4,208 wells across 125 recorded operators, with 0 drilling permits filed in the 24-month window at summary refresh.
Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
Quick answer: The Pierre -Niobrara formation in Colorado has 4,208 wells on record across 125 recorded operators, with 0 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Evergreen Natural Resources LLC, Ogris Operating LLC, Pioneer Natural Resources, High River Resources Operating LLC and Evergreen Operating. Source: Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The operators with the most well counts targeting the Pierre -Niobrara formation in Colorado:
| # | Operator | Wells in Pierre -Niobrara |
|---|---|---|
| 1 | Evergreen Natural Resources LLC | 2,505 |
| 2 | Ogris Operating LLC | 536 |
| 3 | Pioneer Natural Resources | 232 |
| 4 | High River Resources Operating LLC | 149 |
| 5 | Evergreen Operating | 107 |
| 6 | Petroglyph Operating Company | 80 |
| 7 | Tep Rocky Mountain | 65 |
| 8 | Xto Energy | 56 |
| 9 | Red River Ranch Holdings | 51 |
| 10 | Cedar Ridge | 44 |
The Colorado counties with the most Pierre -Niobrara activity:
Las Animas, Huerfano
The Pierre -Niobrara is not among the Colorado formations tracked separately in the yearly permit mix, so only statewide permit counts are shown.
| Year | State permits | This formation | Share | Median lateral |
|---|---|---|---|---|
| 2026 | 604 | — | — | — |
| 2025 | 696 | — | — | — |
| 2024 | 862 | — | — | — |
| 2023 | 902 | — | — | — |
| 2022 | 1,044 | — | — | — |
| 2021 | 517 | — | — | — |
| 2020 | 958 | — | — | — |
| 2019 | 1,637 | — | — | — |
Share of each year’s Colorado drilling permits by target formation, for the formations with the most permits.
| Year | Muddy J Sand | Denver Basin | Mesaverde | Piceance Basin | San Juan Basin | Las Vegas - Raton Basin |
|---|---|---|---|---|---|---|
| 2026 | 16.2% | 69.5% | — | 6.8% | 1.7% | 1.2% |
| 2025 | 16.8% | 64.1% | 3.3% | 11.5% | 2.4% | 0.7% |
| 2024 | 15.3% | 64.6% | 2% | 12.3% | 1.6% | 1.2% |
| 2023 | 22.1% | 56.8% | 5.7% | 8.5% | 4.8% | 1.1% |
| 2022 | 37.1% | 32.5% | 8.3% | 9.5% | 7.7% | 0.5% |
| 2021 | 65.6% | — | 26.1% | — | 4.8% | 0.6% |
| 2020 | 88.4% | 0.6% | 10.5% | — | — | — |
| 2019 | 85.1% | 0.4% | 10.8% | 0.2% | 0.6% | — |
Buckhead Energy computes every figure on this page from grouped records in public oil and gas data. The page shows counts, sums, percentiles and indexes only; it does not list individual wells, leases or permits.
Counts under 3 wells and percentiles under 5 wells are withheld; totals are floors.
Share is the formation’s permits as a percent of the state’s permits that year. Median lateral length is published only when at least 5 permits stand behind it.
Last computed: 2026-11-01. These figures are informational only and are not a valuation of any mineral or royalty interest.
The Pierre -Niobrara is a formation/play group recorded in Colorado, with 4,208 wells on file across 125 distinct operators of record. Operators have filed 0 drilling permits targeting the Pierre -Niobrara in the 24-month window at summary refresh. These are stored records, not a live measure of drilling.
Recorded formation activity provides regional context. It does not establish ownership, future production, royalty payments or a value for an individual tract. Consult qualified professionals about your specific interest.
4,208 wells target the Pierre -Niobrara in Colorado, worked by 125 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The Pierre -Niobrara operators with the most wells on record in Colorado are Evergreen Natural Resources LLC, Ogris Operating LLC, Pioneer Natural Resources, High River Resources Operating LLC and Evergreen Operating. The full ranking is in the table on this page. Formation summary date: 2026-11-01.
Operators filed 0 drilling permits targeting the Pierre -Niobrara in the 24-month window at source refresh, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
Operators filed 0 new drilling permits targeting the Pierre -Niobrara in Colorado in the 24-month window at source refresh. New permits and spuds record reported activity stages; they do not establish ongoing drilling, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
Pierre -Niobrara activity in Colorado includes 4,208 wells on record and 125 recorded operators, with 0 drilling permits filed in the 24-month window at source refresh — from Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The primary counties recorded for Pierre -Niobrara in Colorado are Las Animas, Huerfano. Formation summary date: 2026-11-01.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. This page is informational only, not a valuation. Formation summary date: 2026-11-01.
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Get Your Free Written OfferFormation: Pierre -Niobrara
State: Colorado
Total wells: 4,208
Recorded operators: 125
Permits 24mo: 0
Summary date: 2026-11-01
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