| 2401 | SANTA CLARA AVENUE UNIT | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2402 | SANTA FE | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2403 | SANTA FE | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 2404 | SANTA FE ENERGY KCL-10 | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2405 | SANTA PAULA | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2406 | SANTA SUSANA | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2407 | SANTIAGO | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2408 | SANTIAGO CREEK | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2409 | SARAH FAYE | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2410 | SARDCO | Riverside County, CA | Oil & Gas Property | Feb 1993 |
| 2411 | SARGENT | Santa Clara County, CA | Oil & Gas Property | Mar 2025 |
| 2412 | SARGENT FEE | Santa Barbara County, CA | Oil & Gas Property | Apr 1988 |
| 2413 | SARRETT | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2414 | SATICOY | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2415 | SAUER DOUGH | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2416 | SAVAGE | Los Angeles County, CA | Oil Property | Sep 1991 |
| 2417 | SAWYER & REID | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2418 | SCARLETT | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2419 | SCHENONE | Alameda County, CA | Oil & Gas Property | Jan 2022 |
| 2420 | SCHIEFERLE | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2421 | SCHILLING | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 2422 | SCHISLER | Los Angeles County, CA | Oil Property | Dec 1993 |
| 2423 | SCHOLLE-LIVINGSTON | Ventura County, CA | Oil & Gas Property | Mar 2013 |
| 2424 | SCHONAUER | Glenn County, CA | Gas Property | Nov 1985 |
| 2425 | SCLU | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2426 | SCOC | Orange County, CA | Oil & Gas Property | Feb 2025 |
| 2427 | SCOTT | San Luis Obispo County, CA | Oil & Gas Property | Mar 1990 |
| 2428 | SCT 1 | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2429 | SCT 2 | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2430 | SEA BREEZE | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2431 | SEABOARD-SAUNDERS | Kern County, CA | Oil & Gas Property | Dec 2021 |
| 2432 | SEAHAWK | Kern County, CA | Oil Property | Jan 2016 |
| 2433 | SEALE | Kern County, CA | Oil & Gas Property | Dec 2023 |
| 2434 | SEBU T | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2435 | SEC 26 | Kern County, CA | Oil Property | Mar 2025 |
| 2436 | SEC. 24 | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2437 | SEC. 25 | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2438 | SEC. 30 | Kern County, CA | Oil Property | Feb 2025 |
| 2439 | SEC. 5 | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2440 | SECTION | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2441 | SECTION | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2442 | SECTION | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2443 | SECTION | Glenn County, CA | Gas Property | Mar 2025 |
| 2444 | SECTION 3 | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2445 | SECTION SEVEN | Fresno County, CA | Oil & Gas Property | Mar 2025 |
| 2446 | SECURITY | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2447 | SECURITY | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2448 | SECURITY FEE | Santa Barbara County, CA | Oil & Gas Property | Mar 2025 |
| 2449 | SECURITY-MIDWAY | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2450 | SEENO-SCOTT | Contra Costa County, CA | Gas Property | Jul 1995 |
| 2451 | SEIFERT | San Joaquin County, CA | Gas Property | Mar 2025 |
| 2452 | SELTZER | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2453 | SENATOR | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2454 | SENCE | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2455 | SENECA | Fresno County, CA | Oil & Gas Property | Mar 2025 |
| 2456 | SENTINEL | Kern County, CA | Oil Property | Nov 2016 |
| 2457 | SENTOUS | Los Angeles County, CA | Oil & Gas Property | Mar 1979 |
| 2458 | SEPULVEDA | Los Angeles County, CA | Oil & Gas Property | May 2024 |
| 2459 | SESAME | Kern County, CA | Oil Property | Feb 2020 |
| 2460 | SESKAYDEN-SESNON | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2461 | SESNON | Contra Costa County, CA | Oil & Gas Property | Jun 1981 |
| 2462 | SESNON | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2463 | SESNON FEE | Los Angeles County, CA | Oil & Gas Property | May 2018 |
| 2464 | SEVERINI | Kern County, CA | Oil Property | Feb 2025 |
| 2465 | SEWARD-RIDEOUT | Los Angeles County, CA | Oil & Gas Property | Mar 2025 |
| 2466 | SEYMOUR | Kern County, CA | Oil & Gas Property | Jan 1988 |
| 2467 | SHALE | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2468 | SHALE RIDGE | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2469 | SHAMROCK | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2470 | SHAPIRO | Kern County, CA | Oil Property | Mar 2025 |
| 2471 | SHAW | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2472 | SHAW-NEVES | Kern County, CA | Oil Property | Feb 2025 |
| 2473 | SHAWMUT | Fresno County, CA | Oil & Gas Property | Mar 2025 |
| 2474 | SHEEHAN | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 2475 | SHEEP SPRINGS | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2476 | SHELL | Kern County, CA | Oil Property | Feb 2025 |
| 2477 | SHELL-OHIO KCL-A | Kern County, CA | Oil Property | Jul 1989 |
| 2478 | SHELL-STANDARD | Santa Barbara County, CA | Oil & Gas Property | Feb 2018 |
| 2479 | SHEPPARD | Los Angeles County, CA | Oil Property | Mar 1988 |
| 2480 | SHERMAN | Fresno County, CA | Oil & Gas Property | Dec 2017 |
| 2481 | SHIELDS | Kern County, CA | Oil & Gas Property | Jun 2020 |
| 2482 | SHIELLS | Ventura County, CA | Oil & Gas Property | Mar 2025 |
| 2483 | SHLAUDEMAN | San Luis Obispo County, CA | Oil & Gas Property | Feb 2012 |
| 2484 | SHOSHONE | Yolo County, CA | Gas Property | Mar 2010 |
| 2485 | SIEGFUS | Kern County, CA | Oil & Gas Property | Oct 2013 |
| 2486 | SIEMON | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2487 | SIGNAL | San Luis Obispo County, CA | Oil & Gas Property | Mar 2025 |
| 2488 | SIGNAL | Los Angeles County, CA | Oil & Gas Property | Feb 2025 |
| 2489 | SIGNAL | Kern County, CA | Oil Property | Oct 2017 |
| 2490 | SIGNET | San Joaquin County, CA | Gas Property | Jan 2006 |
| 2491 | SILL | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2492 | SILL | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 2493 | SILLER | Sutter County, CA | Gas Property | Dec 2008 |
| 2494 | SILVA | Tehama County, CA | Gas Property | Feb 1999 |
| 2495 | SILVER CREEK | Fresno County, CA | Oil & Gas Property | Dec 1987 |
| 2496 | SIMMONS | Los Angeles County, CA | Oil & Gas Property | Oct 1989 |
| 2497 | SIMSON | Glenn County, CA | Gas Property | Jun 2014 |
| 2498 | SINCLAIR | Monterey County, CA | Oil & Gas Property | Feb 2019 |
| 2499 | SIR KEGIAN | Los Angeles County, CA | Oil Property | Mar 1992 |
| 2500 | SIZU | Ventura County, CA | Oil & Gas Property | Mar 2025 |