| 81001 | MC CLUSKEY | Calhoun County, MI | Oil Property | Aug 2026 |
| 81002 | MC CONNELL | Franklin County, KS | Oil Property | May 2026 |
| 81003 | MC CORMICK | Waller County, TX | Oil & Gas Property | Jun 2026 |
| 81004 | MC CRARY | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 81005 | MC CRORY | Rice County, KS | Oil Property | Jul 2024 |
| 81006 | MC DONALD | Parker County, TX | Oil & Gas Property | Jun 2020 |
| 81007 | MC DONALD J. T | Stephens County, TX | Oil & Gas Property | Mar 2022 |
| 81008 | MC ELROY | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 81009 | MC ELROY RANCH | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 81010 | MC FARLANE | Mecosta County, MI | Oil Property | Jul 2026 |
| 81011 | MC FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 81012 | MC GINLEY | Los Angeles County, CA | Oil & Gas Property | Feb 2004 |
| 81013 | MC HENRY | Morehouse Parish, LA | Gas Property | Dec 2024 |
| 81014 | MC KAY | Ottawa County, MI | Oil & Gas Property | Aug 2026 |
| 81015 | MC KEE | Orange County, CA | Oil & Gas Property | Jul 1988 |
| 81016 | MC KINNEY | Union County, KY | Oil Property | Dec 2023 |
| 81017 | MC LA 3 | De Soto Parish, LA | Gas Property | Dec 2024 |
| 81018 | MC MHA | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81019 | MC MILLEN COMMUNITY | Los Angeles County, CA | Oil & Gas Property | Dec 2002 |
| 81020 | MC MURR | Martin County, TX | Oil & Gas Property | Feb 2016 |
| 81021 | MC MURR | Union County, KY | Oil Property | Dec 2023 |
| 81022 | MC NEELEY | Union County, KY | Oil Property | Dec 2019 |
| 81023 | MC STATE | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 81024 | MC-HEINERT 144-94-2215H-1 | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81025 | MC-KUDRNA 144-95-1 | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81026 | MC-MURPHY 144-95-1102H-2 | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81027 | MC-SCHOLLMEYER-144-94- 2116H-1 | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81028 | MC-SICKLER-144-95- 1423H-1 | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81029 | MC-STECKLER-143-94- 0805H-1 | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81030 | MC-STEVE KUDRNA 143-95-2932H-1 | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81031 | MCA STATE UNIT 239-240 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 81032 | MCA UNIT | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 81033 | MCADAMS | Creek County, OK | Oil Property | Jun 2026 |
| 81034 | MCADAMS | Claiborne Parish, LA | Oil & Gas Property | Mar 2021 |
| 81035 | MCADAMS | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 81036 | MCADAMS | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 81037 | MCADAMS | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 81038 | MCADAMS | Nolan County, TX | Oil & Gas Property | Jun 2026 |
| 81039 | MCADAMS | San Juan County, NM | Oil & Gas Property | Jul 2026 |
| 81040 | MCADAMS | Washita County, OK | Oil & Gas Property | Jun 2026 |
| 81041 | MCADAMS | Martin County, TX | Oil & Gas Property | Jan 2021 |
| 81042 | MCADAMS | Borden County, TX | Oil & Gas Property | Jun 2026 |
| 81043 | MCADAMS 1 | Madison County, TX | Oil & Gas Property | May 2026 |
| 81044 | MCADAMS A | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 81045 | MCADAMS B | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 81046 | MCADEN, E.W | Grayson County, TX | Oil & Gas Property | May 2018 |
| 81047 | MCADOO | Union County, AR | Oil Property | Jul 2026 |
| 81048 | MCADOO 34-23H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 81049 | MCADOO UNIT | Washington County, PA | Oil & Gas Property | Jun 2026 |
