| 201 | MURPHY UNIT I | McMullen County, TX | Oil & Gas Property | Dec 2018 |
| 202 | MURRAY | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 203 | MUSTANG | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 204 | NAYLOR JONES | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 205 | NBR EF | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 206 | NBR EF | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 207 | NBRP EF | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 208 | NICHOLS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 209 | NICHOLS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 210 | NICHOLS MCTEE UNIT 1 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 211 | NMC EF | McMullen County, TX | Gas Property | Jan 2026 |
| 212 | OLIVEIRA | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 213 | OTTO UNIT 1H | McMullen County, TX | Gas Property | Jan 2026 |
| 214 | OTTO-WHIPPLE | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 215 | P. KYNETTE UNIT 1 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 216 | PAJARITO | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 217 | PALISADES | McMullen County, TX | Oil & Gas Property | Feb 2026 |
| 218 | PALOMA RANCH EFS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 219 | PALOMA-HORTON | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 220 | PC-Q EF | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 221 | PEACOCK | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 222 | PEELER | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 223 | PEELER RANCH MCM | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 224 | PEELER UNIT I | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 225 | PENN STELLA | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 226 | PHELAN EFS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 227 | PHZ UNIT | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 228 | PILLSBURY | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 229 | POENISCH | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 230 | POWERS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 231 | POWERS-GREEN SWAIM (SA) | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 232 | POWERS-SWAIM UNIT | McMullen County, TX | Oil Property | Dec 2025 |
| 233 | POWERS-WESLEY SWAIM (SA) E | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 234 | POWERSG-GS-WSU-WS-MWS (SA) A3 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 235 | POWERSG-WSU-WS (SA) A4 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 236 | PRINCE MCM | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 237 | PUDGE | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 238 | PUDGE DAVIS | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 239 | Q KIEL EFS | McMullen County, TX | Oil & Gas Property | Nov 2025 |
| 240 | Q-BALLARD EFS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 241 | Q-JCB-A | McMullen County, TX | Oil & Gas Property | Aug 2025 |
| 242 | QUINTANILLA | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 243 | QUINTANILLA | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 244 | QUINTANILLA | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 245 | QUINTANILLA | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 246 | R. A. BRACKEN | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 247 | R. BRACKEN | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 248 | RABKE | McMullen County, TX | Oil Property | Dec 2025 |
| 249 | RABKE-MASPERO | McMullen County, TX | Oil Property | Dec 2025 |
| 250 | RALPH | McMullen County, TX | Oil & Gas Property | Jul 2013 |
| 251 | RALPH EDWARDS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 252 | RANCHO LAGO VISTA | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 253 | RANCHO TRES HIJOS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 254 | RHODE | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 255 | RIVER LOWE RANCH | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 256 | ROOS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 257 | ROOS LORENE WILLIS | McMullen County, TX | Oil & Gas Property | Mar 1994 |
| 258 | RUTHERFORD W. C | McMullen County, TX | Oil & Gas Property | Oct 2025 |
| 259 | RYAN | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 260 | RYAN ISLAND | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 261 | SAN MIGUEL | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 262 | SAYLEE SOUTH | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 263 | SBR 1 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 264 | SBR 2 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 265 | SBR 3 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 266 | SBR 4 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 267 | SBR 5 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 268 | SBR 6 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 269 | SBR 7 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 270 | SBR 8 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 271 | SBR 9 | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 272 | SBR A | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 273 | SBR B | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 274 | SCARBOROUGH | McMullen County, TX | Oil & Gas Property | Apr 2025 |
| 275 | SCHUPP DAVIS | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 276 | SCOTT FOUNDATION | McMullen County, TX | Oil & Gas Property | Oct 2025 |
| 277 | SCREAMING EAGLE A | McMullen County, TX | Oil & Gas Property | Mar 2024 |
| 278 | SHANNON EFS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 279 | SHANNON-TYLER RANCH EFS | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 280 | SHELBY C | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 281 | SHELL SHOCK UNIT | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 282 | SHENKIR H | McMullen County, TX | Oil & Gas Property | Oct 2022 |
| 283 | SHIRE | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 284 | SIDDONS OL | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 285 | SILVERADO | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 286 | SILVERADO RANCH MCM | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 287 | SMITH | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 288 | SMITH-WEST UNIT | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 289 | SMR EW EF | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 290 | SMR JV EF | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 291 | SOUTH TEXAS SYN | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 292 | SPICE GAS UNIT | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 293 | SR RYAN UNIT 1H | McMullen County, TX | Gas Property | Jan 2026 |
| 294 | STARBRIGHT | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 295 | STARLIGHT UNIT | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 296 | STELLA PENN | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 297 | STEPHEN YBAR | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 298 | STING RAY A | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 299 | STORM | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 300 | STS 1 | McMullen County, TX | Oil & Gas Property | Jan 2026 |