Grisham 21

Oil & Gas Property in Martin County, TX

Property Summary

Key data points for Grisham 21

CountyMartin County, TX
OperatorDIAMONDBACK E&P LLC
Production DatesNov 2007 - Dec 2025
Total Oil Production97,638 BBLs
Total Gas Production196,388 MCF
Recent Oil Production177 BBLs in Nov 2025
Recent Gas Production30 MCF in Nov 2025
Wells on Property3

Our Valuation Estimates for Grisham 21

ShaleAssessment

Not Available

MarketMultiple

$28,246 **

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

Based on a decimal interest

Grisham 21 Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Grisham 21
from Nov 2007 to Dec 2025

Wells on Grisham 21

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-317-34958GRISHAM 21 1DIAMONDBACK E&P LLCProducingMartin County, TX32.220469-101.856415
42-317-38612GRISHAM 21 1DIAMONDBACK E&P LLCShut InMartin County, TX32.225507-101.852962
42-317-38642GRISHAM 21 2DIAMONDBACK E&P LLCShut InMartin County, TX32.223630-101.856293

Leases included in Grisham 21

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
08-38526GRISHAM "21"DIAMONDBACK E&P LLCMartin County, TX
08-44336GRISHAM 21DIAMONDBACK E&P LLCMartin County, TX

Nearby Properties

These are the closest 20 properties to the Grisham 21 property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Abu Garcia 28-16Martin County, TX231,814 BBLs963,932 MCFDec 2025
Airflo 9-4Martin County, TX344,181 BBLs718,421 MCFDec 2025
AllarMartin County, TX1,088 BBLs3,278 MCFDec 2025
Atchison-Wheeler 8Martin County, TX2,698 BBLs24,309 MCFDec 2025
BlackMartin County, TX0 BBLs0 MCFSep 2025
CarlileMartin County, TX0 BBLs0 MCFApr 2019
Fenwick 10-3Martin County, TX252,075 BBLs594,420 MCFDec 2025
GibsonMartin County, TX13 BBLs0 MCFDec 2025
GreemanMartin County, TX0 BBLs0 MCFDec 2025
Grisham-GreemanMartin County, TX0 BBLs0 MCFApr 2025
HardinMartin County, TX0 BBLs0 MCFFeb 2025
LittletonMartin County, TX0 BBLs0 MCFDec 2024
Low Unit 19Martin County, TX625 BBLs0 MCFDec 2025
Margie 9-4Martin County, TX96,463 BBLs178,467 MCFDec 2025
MeekMartin County, TX3,105 BBLs14,979 MCFDec 2025
Rio 27-1Martin County, TX236,866 BBLs816,411 MCFDec 2025
ShafferMartin County, TX0 BBLs0 MCFFeb 2025
Shimano 28-4Martin County, TX234,553 BBLs785,535 MCFDec 2025
Tibor 11-2Martin County, TX276,322 BBLs388,519 MCFDec 2025
Zebco 27-39Martin County, TX109,005 BBLs529,710 MCFDec 2025

Frac'ing activity on Grisham 21

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-317-38612Grisham 21-1
42-317-38612Grisham 21-1
42-317-38642Grisham 21 #2

Owners of Grisham 21

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025DIAMONDBACK E&P LLCGRISHAM 21 #1DIAMONDBACK E&P LLC
2025DIAMONDBACK E&P LLCGRISHAM 21DIAMONDBACK E&P LLC

Oil & Gas Sales on Grisham 21

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
08-38526GRISHAM "21"Dec 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Oct 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Sep 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Aug 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Jul 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Jun 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"May 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Apr 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Feb 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Jan 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Jun 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-44336GRISHAM 21May 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"May 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Apr 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-44336GRISHAM 21Mar 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-44336GRISHAM 21Feb 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Feb 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Jan 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-44336GRISHAM 21Jan 2024ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-38526GRISHAM "21"Dec 2023DIAMONDBACK E&P LLC
08-38526GRISHAM "21"Nov 2023DIAMONDBACK E&P LLC
08-44336GRISHAM 21Nov 2023DIAMONDBACK E&P LLC
08-38526GRISHAM "21"Oct 2023DIAMONDBACK E&P LLC
08-44336GRISHAM 21Oct 2023DIAMONDBACK E&P LLC
08-38526GRISHAM "21"Sep 2023DIAMONDBACK E&P LLC