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 - Jan 2026
Total Oil Production1,077,564 BBLs
Total Gas Production2,039,559 MCF
Recent Oil Production8,669 BBLs in Dec 2025
Recent Gas Production45,159 MCF in Dec 2025
Wells on Property8

Our Valuation Estimates for Gramm Unit

ShaleAssessment™

Not Available

MarketMultiple™

$1,174,042 **

* 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 Jan 2026

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, TX1,644 BBLs690 MCFJan 2026
ChinstrapKarnes County, TX1,673 BBLs3,407 MCFJan 2026
Cochran UnitKarnes County, TX9,751 BBLs14,518 MCFJan 2026
Colleen UnitKarnes County, TX1,315 BBLs352 MCFJan 2026
CottonwoodKarnes County, TX10,118 BBLs6,860 MCFJan 2026
DogwoodKarnes County, TX28,261 BBLs28,040 MCFJan 2026
Georg (Karnes County, TX12,809 BBLs2,808 MCFJan 2026
George UnitKarnes County, TX0 BBLs0 MCFAug 2025
HalenKarnes County, TX10,331 BBLs29,435 MCFJan 2026
Inman UnitKarnes County, TX6,037 BBLs15,135 MCFJan 2026
Ivey UnitKarnes County, TX1,851 BBLs2,292 MCFJan 2026
JulieKarnes County, TX14,308 BBLs5,893 MCFJan 2026
LamzaKarnes County, TX2,674 BBLs5,158 MCFJan 2026
Little BlueKarnes County, TX9,960 BBLs22,226 MCFJan 2026
MapleKarnes County, TX6,340 BBLs1,967 MCFJan 2026
Palmer UnitKarnes County, TX5,336 BBLs10,253 MCFJan 2026
Richter A UnitKarnes County, TX2,020 BBLs17,716 MCFJan 2026
Richter North UnitKarnes County, TX1,410 BBLs6,703 MCFJan 2026
Richter South UnitKarnes County, TX2,707 BBLs42,837 MCFJan 2026
Rutter Ranch UnitKarnes County, TX12,954 BBLs10,510 MCFJan 2026

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
Chesapeake Operating, Inc.
Devon Energy Production Company, L.P.
Enervest Operating LLC
EOG Resources Inc
FW Eagle Ford I, LLC
Gulftex Energy III, LP
Gulftex Energy, LLC
Hamman Oil & Refining Company
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
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
2025JPSG LTDGRAMM 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.