| 2501 | KELL 35 | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 2502 | KELLER | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 2503 | KELLER | Weld County, CO | Oil & Gas Property | May 2019 |
| 2504 | KELLER | Yuma County, CO | Gas Property | Jan 2026 |
| 2505 | KELLER CATTLE | Yuma County, CO | Gas Property | Jan 2026 |
| 2506 | KELLER FEDERAL | Yuma County, CO | Gas Property | Jan 2026 |
| 2507 | KELLY 34-1 | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 2508 | KELLY FARMS | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 2509 | KELSALL | La Plata County, CO | Gas Property | Jan 2026 |
| 2510 | KELTON | Adams County, CO | Oil & Gas Property | Sep 2021 |
| 2511 | KELTON WGV | Garfield County, CO | Gas Property | Jan 2026 |
| 2512 | KENDRICK 3 | La Plata County, CO | Gas Property | Jan 2026 |
| 2513 | KENNEDY | La Plata County, CO | Oil & Gas Property | Jul 2013 |
| 2514 | KENNEDY | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2515 | KENNEDY | Las Animas County, CO | Gas Property | Oct 2024 |
| 2516 | KENNEDY | Weld County, CO | Oil & Gas Property | Nov 2022 |
| 2517 | KENNEDY A | La Plata County, CO | Gas Property | Jan 2026 |
| 2518 | KENNEDY STATE | Phillips County, CO | Gas Property | Aug 2022 |
| 2519 | KENYON | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 2520 | KEOWN STATE | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2521 | KERBS | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2522 | KERBS | Weld County, CO | Oil & Gas Property | Feb 2017 |
| 2523 | KERBS | Yuma County, CO | Gas Property | Jan 2026 |
| 2524 | KERN | Weld County, CO | Oil & Gas Property | May 2021 |
| 2525 | KERN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2526 | KERN | Cheyenne County, CO | Gas Property | Aug 2005 |
| 2527 | KERN | Cheyenne County, CO | Oil & Gas Property | Jan 2026 |
| 2528 | KERN GW | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2529 | KERR | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2530 | KERR-MCGEE | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 2531 | KERRIGAN 32-6-2 | Archuleta County, CO | Gas Property | Jan 2026 |
| 2532 | KERRY | Lincoln County, CO | Oil & Gas Property | Dec 2025 |
| 2533 | KETO | Weld County, CO | Oil & Gas Property | Feb 2018 |
| 2534 | KETTL | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 2535 | KEVIN LC26-7 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2536 | KG TRUST | La Plata County, CO | Gas Property | Jan 2026 |
| 2537 | KGA 1 | Yuma County, CO | Gas Property | Jan 2026 |
| 2538 | KGA 2 | Yuma County, CO | Gas Property | Jan 2026 |
| 2539 | KHAKI CAMPBELL | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2540 | KIDD LD22-7 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2541 | KIEFER GEORGE W U | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2542 | KILDOW | Weld County, CO | Oil & Gas Property | Aug 2022 |
| 2543 | KIMBALL CREEK | Mesa County, CO | Oil & Gas Property | Jan 2026 |
| 2544 | KIMBALL MTN DH02-6 B07 799 | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 2545 | KINCHELOE | Washington County, CO | Oil Property | Jun 2025 |
| 2546 | KINDSFATER | Weld County, CO | Oil & Gas Property | Oct 2025 |
| 2547 | KING | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2548 | KING | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 2549 | KING 3-65 28 | Adams County, CO | Oil & Gas Property | Jan 2026 |
| 2550 | KING-PYLES | Kiowa County, CO | Oil Property | Sep 2025 |
| 2551 | KINSMAN | Weld County, CO | Oil & Gas Property | Sep 2024 |
| 2552 | KINZER | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 2553 | KIRBY | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 2554 | KIRBY ROBERTSON | Rio Blanco County, CO | Gas Property | Jan 2026 |
| 2555 | KIRBY-EIDSON | Rio Blanco County, CO | Gas Property | Jan 2026 |
| 2556 | KIRCHENSCHLAGER | Yuma County, CO | Gas Property | Jan 2026 |
| 2557 | KIRK-L | Logan County, CO | Oil Property | Feb 2026 |
| 2558 | KIRKMEYER | Weld County, CO | Oil & Gas Property | May 2022 |
| 2559 | KISER | Yuma County, CO | Gas Property | Jan 2026 |
| 2560 | KISSLER | Weld County, CO | Oil & Gas Property | Mar 2024 |
| 2561 | KISSLER | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 2562 | KISSLER-AMEN | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 2563 | KITELEY | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2564 | KITZMILLER | Yuma County, CO | Gas Property | Jan 2026 |
| 2565 | KIWI 292 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2566 | KIYOTA | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2567 | KLAENHAMMER | Moffat County, CO | Oil & Gas Property | Aug 2025 |
| 2568 | KLAUSNER | Weld County, CO | Oil & Gas Property | Jul 2022 |
| 2569 | KLEIN | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2570 | KLEIN | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2571 | KLEIN | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2572 | KLEIN (LANYARD EXTENSION) | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2573 | KLEPPER | Cheyenne County, CO | Oil Property | Jan 2026 |
| 2574 | KLIE | Cheyenne County, KS | Gas Property | Jan 2026 |
| 2575 | KLINGINSMITH | Weld County, CO | Oil Property | Apr 2014 |
| 2576 | KLINZMAN | Yuma County, CO | Gas Property | Jan 2026 |
| 2577 | KLINZMANN | Yuma County, CO | Gas Property | Jan 2026 |
| 2578 | KLOEFKORN | Washington County, CO | Oil Property | Jan 2026 |
| 2579 | KLUSMAN | La Plata County, CO | Gas Property | Jan 2026 |
| 2580 | KM DH | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 2581 | KNAPP | Yuma County, CO | Gas Property | Jan 2026 |
| 2582 | KNAUB | Weld County, CO | Oil & Gas Property | May 2017 |
| 2583 | KNAUB | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2584 | KNAUS | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 2585 | KNIEVEL | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 2586 | KNIGHT | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 2587 | KNIGHT | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 2588 | KNIGHT | La Plata County, CO | Gas Property | Jan 2026 |
| 2589 | KNIGHT D | La Plata County, CO | Gas Property | Jan 2026 |
| 2590 | KNIGHT E | La Plata County, CO | Gas Property | Jan 2026 |
| 2591 | KNODEL | Yuma County, CO | Gas Property | Jan 2026 |
| 2592 | KNOWLTON | Moffat County, CO | Oil Property | Jan 2026 |
| 2593 | KNOX | Mesa County, CO | Oil & Gas Property | Jan 2026 |
| 2594 | KNOX | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 2595 | KNUDSEN | Logan County, CO | Oil Property | Dec 2025 |
| 2596 | KODAK | Weld County, CO | Oil & Gas Property | Oct 2025 |
| 2597 | KODAK NORTH FD 2 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2598 | KODAK SOUTH | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2599 | KOEHLER | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 2600 | KOENIG | Yuma County, CO | Gas Property | Jan 2026 |