| 2001 | LEACH STATE 12X-16 | Williams County, ND | Oil & Gas Property | May 2026 |
| 2002 | LEACH, ADOLPHUS | Taylor County, WV | Gas Property | Aug 2014 |
| 2003 | LEACHMAN | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 2004 | LEACHMAN-ROB | Burleson County, TX | Oil & Gas Property | Jan 2011 |
| 2005 | LEAD 147-93-16B-21H-TF | Dunn County, ND | Oil & Gas Property | May 2026 |
| 2006 | LEAD WOMAN 23-14H | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 2007 | LEADBETTER | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 2008 | LEADERBRAND | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 2009 | LEADMAN 17-05-22 | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 2010 | LEAF | Tarrant County, TX | Gas Property | Apr 2026 |
| 2011 | LEAFGREN | Weld County, CO | Oil & Gas Property | Sep 2020 |
| 2012 | LEAGUE 91 PROJECT | Cochran County, TX | Oil & Gas Property | Mar 2026 |
| 2013 | LEAGUE, NELLIE B. ETAL | Galveston County, TX | Oil & Gas Property | Mar 2026 |
| 2014 | LEAH | Garza County, TX | Oil & Gas Property | Feb 2025 |
| 2015 | LEAH | Kiowa County, OK | Oil & Gas Property | Mar 2026 |
| 2016 | LEAH | Roger Mills County, OK | Oil & Gas Property | Apr 2026 |
| 2017 | LEAH | Upton County, TX | Oil & Gas Property | May 2025 |
| 2018 | LEAH 14-20TFH | Dunn County, ND | Oil & Gas Property | May 2026 |
| 2019 | LEAH 29-32 | Richland County, MT | Oil & Gas Property | May 2026 |
| 2020 | LEAH CARNAHAN | Indiana County, PA | Gas Property | Dec 2025 |
| 2021 | LEAH MARIE | San Juan County, NM | Gas Property | Mar 2026 |
| 2022 | LEAKE | Lincoln County, OK | Gas Property | Feb 2020 |
| 2023 | LEAKER CC | Lea County, NM | Oil & Gas Property | May 2026 |
| 2024 | LEAL | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 2025 | LEAL | Duval County, TX | Oil & Gas Property | Oct 2023 |
| 2026 | LEAL PEDRO | Webb County, TX | Oil & Gas Property | Dec 2018 |
| 2027 | LEAL UNIT | Lavaca County, TX | Oil & Gas Property | Apr 2026 |
| 2028 | LEALI | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 2029 | LEAMAN | Bradford County, PA | Gas Property | Apr 2026 |
| 2030 | LEAMAN | Hocking County, OH | Oil & Gas Property | Dec 2023 |
| 2031 | LEAMEX | Lea County, NM | Oil & Gas Property | May 2026 |
| 2032 | LEAMEX BATTERY 2 | Lea County, NM | Oil & Gas Property | Aug 2022 |
| 2033 | LEAMON | Alfalfa County, OK | Oil & Gas Property | May 2026 |
| 2034 | LEAMON | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 2035 | LEAMON NEST | Robertson County, TX | Oil & Gas Property | Apr 2026 |
| 2036 | LEANDER | Saline County, KS | Oil Property | Nov 2025 |
| 2037 | LEANN | Hughes County, OK | Oil & Gas Property | Mar 2026 |
| 2038 | LEANN 2 | Harper County, KS | Oil & Gas Property | Mar 2026 |
| 2039 | LEANN RAE FEDERAL 28-33H | Williams County, ND | Oil & Gas Property | May 2026 |
| 2040 | LEAP FROG 47-11 | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 2041 | LEAR STATE | Lea County, NM | Oil & Gas Property | May 2026 |
| 2042 | LEAR VLIET | Le Flore County, OK | Gas Property | Mar 2018 |
| 2043 | LEARCY MCBUFFINGTON | Lea County, NM | Oil & Gas Property | May 2026 |
| 2044 | LEARD | Washington County, OK | Gas Property | Feb 2020 |
| 2045 | LEARD #1 | Upshur County, TX | Oil & Gas Property | Apr 2026 |
| 2046 | LEARN | Indiana County, PA | Gas Property | Dec 2025 |
| 2047 | LEARNED | Concordia Parish, LA | Oil & Gas Property | Jan 2025 |
| 2048 | LEASE | Uinta County, WY | Oil & Gas Property | Sep 2025 |
| 2049 | LEASE BY | Kern County, CA | Oil & Gas Property | Feb 1991 |
| 2050 | LEASE BY 1301 COLTON LLC | Los Angeles County, CA | Oil Property | Dec 2002 |
| 2051 | LEASE BY 959 STADIUM WAY, LLC | Los Angeles County, CA | Oil Property | Mar 2004 |
| 2052 | LEASE BY A. S. JOHNSTON DRILLING CORP | Los Angeles County, CA | Oil & Gas Property | Nov 1985 |
| 2053 | LEASE BY AERA ENERGY LLC | Kern County, CA | Oil & Gas Property | May 2026 |
| 2054 | LEASE BY AERA ENERGY LLC | Fresno County, CA | Oil & Gas Property | May 2026 |
| 2055 | LEASE BY AERA ENERGY LLC | Kern County, CA | Oil & Gas Property | May 2026 |
| 2056 | LEASE BY ANGUS PETROLEUM CORPORATION | Orange County, CA | Oil & Gas Property | Nov 1988 |
