| 27001 | COX 1 | Latimer County, OK | Gas Property | Jan 2025 |
| 27002 | COX 1047 | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 27003 | COX 1161 | Weld County, CO | Oil & Gas Property | Aug 2020 |
| 27004 | COX 19 | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 27005 | COX 1H-24 | Atoka County, OK | Oil & Gas Property | Jan 2025 |
| 27006 | COX 2 | Fallon County, MT | Gas Property | Jan 2025 |
| 27007 | COX 2 | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 27008 | COX 2 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 27009 | COX 21 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 27010 | COX 21 1 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 27011 | COX 23/14-19-17 | Dewey County, OK | Oil & Gas Property | Feb 2025 |
| 27012 | COX 29 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 27013 | COX 3 | Latimer County, OK | Gas Property | Jan 2025 |
| 27014 | COX 30 | Carter County, OK | Oil & Gas Property | Jan 2025 |
| 27015 | COX 32 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 27016 | COX 33 | Garfield County, CO | Oil & Gas Property | Feb 2025 |
| 27017 | COX 33 | Seminole County, OK | Oil Property | Feb 2017 |
| 27018 | COX 34 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 27019 | COX 34 | Yuma County, CO | Gas Property | Feb 2025 |
| 27020 | COX 34-11-25 | Beckham County, OK | Oil & Gas Property | Jan 2025 |
| 27021 | COX 35 FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 27022 | COX 4 | Latimer County, OK | Gas Property | Jan 2025 |
| 27023 | COX 5 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 27024 | COX 5-10 #1 | Escambia County, AL | Oil & Gas Property | Feb 2025 |
| 27025 | COX 6 | Haskell County, KS | Oil & Gas Property | Oct 2020 |
| 27026 | COX 60 | Irion County, TX | Oil & Gas Property | Aug 2021 |
| 27027 | COX 9 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 27028 | COX A | Cooke County, TX | Oil & Gas Property | Jan 2025 |
| 27029 | COX A | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 27030 | COX A | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 27031 | COX A 34 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 27032 | COX A-1 | Caddo County, OK | Oil Property | Feb 2025 |
| 27033 | COX ALEXANDER | Howard County, TX | Oil & Gas Property | Mar 2018 |
| 27034 | COX B | Pontotoc County, OK | Oil Property | Nov 2024 |
| 27035 | COX B | Glasscock County, TX | Oil & Gas Property | Apr 2022 |
| 27036 | COX B | Kingman County, KS | Oil & Gas Property | Feb 2022 |
| 27037 | COX B | Sutton County, TX | Oil & Gas Property | Jan 2025 |
| 27038 | COX B. F | Willacy County, TX | Oil & Gas Property | Oct 2024 |
| 27039 | COX B.H. & G.A | Webb County, TX | Gas Property | Dec 2023 |
| 27040 | COX C | Glasscock County, TX | Oil & Gas Property | Feb 2024 |
| 27041 | COX C | Pontotoc County, OK | Oil Property | Jan 2025 |
| 27042 | COX C | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 27043 | COX C. T | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 27044 | COX C.C. ET AL | Stonewall County, TX | Oil & Gas Property | Dec 2024 |
| 27045 | COX CANYON | La Plata County, CO | Gas Property | Oct 2016 |
| 27046 | COX CANYON UNIT | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 27047 | COX COX 1 | McKean County, PA | Gas Property | Dec 2024 |
| 27048 | COX D | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 27049 | COX D. A | Cooke County, TX | Oil & Gas Property | Jan 2025 |
| 27050 | COX ESTATE | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 27051 | COX ESTATE | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 27052 | COX FEDERAL | Santa Barbara County, CA | Oil & Gas Property | Dec 2024 |
| 27053 | COX FEDERAL | Lea County, NM | Oil & Gas Property | Nov 2024 |
| 27054 | COX G. R. A | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 27055 | COX G.A | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 27056 | COX GAS UNIT 1H | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 27057 | COX GEORGIA GAS UNIT | Limestone County, TX | Oil & Gas Property | Jan 2025 |
| 27058 | COX GRAVEL | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 27059 | COX H | Carter County, OK | Oil & Gas Property | Jul 2020 |
| 27060 | COX H | Harrison County, TX | Gas Property | Jan 2025 |
| 27061 | COX HAZEL | Young County, TX | Oil & Gas Property | Dec 2024 |
| 27062 | COX J. R. GAS UNIT | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 27063 | COX JAMES | Sandusky County, OH | Oil Property | Dec 2024 |
| 27064 | COX JAMES A | Eastland County, TX | Gas Property | Jan 2025 |
| 27065 | COX KENNETH | Martin County, TX | Oil & Gas Property | Feb 2024 |
| 27066 | COX L. B | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 27067 | COX L. B. SECTION 11 | Crockett County, TX | Oil & Gas Property | Jul 2024 |
| 27068 | COX L. L | Sutton County, TX | Oil & Gas Property | Jan 2025 |
| 27069 | COX L.B | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 27070 | COX L.B | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 27071 | COX M. A | Henderson County, TX | Oil & Gas Property | Jan 2025 |
| 27072 | COX MICHEYLA | Rogers County, OK | Oil Property | Mar 2017 |
| 27073 | COX MINERALS A | Haskell County, KS | Oil & Gas Property | Feb 2016 |
| 27074 | COX OLETA | Brown County, TX | Gas Property | Jan 2025 |
| 27075 | COX P | Carter County, OK | Oil & Gas Property | Jan 2025 |
| 27076 | COX PEARL | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 27077 | COX Q | Carter County, OK | Oil Property | Nov 2024 |
| 27078 | COX RLT | De Soto Parish, LA | Oil & Gas Property | Dec 2024 |
| 27079 | COX S | Cheyenne County, CO | Gas Property | Nov 2004 |
| 27080 | COX TRUST | Dewey County, OK | Oil & Gas Property | Apr 2024 |
| 27081 | COX TRUST | Haskell County, KS | Oil Property | Dec 2024 |
| 27082 | COX UNIT -A | Andrews County, TX | Oil & Gas Property | Oct 1994 |
| 27083 | COX UNIT 54 | Midland County, TX | Oil & Gas Property | Mar 2023 |
| 27084 | COX V | Garvin County, OK | Oil & Gas Property | Jan 2025 |
| 27085 | COX V | Cheyenne County, CO | Gas Property | Oct 2024 |
| 27086 | COX VANDIVER LOGSDON UNIT | McLean County, KY | Oil Property | Dec 2023 |
| 27087 | COX VERNON | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 27088 | COX W | Cochran County, TX | Oil & Gas Property | Jan 2025 |
| 27089 | COX X. B | Glasscock County, TX | Oil & Gas Property | Apr 2023 |
| 27090 | COX, B.W | Jim Wells County, TX | Gas Property | Sep 2010 |
| 27091 | COX, CHESTER | Lee County, KY | Oil Property | Dec 2023 |
| 27092 | COX, D | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 27093 | COX, DENVER | Doddridge County, WV | Oil & Gas Property | Dec 2020 |
| 27094 | COX, EDGAR MRS | Barren County, KY | Oil Property | Dec 2018 |
| 27095 | COX, FLEET | Ritchie County, WV | Gas Property | Dec 2021 |
| 27096 | COX, FRANK | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 27097 | COX, FRANK | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 27098 | COX, GLEN | Martin County, TX | Oil & Gas Property | Sep 2023 |
| 27099 | COX, GLENN & SAVANNAH 146 | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 27100 | COX, GROVER | Ohio County, KY | Oil Property | Dec 2007 |