| 66201 | KAINER UNIT | Fayette County, TX | Oil & Gas Property | Jan 2025 |
| 66202 | KAISER | Custer County, OK | Oil & Gas Property | Feb 2025 |
| 66203 | KAISER | Hughes County, OK | Oil & Gas Property | Jun 2010 |
| 66204 | KAISER | Santa Barbara County, CA | Oil Property | Aug 1983 |
| 66205 | KAISER | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 66206 | KAISER | Rice County, KS | Oil Property | Dec 2024 |
| 66207 | KAISER | Barton County, KS | Oil Property | Oct 2024 |
| 66208 | KAISER | Ellis County, OK | Oil & Gas Property | Jan 2025 |
| 66209 | KAISER | Rush County, KS | Gas Property | Apr 2024 |
| 66210 | KAISER | Marion County, KS | Gas Property | Dec 2019 |
| 66211 | KAISER | Ventura County, CA | Oil & Gas Property | Dec 2024 |
| 66212 | KAISER | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 66213 | KAISER | Ellis County, KS | Oil Property | Apr 1991 |
| 66214 | KAISER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 66215 | KAISER | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 66216 | KAISER | Phillips County, KS | Oil Property | Nov 2024 |
| 66217 | KAISER | Bay County, MI | Oil Property | Dec 2009 |
| 66218 | KAISER | Phillips County, KS | Oil Property | Dec 2024 |
| 66219 | KAISER | Washington County, OK | Oil Property | Jan 2025 |
| 66220 | KAISER HOMES | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 66221 | KAISER JUNIOR UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 66222 | KAISER LAKE | Eddy County, NM | Oil & Gas Property | Sep 1995 |
| 66223 | KAISER SENIOR | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 66224 | KAISER STATE | Lea County, NM | Oil & Gas Property | Dec 2014 |
| 66225 | KAISER UNIT | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 66226 | KAISER VAUGH | Custer County, OK | Oil & Gas Property | Feb 2025 |
| 66227 | KAISER-FRANCIS CARTER W.H. D | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 66228 | KAITLIN FEDERAL 5693 41-28B | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 66229 | KAITLYN | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 66230 | KAITLYN | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 66231 | KAITLYN 158-93-30-31-4 | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 66232 | KAJANCA | Gray County, TX | Oil & Gas Property | Jan 2025 |
| 66233 | KAKER | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 66234 | KAKER 1 | Lipscomb County, TX | Oil & Gas Property | Jan 2025 |
| 66235 | KAKER GUSSIE | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 66236 | KAKER HEIRS 1H | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 66237 | KAL BAR 1 | Toole County, MT | Oil Property | Nov 2023 |
| 66238 | KALAHARI 1-4-33XH | McClain County, OK | Oil & Gas Property | Jan 2025 |
| 66239 | KALB/HAY | Douglas County, KS | Oil Property | Dec 2024 |
| 66240 | KALBAR FEE | Toole County, MT | Oil Property | Feb 2025 |
| 66241 | KALBFLEISCH | Toole County, MT | Gas Property | Apr 2024 |
| 66242 | KALCEVIC | Washington County, CO | Oil Property | Dec 2021 |
| 66243 | KALCEVIC | Arapahoe County, CO | Oil & Gas Property | May 2018 |
| 66244 | KALCEVIC | Adams County, CO | Oil & Gas Property | May 2019 |
| 66245 | KALDAHL | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 66246 | KALDAHL | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 66247 | KALDAHL 34X-11C | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 66248 | KALDOR | Belmont County, OH | Oil & Gas Property | Dec 2024 |
| 66249 | KALE 26-18-6 | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 66250 | KALE BAD BRAVE 19-18H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 66251 | KALE JEFF | Anderson County, TX | Oil & Gas Property | Dec 2024 |
