Cox 9

Oil & Gas Property in Martin County, TX

  2. Texas
  3. Martin County, TX
  4. Oil & Gas Properties in Martin County, TX
  5. Cox 9 Oil & Gas Property

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Property Summary

Key data points for Cox 9

CountyMartin County, TX
Production DatesMar 2000 - Jan 2026
Total Oil Production2,478,931 BBLs
Total Gas Production5,224,022 MCF
Recent Oil Production35,678 BBLs in Dec 2025
Recent Gas Production161,343 MCF in Dec 2025
Wells on Property18

Our Valuation Estimates for Cox 9

ShaleAssessment™

Not Available

MarketMultiple™

$6,579,544 **

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

Based on a decimal interest

Cox 9 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 Cox 9
from Mar 2000 to Jan 2026

Wells on Cox 9

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-317-34246COX "9" 1STEPHENS, AUTRY C.Plugged Oil WellMartin County, TX32.320493-102.008494
42-317-34271COX 9 2DIAMONDBACK E&P LLCShut InMartin County, TX32.319077-102.016943
42-317-37020COX 9 4DIAMONDBACK E&P LLCShut InMartin County, TX32.322444-102.018654
42-317-37025COX 9 3DIAMONDBACK E&P LLCShut InMartin County, TX32.324353-102.010325
42-317-41226COX 9-12 UNIT 2 281DIAMONDBACK E&P LLCProducingMartin County, TX32.322490-102.023496
42-317-41227COX 9-12 UNIT 2 183ENDEAVOR ENERGY RESOURCES L.P.Horizontal Well Surface LocatioMartin County, TX32.322508-102.023418
42-317-41228COX 9-12 UNIT 2 282DIAMONDBACK E&P LLCShut InMartin County, TX32.322413-102.022918
42-317-41229COX 9-12 UNIT 2 271DIAMONDBACK E&P LLCProducingMartin County, TX32.322545-102.023262
42-317-41230COX 9-12 UNIT 2 173DIAMONDBACK E&P LLCShut InMartin County, TX32.322450-102.022762
42-317-41231COX 9-12 UNIT 2 272DIAMONDBACK E&P LLCShut InMartin County, TX32.322581-102.023106
42-317-45609COX 9-12 UNIT 2 251DIAMONDBACK E&P LLCProducingMartin County, TX32.301807-102.011271
42-317-45610COX 9-12 UNIT 2 152DIAMONDBACK E&P LLCShut InMartin County, TX32.301819-102.010337
42-317-45611COX 9-12 UNIT 2 153DIAMONDBACK E&P LLCShut InMartin County, TX32.301825-102.011193
42-317-45612COX 9-12 UNIT 2 161DIAMONDBACK E&P LLCProducingMartin County, TX32.301765-102.011348
42-317-45613COX 9-12 UNIT 2 163DIAMONDBACK E&P LLCShut InMartin County, TX32.300875-102.015285
42-317-45614COX 9-12 UNIT 2 174DIAMONDBACK E&P LLCShut InMartin County, TX32.300857-102.015363
42-317-45626COX 9-12 UNIT 2 162DIAMONDBACK E&P LLCShut InMartin County, TX32.300893-102.015207
42-317-45627COX 9-12 UNIT 2 175DIAMONDBACK E&P LLCShut InMartin County, TX32.300839-102.015442

Leases included in Cox 9

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
08-36269COX "9"ENDEAVOR ENERGY RESOURCES L.P.Martin County, TX
08-36430COX "9"DIAMONDBACK E&P LLCMartin County, TX
08-51547COX 9-12 UNIT 2DIAMONDBACK E&P LLCMartin County, TX

