Duke 40

Oil & Gas Property in Martin County, TX

Property Summary

Key data points for Duke 40

CountyMartin County, TX
Production DatesFeb 2013 - Nov 2025
Total Oil Production135,519 BBLs
Total Gas Production528,195 MCF
Recent Oil Production637 BBLs in Oct 2025
Recent Gas Production410 MCF in Oct 2025
Wells on Property2

Our Valuation Estimates for Duke 40

ShaleAssessment

$21,352 *

MarketMultiple

$33,353 **

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

Based on a decimal interest

Duke 40 Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Duke 40
from Feb 2013 to Nov 2025

Wells on Duke 40

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-317-37435DUKE 40 1CROWNQUEST OPERATING, LLCOil WellMartin County, TX32.158948-101.945008
42-317-38163DUKE 40 2OxyRock Operating, LLCProducingMartin County, TX32.155560-101.937640

Leases included in Duke 40

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
08-43922DUKE 40OxyRock Operating, LLCMartin County, TX

Operators Associated With Duke 40

Nearby Properties

These are the closest 20 properties to the Duke 40 property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
AllenMartin County, TX33 BBLs0 MCFNov 2025
Annie OakleyMartin County, TX130,724 BBLs210,278 MCFNov 2025
BohananMartin County, TX60 BBLs0 MCFNov 2025
Bohanan-Blocker 3Martin County, TX12,998 BBLs42,421 MCFNov 2025
EilandMartin County, TX253 BBLs331 MCFNov 2025
Elizabeth ShoemakerMartin County, TX0 BBLs0 MCFAug 2025
FrazierMartin County, TX67 BBLs0 MCFNov 2025
HazelwoodMartin County, TX7,709 BBLs32,327 MCFNov 2025
HazlewoodMartin County, TX31,589 BBLs28,473 MCFNov 2025
LouderMartin County, TX929 BBLs356 MCFNov 2025
Raymond Glasscock 5Martin County, TX3,065 BBLs13,055 MCFNov 2025
ReeseMartin County, TX1,258 BBLs2,174 MCFNov 2025
Sale-Louder 33Martin County, TX198,695 BBLs203,578 MCFNov 2025
Sale-Yarbrough 33Martin County, TX150,954 BBLs170,981 MCFNov 2025
ShoemakerMartin County, TX0 BBLs0 MCFJul 2025
Smith BessieMartin County, TX0 BBLs0 MCFJun 2024
WilliamsMartin County, TX98,324 BBLs244,621 MCFNov 2025
Williams-Hazelwood 46Martin County, TX56,252 BBLs164,610 MCFNov 2025
YarbroughMartin County, TX21 BBLs0 MCFNov 2025
YaterMartin County, TX360 BBLs0 MCFNov 2025

Frac'ing activity on Duke 40

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-317-37435Duke 40 #1
42-317-38163Duke 40 #2

Owners of Duke 40

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025OXYROCK OPERATING LLCDUKE 40OXYROCK OPERAT LLC

Oil & Gas Sales on Duke 40

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
08-43922DUKE 40Apr 2025OCCIDENTAL ENERGY MARKETING, INC.OXYROCK OPERATING, LLC
08-43922DUKE 40Mar 2025OCCIDENTAL ENERGY MARKETING, INC.OXYROCK OPERATING, LLC
08-43922DUKE 40Mar 2025WTG GAS PROCESSING, L.P.OXYROCK OPERATING, LLC
08-43922DUKE 40Feb 2025SHELL TRADING (US) COMPANYOXYROCK OPERATING, LLC
08-43922DUKE 40Feb 2025DORADO OIL COMPANYOXYROCK OPERATING, LLC
08-43922DUKE 40Feb 2025WTG GAS PROCESSING, L.P.OXYROCK OPERATING, LLC
08-43922DUKE 40Dec 2024WTG GAS PROCESSING, L.P.OXYROCK OPERATING, LLC
08-43922DUKE 40Nov 2024SHELL TRADING (US) COMPANYOXYROCK OPERATING, LLC
08-43922DUKE 40Nov 2024WTG GAS PROCESSING, L.P.OXYROCK OPERATING, LLC
08-43922DUKE 40Oct 2024SHELL TRADING (US) COMPANYOXYROCK OPERATING, LLC
08-43922DUKE 40Oct 2024WTG GAS PROCESSING, L.P.OXYROCK OPERATING, LLC
08-43922DUKE 40Sep 2024WTG GAS PROCESSING, L.P.OXYROCK OPERATING, LLC
08-43922DUKE 40Aug 2024SHELL TRADING (US) COMPANYOXYROCK OPERATING, LLC
08-43922DUKE 40Aug 2024WTG GAS PROCESSING, L.P.OXYROCK OPERATING, LLC
08-43922DUKE 40Jul 2024WTG GAS PROCESSING, L.P.CROWNQUEST OPERATING, LLC
08-43922DUKE 40Jun 2024SHELL TRADING (US) COMPANYCROWNQUEST OPERATING, LLC
08-43922DUKE 40Jun 2024WTG GAS PROCESSING, L.P.CROWNQUEST OPERATING, LLC
08-43922DUKE 40May 2024SHELL TRADING (US) COMPANYCROWNQUEST OPERATING, LLC
08-43922DUKE 40May 2024WTG GAS PROCESSING, L.P.CROWNQUEST OPERATING, LLC
08-43922DUKE 40Apr 2024SHELL TRADING (US) COMPANYCROWNQUEST OPERATING, LLC
08-43922DUKE 40Apr 2024WTG GAS PROCESSING, L.P.CROWNQUEST OPERATING, LLC
08-43922DUKE 40Mar 2024WTG GAS PROCESSING, L.P.CROWNQUEST OPERATING, LLC
08-43922DUKE 40Feb 2024SHELL TRADING (US) COMPANYCROWNQUEST OPERATING, LLC
08-43922DUKE 40Feb 2024WTG GAS PROCESSING, L.P.CROWNQUEST OPERATING, LLC
08-43922DUKE 40Jan 2024SHELL TRADING (US) COMPANYCROWNQUEST OPERATING, LLC