| 6201 | SIOUX STATELINE | Niobrara County, WY | Oil Property | Jan 2007 |
| 6202 | SIOUX TRAIL 1 | Divide County, ND | Oil & Gas Property | May 2026 |
| 6203 | SIOUX TRAIL 160-101-1 | Divide County, ND | Oil & Gas Property | May 2026 |
| 6204 | SIOUX TRAIL 160-101-3 | Divide County, ND | Oil & Gas Property | May 2026 |
| 6205 | SIOUX-FEDERAL | Cheyenne County, NE | Oil Property | Dec 2025 |
| 6206 | SIPAPU | Glasscock County, TX | Oil & Gas Property | Apr 2026 |
| 6207 | SIPAPU 246 A | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 6208 | SIPES | Stafford County, KS | Oil Property | Feb 2026 |
| 6209 | SIPES | Stafford County, KS | Oil Property | Dec 2025 |
| 6210 | SIPES ETAL | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 6211 | SIPES, C.D | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 6212 | SIPPEL 01 0 | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 6213 | SIPPLE | Chautauqua County, KS | Oil Property | Dec 2025 |
| 6214 | SIPPLE, ELIZABETH | Lee County, KY | Oil Property | Dec 2005 |
| 6215 | SIPTAK EF UNIT | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 6216 | SIR BARTON 4 S | Culberson County, TX | Oil & Gas Property | Apr 2026 |
| 6217 | SIR KEGIAN | Los Angeles County, CA | Oil Property | Mar 1992 |
| 6218 | SIREN UNIT 36-48 | Borden County, TX | Oil & Gas Property | Mar 2026 |
| 6219 | SIRES | Terry County, TX | Oil & Gas Property | Apr 2026 |
| 6220 | SIRIOS BROTHERS | Weld County, CO | Oil & Gas Property | Sep 2015 |
| 6221 | SIRIUS | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 6222 | SIRIUS 17 FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 6223 | SIROKY | Pratt County, KS | Oil & Gas Property | Feb 2026 |
| 6224 | SISCO | Seminole County, OK | Oil & Gas Property | Mar 2026 |
| 6225 | SISK | Wichita County, TX | Oil & Gas Property | Apr 2026 |
| 6226 | SISK 40 ACRES | Matagorda County, TX | Oil Property | Mar 2026 |
| 6227 | SISKO | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 6228 | SISLER | Stark County, OH | Oil & Gas Property | Dec 2022 |
| 6229 | SISLER | Tulsa County, OK | Oil Property | Nov 2025 |
| 6230 | SISSIE FIFE | Okmulgee County, OK | Oil & Gas Property | Sep 2019 |
| 6231 | SISSIE LEE | Creek County, OK | Oil Property | Apr 2026 |
| 6232 | SISSON | Van Buren County, AR | Gas Property | Jul 2024 |
| 6233 | SISSON | Montgomery County, KS | Gas Property | Jul 2024 |
| 6234 | SISSON | Woods County, OK | Oil & Gas Property | Mar 2026 |
| 6235 | SISSON | Kimball County, NE | Oil & Gas Property | Oct 2025 |
| 6236 | SISSON | Gallia County, OH | Oil & Gas Property | Dec 2025 |
| 6237 | SISSY 1 | Hughes County, OK | Gas Property | Mar 2026 |
| 6238 | SISTER FED | Johnson County, WY | Oil & Gas Property | Apr 2026 |
| 6239 | SISTERS | Barber County, KS | Oil & Gas Property | Feb 2026 |
| 6240 | SISTERS | Lipscomb County, TX | Oil & Gas Property | Feb 2021 |
| 6241 | SISTERS | Nolan County, TX | Oil & Gas Property | Dec 2020 |
| 6242 | SISTERS | Ellis County, KS | Oil Property | Sep 2025 |
| 6243 | SISTERS 17 | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 6244 | SISTERS OF MERCY | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6245 | SISTI EAST UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 6246 | SISTI UNIT A | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 6247 | SISTI WEST UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 6248 | SITES | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 6249 | SITES | Glasscock County, TX | Oil & Gas Property | Apr 2026 |
| 6250 | SITES | Beckham County, OK | Oil & Gas Property | Mar 2025 |
| 6251 | SITES | Logan County, AR | Gas Property | Jun 2024 |
