas Production55,462 MCF in Oct 2025
Wells on Property8

Our Valuation Estimates for Gramm Unit

ShaleAssessment™

Not Available

MarketMultiple™

$1,209,831 **

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

Based on a decimal interest

Gramm 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 Gramm Unit
from May 2012 to Nov 2025

Wells on Gramm Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32144GRAMM UNIT 1HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149875-97.727687
42-255-32145GRAMM UNIT 2HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149901-97.727775
42-255-32238GRAMM UNIT 3HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149902-97.727851
42-255-37683GRAMM UNIT 4HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149755-97.730643
42-255-37684GRAMM UNIT 5HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149736-97.730702
42-255-37685GRAMM UNIT 6HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149717-97.730761
42-255-37686GRAMM UNIT 7HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149698-97.730820
42-255-37687GRAMM UNIT 9HDEVON ENERGY PRODUCTION CO, L.P.ProducingKarnes County, TX29.149679-97.730878

Leases included in Gramm Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-09874GRAMM UNITDEVON ENERGY PRODUCTION CO, L.P.Karnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Betts UnitKarnes County, TX1,744 BBLs837 MCFNov 2025
ChinstrapKarnes County, TX1,729 BBLs3,851 MCFNov 2025
Cochran UnitKarnes County, TX9,576 BBLs10,775 MCFNov 2025
Colleen UnitKarnes County, TX1,273 BBLs191 MCFNov 2025
CottonwoodKarnes County, TX11,347 BBLs5,970 MCFNov 2025
DogwoodKarnes County, TX29,187 BBLs19,060 MCFNov 2025
Georg (Karnes County, TX11,817 BBLs1,849 MCFNov 2025
George UnitKarnes County, TX0 BBLs0 MCFAug 2025
HalenKarnes County, TX10,987 BBLs32,091 MCFNov 2025
Inman UnitKarnes County, TX6,035 BBLs18,766 MCFNov 2025
Ivey UnitKarnes County, TX1,791 BBLs2,546 MCFNov 2025
JulieKarnes County, TX16,192 BBLs2,355 MCFNov 2025
LamzaKarnes County, TX5,506 BBLs9,530 MCFNov 2025
Lee UnitKarnes County, TX323 BBLs0 MCFNov 2025
Little BlueKarnes County, TX10,990 BBLs25,991 MCFNov 2025
MapleKarnes County, TX4,652 BBLs2,409 MCFNov 2025
Palmer UnitKarnes County, TX5,533 BBLs14,769 MCFNov 2025
Richter A UnitKarnes County, TX3,481 BBLs19,430 MCFNov 2025
Richter North UnitKarnes County, TX1,296 BBLs7,700 MCFNov 2025
Richter South UnitKarnes County, TX4,317 BBLs39,294 MCFNov 2025

Companies in the Area

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

Company Name
1776 Energy Operators, LLC
Auterra Operating, LLC
Baytex Energy USA, Inc.
Chesapeake Operating, Inc.
Devon Energy Production Company, L.P.
Enervest Operating LLC
EOG Resources, Inc.
Gulftex Energy III, LP
Gulftex Energy, LLC
Henry Petroleum Corp.
Lonestar Operating, LLC
Magnolia Oil & Gas Operating LLC
Modern Exploration, Inc.
Repsol Oil & Gas USA, LLC
Santa Fe Energy Oper. Part., LP
Silver Hill Energy Operating, LLC
Tidal Petroleum, Inc.
VSP Operating, LLC
Wainoco Oil & Gas Company
Zarvona Energy LLC

Frac'ing activity on Gramm Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32144GRAMM 1H
42-255-32144Gramm 1H
42-255-32145Gramm 2H
42-255-32238GRAMM 3H
42-255-32238Gramm 3H
42-255-37683GRAMM UNIT 4H
42-255-37684GRAMM UNIT 5H
42-255-37685GRAMM UNIT 6H
42-255-37686GRAMM UNIT 7H
42-255-37687GRAMM UNIT 9H

Owners of Gramm Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025DEVON ENERGY PROD CO LP-WIGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
2025GRAMM FAMILY FARM PARTNERSHIPGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
2025SCHOENFELD SHELLY KGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
2025SCHOENFELD CARL MAXGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
2025RICHTER DUANE DGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
2025DEVON ENERGY PROD CO LP-RI/ORGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
2025GRIFFITH WILSON MORSEGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
2025GRIFFITH JAMES P S JRGRAMM UNIT 1H-7H,9HDEVON ENERGY PROD CO
Displaying 8 of 27 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Gramm Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-09874GRAMM UNITDec 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITNov 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITNov 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITNov 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITOct 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITOct 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITOct 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITSep 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITSep 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITSep 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITAug 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITAug 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITAug 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITJul 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITJul 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITJul 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITJun 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITJun 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITJun 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITMay 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITMay 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITMay 2025DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITApr 2025DEVON GAS SERVICES, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITApr 2025DEVON ENERGY PRODUCTION COMPANY, L.P.DEVON ENERGY PRODUCTION COMPANY, L.P.
02-09874GRAMM UNITApr 2025DEVON ENERGY PRODUCTION COMPANY, L.P.