| 66201 | K.C.CATTLE | Custer County, OK | Oil & Gas Property | Jan 2025 |
| 66202 | K.C.L. 1 | Kern County, CA | Oil Property | Dec 2024 |
| 66203 | K.C.L. A | Kern County, CA | Oil & Gas Property | Feb 2024 |
| 66204 | K.C.L. B | Kern County, CA | Oil & Gas Property | Feb 2024 |
| 66205 | K.C.L. COAL OIL CANYON | Kern County, CA | Oil & Gas Property | Nov 2008 |
| 66206 | K.C.L. D | Kern County, CA | Oil & Gas Property | Oct 2023 |
| 66207 | K.C.L. D | Kern County, CA | Oil & Gas Property | Jan 2012 |
| 66208 | K.C.L. G | Kern County, CA | Oil & Gas Property | Oct 2016 |
| 66209 | K.EVANS UNIT | Harper County, OK | Oil & Gas Property | Jan 2025 |
| 66210 | K.M. RANCH | Zavala County, TX | Oil & Gas Property | Oct 2024 |
| 66211 | K.N. & L.P. HAPGOOD | Clay County, TX | Oil & Gas Property | Jan 2025 |
| 66212 | K.P. FARMS 27 | Kern County, CA | Oil & Gas Property | Jan 2024 |
| 66213 | K.POUND | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 66214 | K2 01N | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 66215 | K2 02N | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 66216 | K2 03N | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 66217 | K2 04N | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 66218 | K2 05N | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 66219 | K2 25 | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 66220 | K2 HOLDINGS | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 66221 | KABA | Rooks County, KS | Oil Property | Dec 2024 |
| 66222 | KABA | Rooks County, KS | Oil Property | Aug 2003 |
| 66223 | KABANUCK | Bottineau County, ND | Oil & Gas Property | Jan 2019 |
| 66224 | KABLER | Pittsburg County, OK | Gas Property | Oct 2022 |
| 66225 | KACHEL FAMILY | Beaver County, OK | Oil & Gas Property | Jan 2025 |
| 66226 | KACHELMAN | Stafford County, KS | Oil Property | Dec 2024 |
| 66227 | KACHINA | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 66228 | KACIREK | Rawlins County, KS | Oil Property | Dec 2024 |
| 66229 | KACZAK | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 66230 | KACZAR | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 66231 | KADAU | Cowley County, KS | Oil Property | Dec 2024 |
| 66232 | KADAV | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 66233 | KADEN TTT 11-25H | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 66234 | KADERLI | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 66235 | KADRMAS | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 66236 | KADRMAS | Stark County, ND | Oil & Gas Property | Feb 2025 |
| 66237 | KADRMAS 11-27H | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 66238 | KADRMAS 41-1H | Billings County, ND | Oil & Gas Property | Feb 2025 |
| 66239 | KADRMAS FEDERAL | Stark County, ND | Oil & Gas Property | Feb 2025 |
| 66240 | KAECHELE | Colorado County, TX | Oil & Gas Property | Jan 2025 |
| 66241 | KAEGI | McPherson County, KS | Oil Property | Dec 2024 |
| 66242 | KAEGI 'B' | McPherson County, KS | Oil Property | Dec 2024 |
| 66243 | KAEL | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 66244 | KAELBLING MARIANNE | Knox County, OH | Oil & Gas Property | Dec 2023 |
| 66245 | KAERCHER | Hill County, MT | Gas Property | Nov 2017 |
| 66246 | KAF UNIT | Wilson County, TX | Oil & Gas Property | Aug 2017 |
| 66247 | KAFKA | Hill County, MT | Gas Property | Jan 2025 |
| 66248 | KAGG | Grimes County, TX | Oil & Gas Property | Jan 2025 |
| 66249 | KAH DES PAH | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 66250 | KAHLBAU MITCHELL | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 66251 | KAHLE | Kay County, OK | Oil & Gas Property | Jan 2025 |
| 66252 | KAHLE | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 66253 | KAHLE | Clarion County, PA | Gas Property | Dec 2024 |
| 66254 | KAHLE | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 66255 | KAHLE | Clarion County, PA | Oil & Gas Property | Dec 2020 |
| 66256 | KAHLE, MELVIN W. & CAROL | Ohio County, WV | Oil & Gas Property | Dec 2021 |
| 66257 | KAHLER, C | Barry County, MI | Oil Property | Jan 2025 |
| 66258 | KAHN | Carter County, OK | Oil Property | Jan 2025 |
| 66259 | KAHRIG | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 66260 | KAHRIG UNIT | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 66261 | KAI 16 | Richland County, MT | Oil & Gas Property | Jan 2025 |
| 66262 | KAI FED 3671-36-25 | Converse County, WY | Oil & Gas Property | Jan 2025 |
| 66263 | KAIANDER M | Arenac County, MI | Oil Property | Feb 2025 |
| 66264 | KAIBAB TRAIL | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 66265 | KAIL UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 66266 | KAIME | Rio Arriba County, NM | Oil & Gas Property | Jan 2025 |
| 66267 | KAIME FEDERAL | La Plata County, CO | Gas Property | Feb 2025 |
| 66268 | KAIN | Frio County, TX | Oil & Gas Property | Jan 2025 |
| 66269 | KAIN GU 1 | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 66270 | KAINER | Wharton County, TX | Oil & Gas Property | Jan 2025 |
| 66271 | KAINER | Karnes County, TX | Oil & Gas Property | Oct 2016 |
| 66272 | KAINER UNIT | Fayette County, TX | Oil & Gas Property | Jan 2025 |
| 66273 | KAISER | Custer County, OK | Oil & Gas Property | Feb 2025 |
| 66274 | KAISER | Hughes County, OK | Oil & Gas Property | Jun 2010 |
| 66275 | KAISER | Santa Barbara County, CA | Oil Property | Aug 1983 |
| 66276 | KAISER | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 66277 | KAISER | Rice County, KS | Oil Property | Dec 2024 |
| 66278 | KAISER | Barton County, KS | Oil Property | Oct 2024 |
| 66279 | KAISER | Ellis County, OK | Oil & Gas Property | Jan 2025 |
| 66280 | KAISER | Rush County, KS | Gas Property | Apr 2024 |
| 66281 | KAISER | Marion County, KS | Gas Property | Dec 2019 |
| 66282 | KAISER | Ventura County, CA | Oil & Gas Property | Dec 2024 |
| 66283 | KAISER | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 66284 | KAISER | Ellis County, KS | Oil Property | Apr 1991 |
| 66285 | KAISER | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 66286 | KAISER | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 66287 | KAISER | Phillips County, KS | Oil Property | Nov 2024 |
| 66288 | KAISER | Bay County, MI | Oil Property | Dec 2009 |
| 66289 | KAISER | Phillips County, KS | Oil Property | Dec 2024 |
| 66290 | KAISER | Washington County, OK | Oil Property | Jan 2025 |
| 66291 | KAISER HOMES | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 66292 | KAISER JUNIOR UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 66293 | KAISER LAKE | Eddy County, NM | Oil & Gas Property | Sep 1995 |
| 66294 | KAISER SENIOR | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 66295 | KAISER STATE | Lea County, NM | Oil & Gas Property | Dec 2014 |
| 66296 | KAISER UNIT | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 66297 | KAISER VAUGH | Custer County, OK | Oil & Gas Property | Feb 2025 |
| 66298 | KAISER-FRANCIS CARTER W.H. D | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 66299 | KAITLIN FEDERAL 5693 41-28B | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 66300 | KAITLYN | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |