| 81001 | MAST | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 81002 | MAST | Lawrence County, PA | Oil & Gas Property | Dec 2024 |
| 81003 | MAST | Nacogdoches County, TX | Oil & Gas Property | Aug 2025 |
| 81004 | MAST | Holmes County, OH | Oil & Gas Property | Dec 2024 |
| 81005 | MAST A. T. B | Nacogdoches County, TX | Oil & Gas Property | Jul 2025 |
| 81006 | MAST GAS UNIT A 1 | Nacogdoches County, TX | Oil & Gas Property | May 2025 |
| 81007 | MAST M | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 81008 | MAST UNIT | Custer County, OK | Oil & Gas Property | Jul 2025 |
| 81009 | MASTEL 41-18TFH | Stark County, ND | Oil & Gas Property | Aug 2025 |
| 81010 | MASTEN | Cochran County, TX | Oil & Gas Property | Aug 2025 |
| 81011 | MASTER FEDERAL COM | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 81012 | MASTER SPLINTER | Washington County, PA | Gas Property | Aug 2025 |
| 81013 | MASTERBRAY | Fayette County, PA | Oil & Gas Property | Aug 2025 |
| 81014 | MASTERS | Pottawatomie County, OK | Oil Property | Jun 2025 |
| 81015 | MASTERS | Johnson County, TX | Oil & Gas Property | Aug 2025 |
| 81016 | MASTERS | Bexar County, TX | Oil & Gas Property | Aug 2025 |
| 81017 | MASTERS | Pittsburg County, OK | Gas Property | Jul 2025 |
| 81018 | MASTERS | Venango County, PA | Oil Property | Dec 2024 |
| 81019 | MASTERS | Garvin County, OK | Oil Property | Jan 2022 |
| 81020 | MASTERS | Garfield County, OK | Oil & Gas Property | Feb 2012 |
| 81021 | MASTERS HN MON | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 81022 | MASTERS UNIT | Howard County, TX | Oil & Gas Property | Aug 2025 |
| 81023 | MASTERSON | King County, TX | Oil & Gas Property | Aug 2025 |
| 81024 | MASTERSON | Pecos County, TX | Oil & Gas Property | Aug 2025 |
| 81025 | MASTERSON | Perry County, OH | Oil & Gas Property | Dec 2001 |
| 81026 | MASTERSON | Morgan County, OH | Oil & Gas Property | Dec 2012 |
| 81027 | MASTERSON | Brazoria County, TX | Oil & Gas Property | Aug 2025 |
| 81028 | MASTERSON | Ottawa County, MI | Oil Property | Aug 2025 |
| 81029 | MASTERSON | Pecos County, TX | Oil & Gas Property | Aug 2025 |
| 81030 | MASTERSON | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 81031 | MASTERSON | Potter County, TX | Oil & Gas Property | Aug 2025 |
| 81032 | MASTERSON | Potter County, TX | Gas Property | Aug 2025 |
| 81033 | MASTERSON | Reagan County, TX | Oil & Gas Property | Oct 2023 |
| 81034 | MASTERSON | Brazoria County, TX | Oil Property | Jun 2025 |
| 81035 | MASTERSON | Potter County, TX | Oil & Gas Property | Aug 2025 |
| 81036 | MASTERSON 2 | Logan County, OK | Oil & Gas Property | Jul 2025 |
| 81037 | MASTERSON 37 | Sutton County, TX | Oil & Gas Property | Aug 2025 |
| 81038 | MASTERSON 87 | Potter County, TX | Oil & Gas Property | Aug 2025 |
| 81039 | MASTERSON IRR | Brazoria County, TX | Oil & Gas Property | Sep 2018 |
| 81040 | MASTERSON RED CAVE UNIT | Moore County, TX | Oil & Gas Property | Aug 2025 |
| 81041 | MASTIFF FEDERAL | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 81042 | MASTODON | Tarrant County, TX | Gas Property | Aug 2025 |
| 81043 | MASTON | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 81044 | MASTON 34-27 | McKenzie County, ND | Oil & Gas Property | Aug 2025 |
| 81045 | MASTRANGELO | Geauga County, OH | Oil & Gas Property | Dec 2024 |
| 81046 | MATA-THOMAS GU | Webb County, TX | Oil & Gas Property | Aug 2025 |
| 81047 | MATADOR | Richland County, MT | Oil & Gas Property | Aug 2025 |
| 81048 | MATADOR | Motley County, TX | Oil & Gas Property | Aug 2025 |
| 81049 | MATADOR | Pecos County, TX | Oil & Gas Property | Aug 2025 |
| 81050 | MATADOR 19 STATE | Lea County, NM | Oil Property | Aug 2025 |