Operators Associated With Cox 9

Nearby Properties

These are the closest 20 properties to the Cox 9 property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
AlldaleMartin County, TX27,830 BBLs45,573 MCFJan 2026
CampbellMartin County, TX132,008 BBLs144,158 MCFFeb 2026
Cox 1Martin County, TX33,692 BBLs205,619 MCFJan 2026
Fearless 136-137 AMartin County, TX2,696 BBLs1,773 MCFJan 2026
FM Hall 20Martin County, TX826 BBLs8,188 MCFJan 2026
Fuller Thomas & OdellMartin County, TX405 BBLs0 MCFJan 2026
Glaze J. LMartin County, TX456 BBLs75 MCFJan 2026
Hall Trust 20Martin County, TX767 BBLs7,103 MCFJan 2026
JonesMartin County, TX101 BBLs0 MCFJan 2026
Key 9Martin County, TX1,463 BBLs1,170 MCFJan 2026
MarieMartin County, TX6,712 BBLs41,571 MCFJan 2026
Mattingley 14Martin County, TX11,998 BBLs132,707 MCFJan 2026
Me Tarzan 8-25 Unit 2Martin County, TX62,488 BBLs327,683 MCFJan 2026
NicholsMartin County, TX218 BBLs267 MCFJan 2026
Silverback 13-8 Unit 1Martin County, TX13,508 BBLs106,001 MCFJan 2026
TarzanMartin County, TX121 BBLs0 MCFJan 2026
TateMartin County, TX1,292 BBLs1,197 MCFJan 2026
ThelmaMartin County, TX2,506 BBLs16,934 MCFJan 2026
Wolcott CampbellMartin County, TX10,153 BBLs39,101 MCFJan 2026
You Jane 20-25 Unit 1Martin County, TX25,132 BBLs182,072 MCFJan 2026

Companies in the Area

These are the closest 20 companies operating near the Cox 9 property.

Company Name
Breitburn Operating LP
Cox, John L.
Crownquest Operating, LLC
Diamondback E&P LLC
Discovery Operating Inc
Endeavor Energy Resources, LP
Energen Resources Corporation
Extex Operating Company
Henry Petroleum Corp.
Limestone Exploration, LLC
MGF Oil Corporation
Midland Energy, Inc.
Oxyrock Operating, LLC
Parker & Parsley Development L.P
Pioneer Natural Res. USA, Inc.
Qep Energy Company
R K Petroleum Corp.
Reatta Energy, Inc.
Rittenhouse Oil & Gas Co.
Stephens, Autry C.

Frac'ing activity on Cox 9

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-317-41226COX 9-12 UNIT 2 281
42-317-41226COX 9-12 UNIT 2 281
42-317-41228COX 9-12 UNIT 2 282
42-317-41228COX 9-12 UNIT 2 282
42-317-41229COX 9-12 UNIT 2 271
42-317-41229COX 9-12 UNIT 2 271
42-317-41230COX 9-12 UNIT 2 173
42-317-41230COX 9-12 UNIT 2 173
42-317-41231COX 9-12 UNIT 2 272
42-317-41231COX 9-12 UNIT 2 272
42-317-45609Cox 9 12 Unit 2 #251
42-317-45610Cox 9 12 Unit 2 #152
42-317-45611Cox 9 12 Unit 2 #153
42-317-45612Cox 9 12 Unit 2 #161
42-317-45613Cox 9 12 Unit 2 #163
42-317-45614Cox 9 12 Unit 2 #174
42-317-45626Cox 9 12 Unit 2 #162
42-317-45627Cox 9 12 Unit 2 #175

Owners of Cox 9

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025DIAMONDBACK E&P LLCCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
2025MDJ MINERALS LLPCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
2025COX BERRY STEPHEN FAMILY TRUSTCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
2025SOWDERS KARENCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
2025COX MORGAN SAMUELCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
2025COX ROBERT HALLCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
2025MYRICK JONAMA COXCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
2025KOOTENAI RIVER LLCCOX 9-12 UNIT 2DIAMONDBACK E&P LLC
Displaying 8 of 11 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Cox 9

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
08-51547COX 9-12 UNIT 2Dec 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Nov 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Nov 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Nov 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Oct 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Oct 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Oct 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Sep 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Sep 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Sep 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Aug 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Aug 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Aug 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Jul 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Jul 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Jul 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Jun 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Jun 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Jun 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2May 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2May 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2May 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Apr 2025DIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Apr 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-51547COX 9-12 UNIT 2Apr 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC