| 1 | S. MCLEAN | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 2 | S. P. SCAMARDO-SEILEVCO L UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 3 | SADBERRY-FOYT UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 4 | SANDERS | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 5 | SANDERS-CASH | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 6 | SCAMARDO | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 7 | SCAMARDO HCX | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 8 | SCAMARDO, JONATHAN PAUL UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 9 | SCAMARDO-COTROPIA UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 10 | SCARPINATO-REISTINO UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 11 | SCHROEDER | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 12 | SCREAMING EAGLE | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 13 | SHIPPER GAS UNIT | Robertson County, TX | Oil & Gas Property | Jun 2018 |
| 14 | SIMMONS | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 15 | SIMPSON LEWIS | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 16 | SMITH C C 1 | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 17 | SOUTHWORTH | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 18 | SPINNERS | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 19 | SPRING VALLEY RANCH | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 20 | STATE-COTROPIA UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 21 | STEAKLEY GAS UNIT | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 22 | STEELE GAS UNIT | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 23 | STEGALL GAS UNIT NO | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 24 | SUBLETT | Robertson County, TX | Oil & Gas Property | Jun 2015 |
| 25 | SULLIVAN R. GAS UNIT | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 26 | SVR B | Robertson County, TX | Oil & Gas Property | Jan 2025 |