| 2001 | KIGHTLINGER | Warren County, PA | Gas Property | Dec 2024 |
| 2002 | KIISTNER | Kearny County, KS | Gas Property | Mar 2025 |
| 2003 | KIISTNER | Stanton County, KS | Gas Property | Mar 2025 |
| 2004 | KIKER | Wheeler County, TX | Oil & Gas Property | Jun 2024 |
| 2005 | KIKER | Seminole County, OK | Oil Property | Oct 2012 |
| 2006 | KIKER | Hemphill County, TX | Oil & Gas Property | Apr 2025 |
| 2007 | KIKER | Seminole County, OK | Oil & Gas Property | Oct 2019 |
| 2008 | KIKER AMOCO | Hemphill County, TX | Oil & Gas Property | Apr 2025 |
| 2009 | KIKER SAM | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 2010 | KIKER-BENTLEY-PERKINS (SA) 1 | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 2011 | KIKER-PERKINS ET AL (SA) | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 2012 | KIKER-WOMACK ET AL (SA) 1H | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 2013 | KIKO | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 2014 | KIKO | Stark County, OH | Oil & Gas Property | Dec 2023 |
| 2015 | KIKO | Carroll County, OH | Oil & Gas Property | Mar 2025 |
| 2016 | KIKO | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 2017 | KIKO UNIT | Carroll County, OH | Oil & Gas Property | Mar 2025 |
| 2018 | KIKTA UNIT | Fayette County, PA | Gas Property | May 2025 |
| 2019 | KILBARGER | Fairfield County, OH | Oil Property | Dec 2024 |
| 2020 | KILBOURN FARM | Calhoun County, MI | Oil & Gas Property | Apr 2025 |
| 2021 | KILBURN | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 2022 | KILCOYNE | Wetzel County, WV | Oil & Gas Property | Mar 2016 |
| 2023 | KILCOYNE, JOHN W | Wetzel County, WV | Gas Property | Dec 2021 |
| 2024 | KILCOYNE, JOHN W. & FLORENCE 51 | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 2025 | KILCREASE | Young County, TX | Oil & Gas Property | Apr 2025 |
| 2026 | KILCREASE BESSIE | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 2027 | KILCREASE-BOWLES | Navarro County, TX | Oil & Gas Property | Mar 2025 |
| 2028 | KILDARE EAST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Jan 2019 |
| 2029 | KILDARE WEST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Feb 2000 |
| 2030 | KILDOW | Weld County, CO | Oil & Gas Property | Aug 2022 |
| 2031 | KILE | Wyoming County, PA | Gas Property | May 2025 |
| 2032 | KILE | Beaver County, OK | Oil & Gas Property | Apr 2025 |
| 2033 | KILE | Sabine Parish, LA | Oil & Gas Property | Dec 2024 |
| 2034 | KILE | Hughes County, OK | Oil Property | Apr 2025 |
| 2035 | KILE | Beaver County, OK | Oil & Gas Property | Apr 2025 |
| 2036 | KILE | Ochiltree County, TX | Oil & Gas Property | Apr 2025 |
| 2037 | KILE | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 2038 | KILE M.G | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 2039 | KILEN 21-15-1H | Richland County, MT | Oil & Gas Property | May 2025 |
| 2040 | KILEY | Zavala County, TX | Oil & Gas Property | Apr 2025 |
| 2041 | KILEY A UNIT 1H | Butler County, PA | Gas Property | May 2025 |
| 2042 | KILEY, JOSEPH & JACQUELINE OXFD1 | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 2043 | KILGORE | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 2044 | KILGORE | Moore County, TX | Gas Property | Apr 2025 |
| 2045 | KILGORE | Dawson County, TX | Oil & Gas Property | Apr 2025 |
| 2046 | KILGORE | Brown County, TX | Oil & Gas Property | Apr 2025 |
| 2047 | KILGORE | Moore County, TX | Gas Property | Apr 2025 |
| 2048 | KILGORE | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 2049 | KILGORE | Victoria County, TX | Oil & Gas Property | Mar 2025 |
| 2050 | KILGORE BAPTIST CHURCH | Gregg County, TX | Oil & Gas Property | Apr 2025 |