| 66252 | KALEB 5501 12-1B | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 66253 | KALEIGH DAWN | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 66254 | KALER | Ness County, KS | Oil Property | Dec 2024 |
| 66255 | KALER FEE | Cooke County, TX | Oil & Gas Property | Dec 2024 |
| 66256 | KALER FEE | Cooke County, TX | Oil & Gas Property | Nov 1999 |
| 66257 | KALFSBEEK | Colusa County, CA | Gas Property | May 1990 |
| 66258 | KALI FED 3671-16 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 66259 | KALI STATE 24-25-28 | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 66260 | KALI STATE 25-24-28 | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 66261 | KALIE | Westmoreland County, PA | Gas Property | Dec 2024 |
| 66262 | KALIL 25-36 | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 66263 | KALIL FARMS 14-23 1-H | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 66264 | KALINOWSKI | Bradford County, PA | Gas Property | Feb 2025 |
| 66265 | KALISPELL-KEVIN | Toole County, MT | Oil Property | Feb 2015 |
| 66266 | KALISPELL-KEVIN | Toole County, MT | Oil & Gas Property | Oct 2017 |
| 66267 | KALIVODA | Kingman County, KS | Oil & Gas Property | Dec 2024 |
| 66268 | KALKA | Carson County, TX | Gas Property | Jan 2025 |
| 66269 | KALLINA | Colorado County, TX | Oil & Gas Property | Jan 2025 |
| 66270 | KALLINA | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 66271 | KALLSEN | Adams County, CO | Oil & Gas Property | Dec 2023 |
| 66272 | KALLSEN | Denver County, CO | Oil & Gas Property | May 2018 |
| 66273 | KALLSEN 15-0 | Adams County, CO | Oil & Gas Property | Sep 2018 |
| 66274 | KALLUS 34-39 A UNIT | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 66275 | KALMBACH | De Soto Parish, LA | Oil & Gas Property | Jan 2025 |
| 66276 | KALMBACH | Saginaw County, MI | Oil Property | Dec 2024 |
| 66277 | KALOA | Tyonek Quadrangle, AK | Gas Property | Apr 2017 |
| 66278 | KALP 1 | Westmoreland County, PA | Gas Property | Nov 2015 |
| 66279 | KALSU | Dewey County, OK | Oil & Gas Property | Jan 2025 |
| 66280 | KALTENBACH | Butler County, PA | Oil Property | Dec 2016 |
| 66281 | KALTENBACH | Greenwood County, KS | Oil & Gas Property | Sep 1993 |
| 66282 | KAMAL E YOUSSEF | Indiana County, PA | Gas Property | Dec 2024 |
| 66283 | KAMAS | Woods County, OK | Oil & Gas Property | Feb 2025 |
| 66284 | KAMAS | Beaver County, OK | Oil & Gas Property | Jan 2025 |
| 66285 | KAMBER 1 | Pratt County, KS | Oil Property | Dec 2024 |
| 66286 | KAMELL | Hood County, TX | Oil & Gas Property | Jan 2025 |
| 66287 | KAMIKAZE 5-8 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 66288 | KAMINSKA 3 | Montgomery County, KS | Gas Property | Jun 2024 |
| 66289 | KAMINSKY UNIT | Westmoreland County, PA | Gas Property | Feb 2025 |
| 66290 | KAMLA | Yuma County, CO | Gas Property | Feb 2025 |
| 66291 | KAMM | Caddo County, OK | Oil & Gas Property | Jan 2025 |
| 66292 | KAMM FARMS | Coshocton County, OH | Oil Property | Dec 2005 |
| 66293 | KAMMERDIENER | Armstrong County, PA | Gas Property | Dec 2024 |
| 66294 | KAMMERER | Wilson County, KS | Oil & Gas Property | Dec 2024 |
| 66295 | KAMMERZELL | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 66296 | KAMMERZELL | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 66297 | KAMP | Beaver County, OK | Oil & Gas Property | Jan 2025 |
| 66298 | KAMPERMAN | Hughes County, OK | Gas Property | Jan 2025 |
| 66299 | KAMPF | Ashtabula County, OH | Oil & Gas Property | Dec 2019 |
| 66300 | KAMPFHENKEL | Nueces County, TX | Oil & Gas Property | Mar 2024 |