| 2601 | KILDOW | Weld County, CO | Oil & Gas Property | Aug 2022 |
| 2602 | KIMBALL CREEK | Mesa County, CO | Oil & Gas Property | Mar 2025 |
| 2603 | KIMBALL MTN DH02-6 B07 799 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 2604 | KINCHELOE | Washington County, CO | Oil Property | Dec 2024 |
| 2605 | KINDSFATER | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 2606 | KING | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 2607 | KING | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2608 | KING 22-13 | Las Animas County, CO | Gas Property | Mar 2025 |
| 2609 | KING 3-65 28 | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 2610 | KING-PYLES | Kiowa County, CO | Oil Property | Mar 2025 |
| 2611 | KINSMAN | Weld County, CO | Oil & Gas Property | Sep 2024 |
| 2612 | KINZER | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 2613 | KIRBY | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 2614 | KIRBY ROBERTSON | Rio Blanco County, CO | Gas Property | Mar 2025 |
| 2615 | KIRBY-EIDSON | Rio Blanco County, CO | Gas Property | Mar 2025 |
| 2616 | KIRCHENSCHLAGER | Yuma County, CO | Gas Property | Mar 2025 |
| 2617 | KIRK-L | Logan County, CO | Oil Property | Apr 2025 |
| 2618 | KIRKMEYER | Weld County, CO | Oil & Gas Property | May 2022 |
| 2619 | KISER | Yuma County, CO | Gas Property | Mar 2025 |
| 2620 | KISSLER | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 2621 | KISSLER | Weld County, CO | Oil & Gas Property | Mar 2024 |
| 2622 | KISSLER-AMEN | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 2623 | KITELEY | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2624 | KITZMILLER | Yuma County, CO | Gas Property | Mar 2025 |
| 2625 | KIWI 292 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2626 | KIYOTA | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2627 | KLAENHAMMER | Moffat County, CO | Oil & Gas Property | Feb 2025 |
| 2628 | KLAUSNER | Weld County, CO | Oil & Gas Property | Jul 2022 |
| 2629 | KLEIN | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 2630 | KLEIN | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 2631 | KLEIN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2632 | KLEIN (LANYARD EXTENSION) | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2633 | KLEIN FEDERAL | La Plata County, CO | Gas Property | Mar 2025 |
| 2634 | KLEPPER | Cheyenne County, CO | Oil Property | Mar 2025 |
| 2635 | KLIE | Cheyenne County, KS | Gas Property | Mar 2025 |
| 2636 | KLINGINSMITH | Weld County, CO | Oil Property | Apr 2014 |
| 2637 | KLINGON | Las Animas County, CO | Gas Property | Mar 2025 |
| 2638 | KLINZMAN | Yuma County, CO | Gas Property | Mar 2025 |
| 2639 | KLINZMANN | Yuma County, CO | Gas Property | Mar 2025 |
| 2640 | KLOEFKORN | Washington County, CO | Oil Property | Mar 2025 |
| 2641 | KLUSMAN | La Plata County, CO | Gas Property | Mar 2025 |
| 2642 | KM DH | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 2643 | KNAPP | Yuma County, CO | Gas Property | Mar 2025 |
| 2644 | KNAUB | Weld County, CO | Oil & Gas Property | May 2017 |
| 2645 | KNAUB | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2646 | KNAUS | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 2647 | KNIEVEL | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 2648 | KNIGHT | La Plata County, CO | Gas Property | Mar 2025 |
| 2649 | KNIGHT | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2650 | KNIGHT | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 2651 | KNIGHT D | La Plata County, CO | Gas Property | Mar 2025 |
| 2652 | KNIGHT E | La Plata County, CO | Gas Property | Mar 2025 |
| 2653 | KNODEL | Yuma County, CO | Gas Property | Mar 2025 |
| 2654 | KNOWLTON | Moffat County, CO | Oil Property | Apr 2025 |
| 2655 | KNOX | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 2656 | KNOX | Mesa County, CO | Oil & Gas Property | Mar 2025 |
| 2657 | KNUDSEN | Logan County, CO | Oil Property | Feb 2025 |
| 2658 | KODAK | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2659 | KODAK NORTH FD 2 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2660 | KODAK SOUTH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2661 | KOEHLER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2662 | KOENIG | Yuma County, CO | Gas Property | Mar 2025 |
| 2663 | KOENIG-ASHBY | Logan County, CO | Oil Property | Mar 2025 |
| 2664 | KOESTER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2665 | KOESTER | Logan County, CO | Oil & Gas Property | Mar 2013 |
| 2666 | KOHLER | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 2667 | KOHLHOFF | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 2668 | KOHLHOFF | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2669 | KOKOPELLI | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 2670 | KOLOA 15-22 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2671 | KONA A19-6 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2672 | KOON | La Plata County, CO | Gas Property | Mar 2025 |
| 2673 | KORF | Yuma County, CO | Gas Property | Mar 2025 |
| 2674 | KORF | Yuma County, CO | Gas Property | Mar 2025 |
| 2675 | KORF | Yuma County, CO | Gas Property | Mar 2025 |
| 2676 | KORI J 19 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 2677 | KORTUM | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 2678 | KOSHAK | La Plata County, CO | Gas Property | Mar 2025 |
| 2679 | KOSKIE-BRUMLEY DRAW | Montezuma County, CO | Oil & Gas Property | Oct 2012 |
| 2680 | KOWACH | Moffat County, CO | Oil & Gas Property | Mar 2025 |
| 2681 | KRAFT | Adams County, CO | Oil & Gas Property | May 2018 |
| 2682 | KRAGER | Weld County, CO | Oil & Gas Property | May 2015 |
| 2683 | KRAIG LC25-7 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2684 | KRAJACK 43-27 | La Plata County, CO | Gas Property | Mar 2025 |
| 2685 | KRAMER FEDERAL LC22-72 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2686 | KRAUSE | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 2687 | KREGEL | Cheyenne County, CO | Oil & Gas Property | Mar 2025 |
| 2688 | KREPS | Weld County, CO | Oil & Gas Property | Nov 2024 |
| 2689 | KREYKES 13-1 | Weld County, CO | Oil & Gas Property | Nov 2015 |
| 2690 | KRIER GV 2 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2691 | KRISS | Cheyenne County, CO | Oil & Gas Property | Apr 2025 |
| 2692 | KRK 6-1 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 2693 | KRK 7 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 2694 | KROEGER | La Plata County, CO | Oil & Gas Property | Dec 2022 |
| 2695 | KROEGER 33-9 5-1 | La Plata County, CO | Gas Property | Mar 2025 |
| 2696 | KROEGER-FERGUSON | La Plata County, CO | Oil & Gas Property | Nov 2014 |
| 2697 | KTC FARMS | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 2698 | KUETTEL | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 2699 | KUGEL | Weld County, CO | Oil & Gas Property | Sep 2018 |
| 2700 | KUGEL | Weld County, CO | Oil & Gas Property | Mar 2025 |