| 12001 | MCMILLIAN | Creek County, OK | Oil & Gas Property | Sep 2022 |
| 12002 | MCMURTREY | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 12003 | MCMURTREY | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 12004 | MCMURTRY 1-2 | Noble County, OK | Oil & Gas Property | Apr 2025 |
| 12005 | MCNAC | Creek County, OK | Oil Property | Jun 2013 |
| 12006 | MCNALLY | Logan County, OK | Oil & Gas Property | Jan 2015 |
| 12007 | MCNALLY | Pittsburg County, OK | Gas Property | Apr 2025 |
| 12008 | MCNATT | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 12009 | MCNAUGHT | Woodward County, OK | Oil & Gas Property | Apr 2025 |
| 12010 | MCNEELY | Noble County, OK | Oil & Gas Property | Jul 2022 |
| 12011 | MCNEFF | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 12012 | MCNEFF | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 12013 | MCNEFF | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 12014 | MCNEIL | Custer County, OK | Oil & Gas Property | Sep 2024 |
| 12015 | MCNEILL | Custer County, OK | Oil & Gas Property | Apr 2025 |
| 12016 | MCNEILL | Logan County, OK | Oil & Gas Property | Apr 2025 |
| 12017 | MCNICKLE 1 | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 12018 | MCNULTY | Tulsa County, OK | Oil Property | Mar 2021 |
| 12019 | MCNULTY | Pawnee County, OK | Oil & Gas Property | Jun 2024 |
| 12020 | MCNULTY | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 12021 | MCNUTT | Okmulgee County, OK | Oil & Gas Property | Mar 2025 |
| 12022 | MCNUTT | Hughes County, OK | Gas Property | Aug 2021 |
| 12023 | MCOSKER | Woods County, OK | Oil & Gas Property | May 2025 |
| 12024 | MCPHAIL | Logan County, OK | Oil & Gas Property | Apr 2025 |
| 12025 | MCPHERSON | Caddo County, OK | Oil & Gas Property | Apr 2025 |
| 12026 | MCPHERSON | Blaine County, OK | Oil & Gas Property | Apr 2025 |
| 12027 | MCPHERSON | Garvin County, OK | Oil & Gas Property | Apr 2025 |
| 12028 | MCPHERSON MU48-53 31-06-07 | McClain County, OK | Oil Property | Apr 2025 |
| 12029 | MCQUEEN | Hughes County, OK | Gas Property | Dec 2018 |
| 12030 | MCQUEEN | Stephens County, OK | Oil & Gas Property | Apr 2025 |
| 12031 | MCQUEEN | Stephens County, OK | Oil Property | May 2023 |
| 12032 | MCQUIGG | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 12033 | MCQUOWN | Major County, OK | Oil & Gas Property | Mar 2025 |
| 12034 | MCREE | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 12035 | MCSOUD | Creek County, OK | Oil Property | Apr 2025 |
| 12036 | MCSOUD | Creek County, OK | Oil Property | May 2025 |
| 12037 | MCSWAIN | Pontotoc County, OK | Oil Property | Sep 2024 |
| 12038 | MCSWAIN 1 | Noble County, OK | Oil & Gas Property | Dec 2017 |
| 12039 | MCU 2 | Major County, OK | Oil & Gas Property | Apr 2025 |
| 12040 | MCU 3 | Major County, OK | Oil & Gas Property | Apr 2025 |
| 12041 | MCVEY | Caddo County, OK | Oil Property | Apr 2025 |
| 12042 | MCVEY | Caddo County, OK | Oil & Gas Property | Apr 2025 |
| 12043 | MCWHIRTER | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 12044 | MCWILLIAMS | Pittsburg County, OK | Gas Property | Apr 2025 |
| 12045 | MCWILLIAMS | Osage County, OK | Oil Property | Nov 2013 |
| 12046 | MCWILLIAMS 3 | Texas County, OK | Oil & Gas Property | Apr 2025 |
| 12047 | MD BAR | Le Flore County, OK | Gas Property | Apr 2025 |
| 12048 | MD RICHARDSON | Pottawatomie County, OK | Oil Property | Apr 2025 |
| 12049 | MDT 19-18-24 | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 12050 | MEACHAM | Custer County, OK | Oil & Gas Property | Apr 2025 |