| 81050 | MCAFEE | Jefferson County, OK | Oil Property | May 2026 |
| 81051 | MCAFEE | Okmulgee County, OK | Oil & Gas Property | Nov 2018 |
| 81052 | MCAFEE | Pittsburg County, OK | Oil & Gas Property | Jun 2026 |
| 81053 | MCAFEE | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 81054 | MCAHREN | Seward County, KS | Oil & Gas Property | May 2026 |
| 81055 | MCALESTER | Latimer County, OK | Gas Property | Jun 2026 |
| 81056 | MCALESTER | Chaves County, NM | Oil & Gas Property | Feb 2018 |
| 81057 | MCALESTER STATE | Chaves County, NM | Oil Property | May 2026 |
| 81058 | MCALISTER | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 81059 | MCALISTER | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 81060 | MCALISTER | Chautauqua County, KS | Oil Property | Feb 2026 |
| 81061 | MCALISTER | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 81062 | MCALISTER GAS UNIT | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 81063 | MCALISTER IONE BUCKNER | Wise County, TX | Oil & Gas Property | Dec 2024 |
| 81064 | MCALLEN | Hidalgo County, TX | Oil & Gas Property | Jun 2026 |
| 81065 | MCALLEN | Hidalgo County, TX | Oil & Gas Property | Jun 2026 |
| 81066 | MCALLEN FIELDWIDE UNIT | Hidalgo County, TX | Oil & Gas Property | Jun 2026 |
| 81067 | MCALLISTER | Wheeler County, TX | Oil & Gas Property | May 2026 |
| 81068 | MCALLISTER | Russell County, KS | Oil Property | May 2026 |
| 81069 | MCALLISTER | Allegany County, NY | Oil & Gas Property | Dec 2025 |
| 81070 | MCALMOND | Mountrail County, ND | Oil & Gas Property | May 2026 |
| 81071 | MCALMOND | Los Angeles County, CA | Oil & Gas Property | Jun 2026 |
| 81072 | MCALPIN | Woods County, OK | Oil & Gas Property | Jun 2026 |
| 81073 | MCALPINE | Glacier County, MT | Oil Property | Jun 2026 |
| 81074 | MCALPINE | Toole County, MT | Gas Property | Jun 2026 |
| 81075 | MCALPINE-GRISHAM | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 81076 | MCALVAIN | Rogers County, OK | Gas Property | Sep 2023 |
| 81077 | MCALVEY | Montcalm County, MI | Oil Property | Jun 2026 |
| 81078 | MCANALLY | Archer County, TX | Oil & Gas Property | Mar 2008 |
| 81079 | MCANALLY | Pontotoc County, OK | Oil Property | Jun 2026 |
| 81080 | MCANDREW | Allegany County, NY | Oil & Gas Property | Dec 2025 |
| 81081 | MCANGUS 107 | Schleicher County, TX | Oil & Gas Property | Jun 2026 |
| 81082 | MCANIER | Johnson County, TX | Gas Property | Jul 2019 |
| 81083 | MCANINCH | Kay County, OK | Oil & Gas Property | Jan 2021 |
| 81084 | MCANINCH | Noble County, OK | Oil & Gas Property | Jun 2026 |
| 81085 | MCANULTY | Young County, TX | Oil & Gas Property | Jun 2026 |
| 81086 | MCANULTY | Ouachita County, AR | Oil & Gas Property | Jul 2026 |
| 81087 | MCARDLE | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 81088 | MCARTHUR | Kent County, TX | Oil & Gas Property | Jun 2026 |
| 81089 | MCARTOR | Licking County, OH | Oil Property | Dec 1999 |
| 81090 | MCASHAN | Leon County, TX | Oil & Gas Property | Apr 2026 |
| 81091 | MCASHAN G | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 81092 | MCASKILL | Zapata County, TX | Oil & Gas Property | Jun 2026 |
| 81093 | MCATEE | Harper County, OK | Oil & Gas Property | Jun 2026 |
| 81094 | MCATEE | Stevens County, KS | Gas Property | May 2026 |
| 81095 | MCATEE | Craig County, OK | Gas Property | Aug 2016 |
| 81096 | MCATEE | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 81097 | MCATEE 1 | Harper County, OK | Oil & Gas Property | Jul 2026 |
| 81098 | MCAULEY | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 81099 | MCAWLEY | Armstrong County, PA | Gas Property | Dec 2025 |
| 81100 | MCBAIN | Missaukee County, MI | Oil Property | Jul 2026 |