| 6252 | SITKA 149-93 06A-3H TF | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 6253 | SITKA BSI STATE COM | Lea County, NM | Oil & Gas Property | May 2026 |
| 6254 | SITLA | Carbon County, UT | Gas Property | May 2026 |
| 6255 | SITLER | Okmulgee County, OK | Oil & Gas Property | Jul 2025 |
| 6256 | SITTA, R. E., ETAL | Hardeman County, TX | Oil & Gas Property | Sep 2021 |
| 6257 | SITTER | Wheeler County, TX | Oil & Gas Property | Apr 2026 |
| 6258 | SITTIN DUCK | Stephens County, TX | Oil & Gas Property | Apr 2026 |
| 6259 | SITTING BULL | Antrim County, MI | Gas Property | Dec 2020 |
| 6260 | SITTING BULL UNIT | Tarrant County, TX | Oil & Gas Property | Apr 2026 |
| 6261 | SITTNER | Rice County, KS | Oil Property | Nov 2025 |
| 6262 | SITTNER | Stafford County, KS | Oil Property | Feb 2026 |
| 6263 | SITTNER | Stafford County, KS | Oil & Gas Property | Feb 2026 |
| 6264 | SITTNER | Rice County, KS | Oil Property | Jan 2026 |
| 6265 | SITTON | Beaver County, OK | Oil & Gas Property | May 2025 |
| 6266 | SITTON | Palo Pinto County, TX | Oil & Gas Property | Apr 2026 |
| 6267 | SITTON 01-13 | La Plata County, CO | Gas Property | Mar 2026 |
| 6268 | SITTON FEDERAL | La Plata County, CO | Gas Property | Mar 2026 |
| 6269 | SITTON GU 1 | Nacogdoches County, TX | Oil & Gas Property | Apr 2026 |
| 6270 | SITTS | Kingman County, KS | Oil & Gas Property | Feb 2026 |
| 6271 | SITZ | Ellis County, KS | Oil Property | Feb 2026 |
| 6272 | SITZ UNIT | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 6273 | SITZ-DOYLE | Wise County, TX | Oil & Gas Property | May 2024 |
| 6274 | SITZ-DOYLE SITZ SOUTH | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 6275 | SITZMAN | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 6276 | SITZMAN | Weld County, CO | Oil & Gas Property | May 2017 |
| 6277 | SITZMAN | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 6278 | SITZMAN | Weld County, CO | Oil & Gas Property | Apr 2013 |
| 6279 | SIVELLS BEND | Cooke County, TX | Oil & Gas Property | Apr 2026 |
| 6280 | SIVELLS BEND UNIT (BASAL PENN) | Cooke County, TX | Oil & Gas Property | Mar 2026 |
| 6281 | SIVERS | Bradford County, PA | Gas Property | Apr 2026 |
| 6282 | SIVERTSON | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 6283 | SIVERTSON RUSH 1 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 6284 | SIVLEY FEDERAL | Eddy County, NM | Oil Property | Feb 2026 |
| 6285 | SIVLEY JENNINGS FEDERAL | Eddy County, NM | Oil Property | Jun 2011 |
| 6286 | SIX HEARTS, LTD., ET AL | Terry County, TX | Oil & Gas Property | Apr 2026 |
| 6287 | SIX, LUCY LE | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6288 | SIX, RALPH | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6289 | SIX, RALPH & BETTY JO SC | Monongalia County, WV | Gas Property | Nov 2019 |
| 6290 | SIX, RONALD | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6291 | SIX, RONALD, ET AL MCDONALD | Ritchie County, WV | Gas Property | Sep 2021 |
| 6292 | SIX-M-F | Finney County, KS | Oil Property | Feb 2026 |
| 6293 | SIX-ROOS | Duval County, TX | Oil & Gas Property | Aug 2025 |
| 6294 | SIX-WAY SYNDICATE | Geauga County, OH | Oil & Gas Property | Dec 1994 |
| 6295 | SIXES PICK | King County, TX | Oil Property | Apr 2026 |
| 6296 | SIXKILLER 7-6-0603 | McClain County, OK | Oil & Gas Property | Mar 2026 |
| 6297 | SIXTEEN GS | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 6298 | SIXTEEN PENNY NAIL 310 | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 6299 | SIXTEEN STONE 416 | Yoakum County, TX | Oil & Gas Property | Apr 2026 |
| 6300 | SIZELOVE | Beaver County, OK | Oil & Gas Property | Mar 2026 |