| 12051 | MEACHAM | Custer County, OK | Oil & Gas Property | Apr 2025 |
| 12052 | MEACHAM | Custer County, OK | Oil & Gas Property | Apr 2025 |
| 12053 | MEADERS | Okfuskee County, OK | Oil & Gas Property | Oct 2023 |
| 12054 | MEADORS | Hughes County, OK | Oil & Gas Property | Sep 2019 |
| 12055 | MEADORS | Pittsburg County, OK | Gas Property | Apr 2025 |
| 12056 | MEADORS | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 12057 | MEADORS | Hughes County, OK | Oil & Gas Property | Apr 2025 |
| 12058 | MEADOWLAKE | Garfield County, OK | Oil & Gas Property | May 2025 |
| 12059 | MEADVILLE | Comanche County, OK | Oil & Gas Property | Mar 2025 |
| 12060 | MEAL TICKET 1-12 | Hughes County, OK | Oil & Gas Property | Apr 2025 |
| 12061 | MEANS | Alfalfa County, OK | Oil & Gas Property | May 2025 |
| 12062 | MEANS | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 12063 | MEANS | Alfalfa County, OK | Oil & Gas Property | May 2025 |
| 12064 | MEANS | Beaver County, OK | Oil & Gas Property | Apr 2025 |
| 12065 | MEANS | Haskell County, OK | Gas Property | Apr 2025 |
| 12066 | MECCA-MASLEN | Craig County, OK | Oil Property | Apr 2025 |
| 12067 | MECHEK | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 12068 | MEDDERS | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 12069 | MEDDERS | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 12070 | MEDFORD | Grant County, OK | Oil & Gas Property | Apr 2025 |
| 12071 | MEDFORD | Pawnee County, OK | Oil & Gas Property | Jun 2020 |
| 12072 | MEDICINE ARROWS | McClain County, OK | Oil & Gas Property | Apr 2025 |
| 12073 | MEDICINE ARROWS 2-35-0704 | McClain County, OK | Oil & Gas Property | Apr 2025 |
| 12074 | MEDICINE BEAR 1H-8 | Roger Mills County, OK | Oil & Gas Property | Apr 2025 |
| 12075 | MEDILL 2015 | Major County, OK | Oil & Gas Property | May 2025 |
| 12076 | MEDLEY | Pittsburg County, OK | Gas Property | Oct 2022 |
| 12077 | MEDLEY 0605 | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 12078 | MEDRANO | Caddo County, OK | Oil & Gas Property | Apr 2025 |
| 12079 | MEEK | Custer County, OK | Oil & Gas Property | Apr 2025 |
| 12080 | MEEK | Hemphill County, TX | Oil & Gas Property | Apr 2025 |
| 12081 | MEEK | Major County, OK | Oil & Gas Property | Apr 2025 |
| 12082 | MEEK | Pontotoc County, OK | Oil Property | May 2025 |
| 12083 | MEEK FEDERAL | Major County, OK | Oil & Gas Property | Apr 2025 |
| 12084 | MEEKER | Oklahoma County, OK | Oil & Gas Property | Apr 2025 |
| 12085 | MEEKER | Oklahoma County, OK | Oil & Gas Property | May 2025 |
| 12086 | MEEKER 2 | Nowata County, OK | Oil & Gas Property | Nov 2014 |
| 12087 | MEEKS | Pontotoc County, OK | Oil & Gas Property | Apr 2015 |
| 12088 | MEEKS | Carter County, OK | Oil & Gas Property | Dec 2001 |
| 12089 | MEGAN | Beckham County, OK | Oil & Gas Property | Apr 2025 |
| 12090 | MEGATRON | Garvin County, OK | Oil & Gas Property | Apr 2025 |
| 12091 | MEGENITY | Noble County, OK | Oil & Gas Property | Mar 2016 |
| 12092 | MEHAN | Payne County, OK | Oil & Gas Property | May 2025 |
| 12093 | MEHEW | Blaine County, OK | Oil & Gas Property | Apr 2025 |
| 12094 | MEHLS | Beaver County, OK | Oil & Gas Property | Apr 2025 |
| 12095 | MEIBERGEN | Garfield County, OK | Oil & Gas Property | Apr 2025 |
| 12096 | MEIER | Woods County, OK | Oil & Gas Property | Apr 2025 |
| 12097 | MEIER | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 12098 | MEIER | Blaine County, OK | Oil & Gas Property | Apr 2025 |
| 12099 | MEIER | Noble County, OK | Oil & Gas Property | Apr 2024 |
| 12100 | MEIER | Blaine County, OK | Oil & Gas Property | Jan 2025 |