| 66201 | JWR 1 | Tuscaloosa County, AL | Gas Property | Sep 2023 |
| 66202 | JWR 1 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66203 | JWR 2 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66204 | JWR 2 | Tuscaloosa County, AL | Gas Property | Mar 2018 |
| 66205 | JWR 25-1 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66206 | JWR 3 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66207 | JWR 30-1 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66208 | JWR 32 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66209 | JWR 5 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66210 | JWR 9 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66211 | JWR-TAURUS-92-2 | Tuscaloosa County, AL | Gas Property | May 2026 |
| 66212 | JWS DL COOK | Campbell County, WY | Gas Property | Dec 2013 |
| 66213 | JWS FED | Campbell County, WY | Gas Property | Dec 2010 |
| 66214 | JWS-SBAR | Campbell County, WY | Gas Property | Jun 2026 |
| 66215 | JWT 11-34 | Bowman County, ND | Oil & Gas Property | May 2026 |
| 66216 | JX RANCH UNIT | Dimmit County, TX | Oil & Gas Property | May 2026 |
| 66217 | JY RANCH | Haskell County, TX | Oil & Gas Property | Jun 2014 |
| 66218 | JZM 1 | Weld County, CO | Oil & Gas Property | May 2026 |
| 66219 | JZM 2 | Weld County, CO | Oil & Gas Property | May 2026 |
| 66220 | JZM 3 | Weld County, CO | Oil & Gas Property | May 2026 |
| 66221 | JZM 4 | Weld County, CO | Oil & Gas Property | May 2026 |
| 66222 | K & B KING | Sandusky County, OH | Oil & Gas Property | Dec 2025 |
| 66223 | K & H FEE 2042 | Webb County, TX | Oil & Gas Property | May 2026 |
| 66224 | K & J MOORE | Carter County, OK | Oil & Gas Property | Feb 2026 |
| 66225 | K A SPAULDING | Noble County, OK | Oil & Gas Property | Jul 1995 |
| 66226 | K A SUTTON FEDERAL 5300 24-15T | Williams County, ND | Oil & Gas Property | May 2026 |
| 66227 | K B WALTER | Beckham County, OK | Oil & Gas Property | May 2026 |
| 66228 | K BAR | Montague County, TX | Oil & Gas Property | Mar 2013 |
| 66229 | K BIRD | Upton County, TX | Oil & Gas Property | May 2026 |
| 66230 | K C CATTLE | Custer County, OK | Oil & Gas Property | Apr 2026 |
| 66231 | K C CATTLE | Custer County, OK | Oil & Gas Property | May 2026 |
| 66232 | K C CATTLE | Beckham County, OK | Oil & Gas Property | May 2026 |
| 66233 | K C CATTLE | Roger Mills County, OK | Oil & Gas Property | Apr 2026 |
| 66234 | K CRISSMAN | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 66235 | K D BOLTON ETAL | Lafourche Parish, LA | Oil & Gas Property | Apr 2023 |
| 66236 | K D LANKFORD | Union Parish, LA | Gas Property | Dec 2000 |
| 66237 | K D LANKFORD | Union Parish, LA | Gas Property | Nov 2024 |
| 66238 | K D LANKFORD | Union Parish, LA | Gas Property | Dec 2024 |
| 66239 | K DESELMS 17-64-24-13 | Laramie County, WY | Oil & Gas Property | Jun 2026 |
| 66240 | K F VAIL | Lafourche Parish, LA | Oil & Gas Property | Feb 1995 |
| 66241 | K FARM | Payne County, OK | Oil & Gas Property | Apr 2026 |
| 66242 | K G WILBERT | Iberville Parish, LA | Oil & Gas Property | Apr 2021 |
| 66243 | K HAHN UNIT A | Dewitt County, TX | Oil & Gas Property | May 2026 |
| 66244 | K J MCCRACKEN ET AL | Indiana County, PA | Gas Property | Dec 2025 |
| 66245 | K K RHOADS | Caddo Parish, LA | Oil Property | Jan 2025 |
| 66246 | K LEIKER | Ellis County, KS | Oil Property | Feb 2026 |
| 66247 | K LOOMIS | Warren County, PA | Oil Property | Dec 2019 |
| 66248 | K M A SOUTHWEST EXTENSION UNIT | Wichita County, TX | Oil & Gas Property | May 2026 |
| 66249 | K MINICH | Clarion County, PA | Gas Property | Dec 2025 |
| 66250 | K NICHOLS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 66251 | K NOBLE | Creek County, OK | Oil Property | Apr 2026 |