| 2051 | KILGORE SO | Chaves County, NM | Gas Property | May 2025 |
| 2052 | KILGORE, GARY L | Neosho County, KS | Gas Property | Mar 2025 |
| 2053 | KILGORE-WERNECKE GAS UNIT | Duval County, TX | Oil & Gas Property | Apr 2025 |
| 2054 | KILGUST | Palo Pinto County, TX | Oil & Gas Property | Mar 2024 |
| 2055 | KILHOFFER | Custer County, OK | Oil & Gas Property | Apr 2025 |
| 2056 | KILHOFFER | Elk County, PA | Oil & Gas Property | Dec 2024 |
| 2057 | KILHOFFER | Custer County, OK | Oil & Gas Property | Apr 2025 |
| 2058 | KILIAN | Russell County, KS | Oil Property | Mar 2025 |
| 2059 | KILIAN | Grant County, OK | Oil & Gas Property | May 2025 |
| 2060 | KILIMANJARO 1106 | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 2061 | KILIMANJARO UNIT | Karnes County, TX | Oil & Gas Property | Apr 2025 |
| 2062 | KILKENNY | McClain County, OK | Oil & Gas Property | Apr 2025 |
| 2063 | KILL | Sherman County, TX | Gas Property | Apr 2025 |
| 2064 | KILLAM | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2065 | KILLAM | Duval County, TX | Oil & Gas Property | Apr 2025 |
| 2066 | KILLAM | La Salle County, TX | Oil & Gas Property | Apr 2025 |
| 2067 | KILLAM | Duval County, TX | Oil & Gas Property | Apr 2025 |
| 2068 | KILLAM | Duval County, TX | Oil & Gas Property | Apr 2025 |
| 2069 | KILLAM & HURD | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2070 | KILLAM AND HURD FEE | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2071 | KILLAM FREER R | Duval County, TX | Oil & Gas Property | Apr 2025 |
| 2072 | KILLAM MINERAL FEE | Duval County, TX | Oil Property | Apr 2025 |
| 2073 | KILLAM MINERAL FEE 601 | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2074 | KILLAM O. W | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2075 | KILLAM-GONZALEZ | La Salle County, TX | Oil & Gas Property | Apr 2025 |
| 2076 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2077 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2078 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2079 | KILLAM-HURD-MCLEAN | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 2080 | KILLEBREW | Roberts County, TX | Oil & Gas Property | Apr 2025 |
| 2081 | KILLEBREW | Roberts County, TX | Oil & Gas Property | Apr 2025 |
| 2082 | KILLEBREW 119 | Hemphill County, TX | Oil & Gas Property | Apr 2025 |
| 2083 | KILLEBREW WALTER S | Hemphill County, TX | Oil & Gas Property | Apr 2025 |
| 2084 | KILLEN | Jack County, TX | Oil & Gas Property | Aug 2021 |
| 2085 | KILLEN | Bossier Parish, LA | Oil & Gas Property | Dec 2024 |
| 2086 | KILLER BEE | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 2087 | KILLER BEE STATE | Chaves County, NM | Gas Property | May 2025 |
| 2088 | KILLGORE | Moore County, TX | Gas Property | Apr 2025 |
| 2089 | KILLGORE | Nolan County, TX | Oil & Gas Property | Oct 2023 |
| 2090 | KILLGORE | Moore County, TX | Gas Property | Apr 2025 |
| 2091 | KILLIAN | Russell County, KS | Oil Property | Mar 2025 |
| 2092 | KILLIAN | De Soto Parish, LA | Oil & Gas Property | Dec 2024 |
| 2093 | KILLIAN | Harris County, TX | Oil & Gas Property | Apr 2025 |
| 2094 | KILLIAN | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 2095 | KILLIAN | Young County, TX | Oil & Gas Property | Apr 2025 |
| 2096 | KILLIAN 1 | Duchesne County, UT | Oil & Gas Property | May 2025 |
| 2097 | KILLINGSWORTH | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 2098 | KILLINGSWORTH | Gregg County, TX | Oil & Gas Property | Apr 2025 |
| 2099 | KILLINGSWORTH | Stephens County, OK | Oil & Gas Property | Oct 1998 |
| 2100 | KILLINGSWORTH | Gregg County, TX | Oil & Gas Property | Apr 2025 |