| 1801 | MISSION | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1802 | MISSION | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1803 | MISSION | Kern County, CA | Oil & Gas Property | Oct 1989 |
| 1804 | MISSOURI | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1805 | MITCHEL | Kern County, CA | Oil Property | Dec 2025 |
| 1806 | MITCHEL | Kern County, CA | Oil & Gas Property | Feb 1989 |
| 1807 | MITCHEL | Kern County, CA | Oil & Gas Property | Jun 2010 |
| 1808 | MITCHELL | Kern County, CA | Oil Property | Oct 2025 |
| 1809 | MITCHELL | Kern County, CA | Oil & Gas Property | Dec 1990 |
| 1810 | MITCHELL | Kern County, CA | Oil Property | Dec 2023 |
| 1811 | MITCHELL | Kern County, CA | Oil Property | Feb 1988 |
| 1812 | MITCHELL | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1813 | MITCHELL ENERGY CORP | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1814 | MITCHELL FEE | Fresno County, CA | Oil Property | Apr 1988 |
| 1815 | MJ/SL LINE WELL | Glenn County, CA | Gas Property | Dec 2025 |
| 1816 | MJM&M-JEPPI | Kern County, CA | Oil Property | Dec 2025 |
| 1817 | MOBIL B | Kern County, CA | Oil & Gas Property | Jul 2004 |
| 1818 | MOBIL-STERN | Orange County, CA | Oil & Gas Property | Nov 1985 |
| 1819 | MOCAL | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1820 | MOCO | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1821 | MOELLER | Kern County, CA | Oil Property | Dec 2025 |
| 1822 | MOFFAT | Madera County, CA | Gas Property | Oct 2012 |
| 1823 | MOHAWK LAYMAN | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1824 | MOHAWK-BOLTZEN-HUNTER | San Joaquin County, CA | Gas Property | Sep 2007 |
| 1825 | MOHAWK-IMPERIAL | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1826 | MON 1 | Kern County, CA | Oil Property | Dec 2025 |
| 1827 | MON 2 | Kern County, CA | Oil Property | Dec 2025 |
| 1828 | MONARCH | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1829 | MONCKTON | Yolo County, CA | Gas Property | Jun 2008 |
| 1830 | MONETA | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1831 | MONGOOSE | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1832 | MONTE CRISTO | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1833 | MONTE CRISTO NO | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1834 | MONTEBELLO | Los Angeles County, CA | Oil & Gas Property | Feb 2004 |
| 1835 | MONTEREY | Los Angeles County, CA | Oil & Gas Property | Jul 2018 |
| 1836 | MONTEREY | Kern County, CA | Oil & Gas Property | Mar 2019 |
| 1837 | MONTGOMERY | Kern County, CA | Oil & Gas Property | Jan 1991 |
| 1838 | MOOR | Kern County, CA | Oil Property | Feb 1990 |
| 1839 | MOORE | Los Angeles County, CA | Oil & Gas Property | Oct 1999 |
| 1840 | MOORE | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1841 | MORALES CANYON | San Luis Obispo County, CA | Oil & Gas Property | May 2015 |
| 1842 | MORE | Santa Barbara County, CA | Oil & Gas Property | Dec 2025 |
| 1843 | MOREHOUSE | San Luis Obispo County, CA | Oil & Gas Property | Sep 2024 |
| 1844 | MORESCO | Solano County, CA | Oil & Gas Property | Jul 2005 |
| 1845 | MORETTI | Santa Barbara County, CA | Oil & Gas Property | Dec 2019 |
| 1846 | MORGAN | Kern County, CA | Oil Property | Mar 1990 |
| 1847 | MORGAN | Tehama County, CA | Gas Property | Sep 1986 |
| 1848 | MORGANTI | Santa Barbara County, CA | Oil & Gas Property | Dec 2025 |
| 1849 | MORONI | Sutter County, CA | Gas Property | Jun 2012 |
| 1850 | MORRIS | Colusa County, CA | Gas Property | Dec 2025 |