| 66252 | K R 00 | San Juan County, NM | Gas Property | May 2026 |
| 66253 | K R HARRIS | Haskell County, OK | Gas Property | Apr 2026 |
| 66254 | K RANCH LOS COMPADRES UNIT | McMullen County, TX | Oil & Gas Property | May 2026 |
| 66255 | K RICHARD | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 66256 | K RUST | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 66257 | K SHICK | Clarion County, PA | Gas Property | Dec 2025 |
| 66258 | K SOUTH-PETERSON USW A | Karnes County, TX | Oil & Gas Property | May 2026 |
| 66259 | K STOCKHOLM | Susquehanna County, PA | Gas Property | May 2026 |
| 66260 | K WALLACE 4-11-6 | Harrison County, OH | Oil & Gas Property | Mar 2026 |
| 66261 | K WASHINGTON | Creek County, OK | Oil & Gas Property | Apr 2026 |
| 66262 | K&H 1647 | Webb County, TX | Oil & Gas Property | Apr 2020 |
| 66263 | K&H FEE | Webb County, TX | Oil & Gas Property | May 2026 |
| 66264 | K&J/PO | Cambria County, PA | Gas Property | Dec 2025 |
| 66265 | K-BAR | Campbell County, WY | Gas Property | Sep 2012 |
| 66266 | K-BAR CS STATE | Campbell County, WY | Gas Property | Jan 2013 |
| 66267 | K-BAR STATE | Campbell County, WY | Oil & Gas Property | May 2026 |
| 66268 | K-NAN FARMS | Rogers County, OK | Gas Property | Dec 2016 |
| 66269 | K-T FORESTRY | Bell County, KY | Oil & Gas Property | Dec 2023 |
| 66270 | K. BROWN | Stevens County, KS | Oil & Gas Property | Mar 2026 |
| 66271 | K. BROWN | Eastland County, TX | Oil & Gas Property | May 2026 |
| 66272 | K. D. W-76330 33 | Campbell County, WY | Oil Property | Jun 2026 |
| 66273 | K. FELLERS | Alfalfa County, OK | Oil & Gas Property | Mar 2010 |
| 66274 | K. H. REIMER | Haskell County, KS | Oil & Gas Property | Sep 2007 |
| 66275 | K. HAHN-CILIBRAISE USW | Dewitt County, TX | Oil & Gas Property | May 2026 |
| 66276 | K. KOHLLEPPEL | Medina County, TX | Oil & Gas Property | May 2026 |
| 66277 | K. L. BURG | Finney County, KS | Oil Property | Mar 2026 |
| 66278 | K. R. 1-14 | Stark County, ND | Oil & Gas Property | May 2026 |
| 66279 | K. R. BRACKEN | McMullen County, TX | Oil & Gas Property | May 2026 |
| 66280 | K. THORSON 159-94-7A-1 | Burke County, ND | Oil & Gas Property | May 2026 |
| 66281 | K. U. ENDOWMENT | Rooks County, KS | Oil Property | Mar 2025 |
| 66282 | K. URBANOVSKY 136 | Burleson County, TX | Oil & Gas Property | May 2026 |
| 66283 | K.C.L. 1 | Kern County, CA | Oil Property | Jun 2026 |
| 66284 | K.C.L. A | Kern County, CA | Oil & Gas Property | Feb 2024 |
| 66285 | K.C.L. B | Kern County, CA | Oil & Gas Property | Feb 2024 |
| 66286 | K.C.L. COAL OIL CANYON | Kern County, CA | Oil & Gas Property | Nov 2008 |
| 66287 | K.C.L. D | Kern County, CA | Oil & Gas Property | Oct 2023 |
| 66288 | K.C.L. D | Kern County, CA | Oil & Gas Property | Jan 2012 |
| 66289 | K.C.L. G | Kern County, CA | Oil & Gas Property | Oct 2016 |
| 66290 | K.EVANS UNIT | Harper County, OK | Oil & Gas Property | Jun 2025 |
| 66291 | K.M. RANCH | Zavala County, TX | Oil & Gas Property | Oct 2024 |
| 66292 | K.N. & L.P. HAPGOOD | Clay County, TX | Oil & Gas Property | May 2026 |
| 66293 | K.P. FARMS 27 | Kern County, CA | Oil & Gas Property | Jan 2024 |
| 66294 | K.POUND | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 66295 | K.SIERRA | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 66296 | K14A HULL | Panola County, TX | Gas Property | May 2026 |
| 66297 | K2 01N | Weld County, CO | Oil & Gas Property | May 2026 |
| 66298 | K2 02N | Weld County, CO | Oil & Gas Property | May 2026 |
| 66299 | K2 03N | Weld County, CO | Oil & Gas Property | May 2026 |
| 66300 | K2 04N | Weld County, CO | Oil & Gas Property | May 2026 |