| 81051 | MATADOR 2734-7H | Divide County, ND | Oil & Gas Property | Aug 2025 |
| 81052 | MATADOR 6-33 | Reeves County, TX | Oil & Gas Property | Aug 2025 |
| 81053 | MATADOR 646 | Yoakum County, TX | Oil & Gas Property | Aug 2025 |
| 81054 | MATADOR COWEY ORCA | Dewitt County, TX | Oil & Gas Property | Jul 2025 |
| 81055 | MATADOR DANYSH ORCA | Karnes County, TX | Oil & Gas Property | Aug 2025 |
| 81056 | MATADOR K. LOVE ORCA | Dewitt County, TX | Oil & Gas Property | Jun 2019 |
| 81057 | MATADOR MR NBL 30 | Noble County, OH | Oil & Gas Property | Jun 2025 |
| 81058 | MATADOR PAWELEK | Karnes County, TX | Oil & Gas Property | Aug 2025 |
| 81059 | MATADOR SICKENIUS | Karnes County, TX | Oil & Gas Property | Aug 2025 |
| 81060 | MATAWA MINING & DEV | Boone County, WV | Gas Property | Dec 2021 |
| 81061 | MATCEK | Burleson County, TX | Oil & Gas Property | Aug 2025 |
| 81062 | MATCEK-ONDRASEK UNIT | Burleson County, TX | Oil & Gas Property | Aug 2025 |
| 81063 | MATCHETT | Jones County, TX | Oil & Gas Property | Aug 2025 |
| 81064 | MATCHETT FARM 12122 | Washington County, PA | Gas Property | Aug 2025 |
| 81065 | MATCHLESS 28 | Martin County, TX | Oil & Gas Property | Aug 2025 |
| 81066 | MATECHA MARY | Jones County, TX | Oil & Gas Property | Aug 2025 |
| 81067 | MATEER | Armstrong County, PA | Gas Property | Dec 2024 |
| 81068 | MATEER/SBI | Armstrong County, PA | Gas Property | Dec 2024 |
| 81069 | MATEJEK 01 | Dewitt County, TX | Oil & Gas Property | Aug 2025 |
| 81070 | MATER | Stanton County, KS | Gas Property | Jun 2025 |
| 81071 | MATER GAS UNIT | Stanton County, KS | Gas Property | Jun 2025 |
| 81072 | MATERN | Los Angeles County, CA | Oil & Gas Property | Dec 2019 |
| 81073 | MATERN A | Morton County, KS | Gas Property | Jun 2025 |
| 81074 | MATERN TRUST 4-21C4 | Duchesne County, UT | Oil & Gas Property | Aug 2025 |
| 81075 | MATHENEY ED | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 81076 | MATHENY | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 81077 | MATHENY | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 81078 | MATHENY | McIntosh County, OK | Gas Property | Nov 2018 |
| 81079 | MATHENY, C. NORMAN & WANDA | Harrison County, WV | Gas Property | Dec 2021 |
| 81080 | MATHER | Stafford County, KS | Oil Property | Jun 2025 |
| 81081 | MATHER | Glacier County, MT | Gas Property | Aug 2025 |
| 81082 | MATHER PEAK | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 81083 | MATHER RANCH 167 (ALLOCATION) 3H | Hemphill County, TX | Oil & Gas Property | Aug 2025 |
| 81084 | MATHERLY | Creek County, OK | Oil & Gas Property | Mar 2025 |
| 81085 | MATHERLY | Creek County, OK | Oil Property | Dec 2024 |
| 81086 | MATHERS | Hemphill County, TX | Oil & Gas Property | Aug 2025 |
| 81087 | MATHERS | Gray County, TX | Oil & Gas Property | Aug 2025 |
| 81088 | MATHERS | Gray County, TX | Oil & Gas Property | Mar 2012 |
| 81089 | MATHERS | Lynn County, TX | Oil & Gas Property | Aug 2025 |
| 81090 | MATHERS | Gray County, TX | Gas Property | Aug 2025 |
| 81091 | MATHERS | Coke County, TX | Oil & Gas Property | Jul 2025 |
| 81092 | MATHERS | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 81093 | MATHERS | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 81094 | MATHERS | Hemphill County, TX | Oil & Gas Property | Aug 2025 |
| 81095 | MATHERS | Hemphill County, TX | Oil & Gas Property | Aug 2025 |
| 81096 | MATHERS-STATE 172-156 CL EX 1H | Hemphill County, TX | Oil & Gas Property | Aug 2025 |
| 81097 | MATHES | Edwards County, KS | Oil & Gas Property | May 1985 |
| 81098 | MATHES | Grant County, KS | Gas Property | Jun 2025 |
| 81099 | MATHES | Haskell County, KS | Gas Property | Jun 2025 |
| 81100 | MATHES | Pratt County, KS | Oil & Gas Property | Jun 2025 |