| 1851 | MORRIS USL | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1852 | MORSE | Orange County, CA | Oil & Gas Property | Apr 2021 |
| 1853 | MORTENSEN | Santa Barbara County, CA | Oil & Gas Property | Nov 1988 |
| 1854 | MOTT | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1855 | MOUND FARMS | Yolo County, CA | Gas Property | Jan 1994 |
| 1856 | MOVIUS | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1857 | MT. DIABLO | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1858 | MUIR | Kern County, CA | Oil Property | Aug 2004 |
| 1859 | MULHOLLAND | Los Angeles County, CA | Oil & Gas Property | Mar 2001 |
| 1860 | MULLANEY | Kern County, CA | Oil & Gas Property | Aug 2024 |
| 1861 | MURPHY | Santa Barbara County, CA | Oil & Gas Property | Jul 1994 |
| 1862 | MURPHY | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1863 | MURPHY | Los Angeles County, CA | Oil & Gas Property | Aug 1991 |
| 1864 | MURPHY FEE | Kern County, CA | Oil Property | May 1984 |
| 1865 | MURPHY-COYOTE | Orange County, CA | Oil & Gas Property | May 1995 |
| 1866 | MURPHY-WHITTIER | Los Angeles County, CA | Oil & Gas Property | Nov 1991 |
| 1867 | MURVALE-TIDEWATER 5 | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1868 | MUSHRUSH | Kern County, CA | Oil & Gas Property | Nov 2013 |
| 1869 | N-3-C S | Los Angeles County, CA | Oil & Gas Property | Nov 2010 |
| 1870 | N. CROSSROADS | Yolo County, CA | Gas Property | Jun 2006 |
| 1871 | N. L. & F. 0 | Ventura County, CA | Oil & Gas Property | Dec 2025 |
| 1872 | N. L. & F. 1 | Ventura County, CA | Oil & Gas Property | Dec 2025 |
| 1873 | N. L. & F. 2 | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1874 | N. L. & F. 3 | Ventura County, CA | Oil & Gas Property | Dec 2025 |
| 1875 | N. L. & F. 9-20 | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1876 | N. L. & F. B | Los Angeles County, CA | Oil & Gas Property | Oct 1987 |
| 1877 | N. L. & F. U-1 | Ventura County, CA | Oil Property | Jan 1992 |
| 1878 | N. L. & F. W | Ventura County, CA | Oil & Gas Property | Dec 2025 |
| 1879 | N.C.C. 1 | Fresno County, CA | Oil & Gas Property | Sep 2013 |
| 1880 | N.C.C. 3 | Fresno County, CA | Oil & Gas Property | Aug 2003 |
| 1881 | NACIREMA | Kern County, CA | Oil & Gas Property | Aug 2019 |
| 1882 | NAKAMURA | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 1883 | NANCE | Kern County, CA | Oil & Gas Property | Nov 2004 |
| 1884 | NANCE BLINN | Los Angeles County, CA | Oil Property | Dec 2021 |
| 1885 | NAPLES | Los Angeles County, CA | Oil & Gas Property | Aug 1998 |
| 1886 | NARANJAL | Orange County, CA | Oil & Gas Property | Dec 2025 |
| 1887 | NATIONAL | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1888 | NATIONAL DEVELOPMENT-MERZOIAN | Tulare County, CA | Oil & Gas Property | Dec 2025 |
| 1889 | NATIONAL OIL | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1890 | NATOMAS I.O.C | Yolo County, CA | Gas Property | Feb 2003 |
| 1891 | NCL 83-29 | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1892 | NCT-1 | Kern County, CA | Oil & Gas Property | May 2025 |
| 1893 | NCT-2 | Kern County, CA | Oil & Gas Property | May 2025 |
| 1894 | NEEDHAM | Los Angeles County, CA | Oil & Gas Property | Jan 1993 |
| 1895 | NEEDHAM-BLOEMER | Kern County, CA | Oil Property | Oct 2021 |
| 1896 | NEELY | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 1897 | NELLIE P. WALKER UNIT | Tehama County, CA | Gas Property | Jun 1987 |
| 1898 | NESBITT | Ventura County, CA | Oil & Gas Property | Nov 2025 |
| 1899 | NEVADA | Fresno County, CA | Oil Property | Jan 2000 |
| 1900 | NEVADA | Kern County, CA | Oil & Gas Property | Dec 2025 |