| 3301 | NEW ELK | Las Animas County, CO | Gas Property | Jan 2026 |
| 3302 | NEWBANKS | Yuma County, CO | Gas Property | Jan 2026 |
| 3303 | NEWBY | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3304 | NEWBY STATE | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3305 | NEWLANDER | Adams County, CO | Oil & Gas Property | Jan 2026 |
| 3306 | NEWMAN | Baca County, CO | Gas Property | Nov 2023 |
| 3307 | NEWNAM 2 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3308 | NEWTON | Rio Blanco County, CO | Oil & Gas Property | Jun 2019 |
| 3309 | NEWTON | Yuma County, CO | Oil & Gas Property | Jan 2026 |
| 3310 | NEWTON ASSOC | Rio Blanco County, CO | Oil & Gas Property | Sep 2020 |
| 3311 | NICHOLS | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 3312 | NICHOLS | Mesa County, CO | Oil & Gas Property | Jan 2026 |
| 3313 | NICHOLS | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3314 | NICHOLS | Morgan County, CO | Oil & Gas Property | Sep 2021 |
| 3315 | NICHOLS FEDERAL 0994-24 | Mesa County, CO | Oil & Gas Property | Jan 2026 |
| 3316 | NICK SEKICH | Weld County, CO | Oil & Gas Property | Dec 2014 |
| 3317 | NICKERSON | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 3318 | NIELSEN | Archuleta County, CO | Oil & Gas Property | Apr 2024 |
| 3319 | NILES | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3320 | NILES MILLER 20 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3321 | NISHIMOTO | Weld County, CO | Oil & Gas Property | May 2021 |
| 3322 | NLW CONN CREEK | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3323 | NO WORRIES PC G14-6 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3324 | NO. DOUGLAS CREEK-FEDERAL | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 3325 | NOBLE | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3326 | NOBLE ST 5X-HNB-05-03-68 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3327 | NOCKS | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3328 | NOCO ENERGIE | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 3329 | NOCO LC25-7 | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 3330 | NOFFSINGER | Weld County, CO | Oil & Gas Property | Jan 2023 |
| 3331 | NOFFSINGER | Weld County, CO | Oil & Gas Property | Sep 2025 |
| 3332 | NOFFSINGER 35-1 | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 3333 | NOLTE | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3334 | NORCROSS A | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3335 | NORDEN | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3336 | NORDMAN | Elbert County, CO | Oil & Gas Property | Jan 2026 |
| 3337 | NORDSTROM | Broomfield County, CO | Oil & Gas Property | Jul 2019 |
| 3338 | NORGREN | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 3339 | NORRENE | Cheyenne County, CO | Oil & Gas Property | Jan 2026 |
| 3340 | NORRIS | Weld County, CO | Oil & Gas Property | Nov 2020 |
| 3341 | NORRIS | Weld County, CO | Oil & Gas Property | Nov 2020 |
| 3342 | NORTH | Adams County, CO | Oil & Gas Property | Jan 2026 |
| 3343 | NORTH BANK | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3344 | NORTH CAR | Archuleta County, CO | Gas Property | Jan 2026 |
| 3345 | NORTH CAR | Archuleta County, CO | Gas Property | Jan 2026 |
| 3346 | NORTH COLORADO | Adams County, CO | Oil & Gas Property | Sep 2017 |
| 3347 | NORTH DRAGON TRAIL | Rio Blanco County, CO | Gas Property | Jan 2026 |
| 3348 | NORTH FORK RANCH 1 | Las Animas County, CO | Gas Property | Jan 2026 |
| 3349 | NORTH LOST CREEK 1 | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 3350 | NORTH NAVAJO | Cheyenne County, CO | Oil & Gas Property | Dec 2025 |
| 3351 | NORTH PLATTE | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 3352 | NORTH PLATTE | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 3353 | NORTH PLATTE FEDERAL | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 3354 | NORTH QUEBEC | Adams County, CO | Oil & Gas Property | Feb 2024 |
| 3355 | NORTH RINN | Weld County, CO | Oil & Gas Property | Mar 2023 |
| 3356 | NORTHGLENN STATE | Weld County, CO | Oil & Gas Property | Apr 2024 |
| 3357 | NORTHLIGHT | Larimer County, CO | Oil & Gas Property | Jan 2026 |
| 3358 | NORTHRUP | Weld County, CO | Oil & Gas Property | May 2018 |
| 3359 | NORTHWEST | Broomfield County, CO | Oil & Gas Property | Jan 2026 |
| 3360 | NORTHWEST ARAPAHOE | Cheyenne County, CO | Oil & Gas Property | Jan 2026 |
| 3361 | NORTHWEST CEDAR HILL 32-1 | La Plata County, CO | Oil & Gas Property | Jan 2026 |
| 3362 | NORTON | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3363 | NOVACEK | Weld County, CO | Oil & Gas Property | Feb 2017 |
| 3364 | NPR 1 | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3365 | NPR 2 | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3366 | NPR H15 | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3367 | NPR O04 | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3368 | NRC 1 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3369 | NRC 2 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3370 | NRC 3 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3371 | NRC 4 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3372 | NUGENT LD06-6 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3373 | NUGGET UNIT | Washington County, CO | Oil Property | Aug 2017 |
| 3374 | NVEGA | Mesa County, CO | Oil & Gas Property | Jan 2026 |
| 3375 | NW ARAPAHOE U | Cheyenne County, CO | Oil & Gas Property | Jan 2026 |
| 3376 | NW CEDAR HILL 32-10 1 | La Plata County, CO | Gas Property | Jan 2026 |
| 3377 | NW GRAYLIN D-SAND UNIT | Logan County, CO | Oil & Gas Property | Dec 2014 |
| 3378 | NWAU | Cheyenne County, CO | Gas Property | Jan 2026 |
| 3379 | NYGREN | Weld County, CO | Oil & Gas Property | Dec 2024 |
| 3380 | O. LUEKING | Yuma County, CO | Gas Property | Jan 2026 |
| 3381 | OCHO LD 17-3 | Adams County, CO | Oil & Gas Property | Jan 2026 |
| 3382 | OCHSNER | Weld County, CO | Oil & Gas Property | Jan 2023 |
| 3383 | OCOMA | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 3384 | OCOMA | Weld County, CO | Oil & Gas Property | Dec 2016 |
| 3385 | OCOMA B | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 3386 | OCOMA UPRR LEASE B | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 3387 | ODELL | Yuma County, CO | Gas Property | Jan 2026 |
| 3388 | ODELL | Yuma County, CO | Oil & Gas Property | Jan 2026 |
| 3389 | ODENBAUGH | Weld County, CO | Oil & Gas Property | Jul 2022 |
| 3390 | ODLE BB1 | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 3391 | OESTMAN | Yuma County, CO | Gas Property | Aug 2022 |
| 3392 | OGRADY | Weld County, CO | Oil & Gas Property | Nov 2017 |
| 3393 | OHARE | Weld County, CO | Oil & Gas Property | Jan 2022 |
| 3394 | OJB 15 | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3395 | OKAGAWA | Garfield County, CO | Oil & Gas Property | Jan 2026 |
| 3396 | OLANDER | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 3397 | OLANDER | Weld County, CO | Oil & Gas Property | May 2018 |
| 3398 | OLDLAND | Rio Blanco County, CO | Oil & Gas Property | Aug 2008 |
| 3399 | OLGUIN | La Plata County, CO | Gas Property | Jan 2026 |
| 3400 | OLIN | Weld County, CO | Oil & Gas Property | May 2020 |