| 2057 | LEASE BY APOLLO ENERGY CORPORATION | Kern County, CA | Oil Property | Aug 1986 |
| 2058 | LEASE BY ARCO WESTERN ENERGY CO | Kern County, CA | Oil & Gas Property | Jun 1984 |
| 2059 | LEASE BY ARCO WESTERN ENERGY CO | Kern County, CA | Oil & Gas Property | Dec 1984 |
| 2060 | LEASE BY ARCO WESTERN ENERGY CO | Kern County, CA | Oil & Gas Property | Sep 1987 |
| 2061 | LEASE BY ATLANTIC RICHFIELD COMPANY | Kern County, CA | Oil & Gas Property | Feb 1992 |
| 2062 | LEASE BY ATLANTIC RICHFIELD COMPANY | Los Angeles County, CA | Oil & Gas Property | Aug 1978 |
| 2063 | LEASE BY BELLAIRE OIL COMPANY | Kern County, CA | Oil & Gas Property | May 2026 |
| 2064 | LEASE BY BERRY PETROLEUM COMPANY, LLC | Kern County, CA | Oil & Gas Property | May 2026 |
| 2065 | LEASE BY BERRY PETROLEUM COMPANY, LLC | Kern County, CA | Oil & Gas Property | May 2026 |
| 2066 | LEASE BY BLACKHAWK OIL COMPANY | Kern County, CA | Oil & Gas Property | Jun 1994 |
| 2067 | LEASE BY BLACKHAWK OIL COMPANY | Los Angeles County, CA | Oil & Gas Property | Sep 1992 |
| 2068 | LEASE BY BRIDGELAND RESOURCES, LLC | Los Angeles County, CA | Oil & Gas Property | Jun 2025 |
| 2069 | LEASE BY BRUCE A. HOLMES | Kern County, CA | Oil & Gas Property | Oct 2004 |
| 2070 | LEASE BY CALIFORNIA RESOURCES | Kern County, CA | Oil & Gas Property | May 2026 |
| 2071 | LEASE BY CALIFORNIA RESOURCES | Kern County, CA | Oil & Gas Property | Jan 2009 |
| 2072 | LEASE BY CALIFORNIA RESOURCES | Kern County, CA | Oil & Gas Property | May 2026 |
| 2073 | LEASE BY CALIFORNIA RESOURCES | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 2074 | LEASE BY CALIFORNIA RESOURCES ELK HILLS, LLC | Kern County, CA | Oil & Gas Property | May 2026 |
| 2075 | LEASE BY CALIFORNIA RESOURCES ELK HILLS, LLC | Kern County, CA | Oil & Gas Property | May 2026 |
| 2076 | LEASE BY CALIFORNIA RESOURCES LONG BEACH, INC | Los Angeles County, CA | Oil & Gas Property | May 2026 |
| 2077 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | May 2026 |
| 2078 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | Jun 2002 |
| 2079 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kings County, CA | Oil & Gas Property | Jun 2023 |
| 2080 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil Property | May 2026 |
| 2081 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kings County, CA | Oil & Gas Property | May 2026 |
| 2082 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | Nov 1987 |
| 2083 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | Dec 2002 |
| 2084 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | May 2026 |
| 2085 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | May 2026 |
| 2086 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | Jul 1992 |
| 2087 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION | Kern County, CA | Oil & Gas Property | May 2026 |
| 2088 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION 3 | Kern County, CA | Oil & Gas Property | May 2026 |
| 2089 | LEASE BY CALIFORNIA RESOURCES PRODUCTION CORPORATION 34 | Kern County, CA | Oil & Gas Property | Jul 1989 |
| 2090 | LEASE BY CALNRG OPERATING, LLC | Ventura County, CA | Oil & Gas Property | May 2026 |
| 2091 | LEASE BY CALNRG OPERATING, LLC 1 | Ventura County, CA | Oil & Gas Property | Jan 1987 |
| 2092 | LEASE BY CHAMBERS & MOUREN | Fresno County, CA | Oil & Gas Property | Apr 2026 |
| 2093 | LEASE BY CHEVRON U.S.A. INC | Fresno County, CA | Oil & Gas Property | May 2026 |
| 2094 | LEASE BY CHEVRON U.S.A. INC | Kern County, CA | Oil & Gas Property | Mar 1991 |
| 2095 | LEASE BY CHEVRON U.S.A. INC | Orange County, CA | Oil & Gas Property | Jun 1998 |
| 2096 | LEASE BY CHEVRON U.S.A. INC | Los Angeles County, CA | Oil & Gas Property | Jul 1987 |
| 2097 | LEASE BY CHEVRON U.S.A. INC | Fresno County, CA | Oil & Gas Property | Mar 2012 |
| 2098 | LEASE BY CHEVRON U.S.A. INC | Kern County, CA | Oil Property | Nov 2000 |
| 2099 | LEASE BY CHEVRON U.S.A. INC | Kings County, CA | Oil & Gas Property | Sep 2007 |
| 2100 | LEASE BY CHEVRON U.S.A. INC | Fresno County, CA | Oil & Gas Property | Jun 2017 |