| 2401 | KELLER | Weld County, CO | Oil & Gas Property | May 2019 |
| 2402 | KELLER | Yuma County, CO | Gas Property | Feb 2024 |
| 2403 | KELLER CATTLE | Yuma County, CO | Gas Property | Feb 2024 |
| 2404 | KELLER FEDERAL | Yuma County, CO | Gas Property | Feb 2024 |
| 2405 | KELLY 34-1 | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 2406 | KELLY FARMS | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 2407 | KELSALL | La Plata County, CO | Gas Property | Feb 2024 |
| 2408 | KELTON | Adams County, CO | Oil & Gas Property | Sep 2021 |
| 2409 | KENNEDY | La Plata County, CO | Oil & Gas Property | Jun 2013 |
| 2410 | KENNEDY | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2411 | KENNEDY | Las Animas County, CO | Gas Property | Feb 2023 |
| 2412 | KENNEDY | Weld County, CO | Oil & Gas Property | Sep 2022 |
| 2413 | KENNEDY STATE | Phillips County, CO | Gas Property | Aug 2022 |
| 2414 | KENYON | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 2415 | KEOWN STATE | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2416 | KERBS | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2417 | KERBS | Weld County, CO | Oil & Gas Property | Feb 2017 |
| 2418 | KERBS | Yuma County, CO | Gas Property | Feb 2024 |
| 2419 | KERN | Weld County, CO | Oil & Gas Property | May 2021 |
| 2420 | KERN | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2421 | KERN | Cheyenne County, CO | Gas Property | Aug 2005 |
| 2422 | KERN | Cheyenne County, CO | Oil & Gas Property | Feb 2024 |
| 2423 | KERN GW | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2424 | KERR | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2425 | KERR-MCGEE | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 2426 | KERRI LC26-76 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2427 | KERRIGAN 32-6-2 | Archuleta County, CO | Gas Property | Feb 2024 |
| 2428 | KERRY | Lincoln County, CO | Oil & Gas Property | Feb 2024 |
| 2429 | KETO | Weld County, CO | Oil & Gas Property | Feb 2018 |
| 2430 | KETTL | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2431 | KEVIN LC26-7 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2432 | KGA 1 | Yuma County, CO | Gas Property | Feb 2024 |
| 2433 | KGA 2 | Yuma County, CO | Gas Property | Feb 2024 |
| 2434 | KHAKI CAMPBELL | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2435 | KIDD LD22-7 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2436 | KIEFER GEORGE W U | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 2437 | KILDOW | Weld County, CO | Oil & Gas Property | Aug 2022 |
| 2438 | KIMBALL CREEK | Mesa County, CO | Oil & Gas Property | Jan 2024 |
| 2439 | KIMBALL MTN DH02-6 B07 799 | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 2440 | KINCHELOE | Washington County, CO | Oil Property | Feb 2024 |
| 2441 | KINDSFATER | Weld County, CO | Oil & Gas Property | Sep 2023 |
| 2442 | KING | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2443 | KING | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 2444 | KING 3-65 28 | Adams County, CO | Oil & Gas Property | Feb 2024 |
| 2445 | KING-PYLES | Kiowa County, CO | Oil Property | Jul 2023 |
| 2446 | KINSMAN | Weld County, CO | Oil & Gas Property | Oct 2022 |
| 2447 | KINZER | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 2448 | KIRBY | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 2449 | KIRBY ROBERTSON | Rio Blanco County, CO | Gas Property | Feb 2024 |
| 2450 | KIRBY-EIDSON | Rio Blanco County, CO | Gas Property | Feb 2024 |
| 2451 | KIRCHENSCHLAGER | Yuma County, CO | Gas Property | Feb 2024 |
| 2452 | KIRK-L | Logan County, CO | Oil Property | Feb 2024 |
| 2453 | KIRKMEYER | Weld County, CO | Oil & Gas Property | May 2022 |
| 2454 | KISER | Yuma County, CO | Gas Property | Feb 2024 |
| 2455 | KISSLER | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 2456 | KISSLER | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 2457 | KISSLER-AMEN | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 2458 | KITELEY | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2459 | KITZMILLER | Yuma County, CO | Gas Property | Feb 2024 |
| 2460 | KIWI 292 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2461 | KIYOTA | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2462 | KLAENHAMMER | Moffat County, CO | Oil & Gas Property | Nov 2023 |
| 2463 | KLAUSNER | Weld County, CO | Oil & Gas Property | Jun 2022 |
| 2464 | KLEIN | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2465 | KLEIN | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 2466 | KLEIN | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2467 | KLEIN (LANYARD EXTENSION) | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2468 | KLEIN FEDERAL | La Plata County, CO | Gas Property | Feb 2024 |
| 2469 | KLEPPER | Cheyenne County, CO | Oil Property | Feb 2024 |
| 2470 | KLIE | Cheyenne County, KS | Gas Property | Feb 2024 |
| 2471 | KLINGINSMITH | Weld County, CO | Oil Property | Apr 2014 |
| 2472 | KLINZMAN | Yuma County, CO | Gas Property | Feb 2024 |
| 2473 | KLINZMANN | Yuma County, CO | Gas Property | Feb 2024 |
| 2474 | KLOEFKORN | Washington County, CO | Oil Property | Feb 2024 |
| 2475 | KLUSMAN | La Plata County, CO | Gas Property | Feb 2024 |
| 2476 | KM DH | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 2477 | KNAPP | Yuma County, CO | Gas Property | Feb 2024 |
| 2478 | KNAUB | Weld County, CO | Oil & Gas Property | May 2017 |
| 2479 | KNAUB | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2480 | KNAUS | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 2481 | KNIEVEL | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 2482 | KNIGHT | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2483 | KNIGHT | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 2484 | KNIGHT | La Plata County, CO | Gas Property | Feb 2024 |
| 2485 | KNIGHT D | La Plata County, CO | Gas Property | Feb 2024 |
| 2486 | KNODEL | Yuma County, CO | Gas Property | Feb 2024 |
| 2487 | KNOWLTON | Moffat County, CO | Oil Property | Mar 2024 |
| 2488 | KNOX | Mesa County, CO | Oil & Gas Property | Feb 2024 |
| 2489 | KNOX | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 2490 | KNUDSEN | Logan County, CO | Oil Property | Feb 2024 |
| 2491 | KODAK | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2492 | KODAK NORTH FD 2 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2493 | KODAK SOUTH | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 2494 | KOEHLER | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2495 | KOENIG | Yuma County, CO | Gas Property | Feb 2024 |
| 2496 | KOENIG-ASHBY | Logan County, CO | Oil Property | Feb 2024 |
| 2497 | KOESTER | Logan County, CO | Oil & Gas Property | Mar 2013 |
| 2498 | KOESTER | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 2499 | KOHLER | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 2500 | KOHLHOFF | Weld County, CO | Oil & Gas Property | Feb 2019 |