3,452 wells across 435 recorded operators, with 10 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 Las Animas Arch formation in Colorado has 3,452 wells on record across 435 recorded operators, with 10 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Mull Drilling Company, Anadarko Petroleum, Citation Oil & Gas, Murfin Drilling and Txo Production. 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 Las Animas Arch formation in Colorado:
| # | Operator | Wells in Las Animas Arch |
|---|---|---|
| 1 | Mull Drilling Company | 487 |
| 2 | Anadarko Petroleum | 435 |
| 3 | Citation Oil & Gas | 219 |
| 4 | Murfin Drilling | 121 |
| 5 | Txo Production | 104 |
| 6 | Strachan Exploration | 69 |
| 7 | Wiepkingfullerton Energy | 64 |
| 8 | Poandg Operating | 58 |
| 9 | Texas Oil & Gas | 57 |
| 10 | Champlin Petroleum Company | 55 |
The Colorado counties with the most Las Animas Arch activity:
Cheyenne, Kiowa, Kit Carson, Bent, Otero
The Las Animas Arch 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 Las Animas Arch is a formation/play group recorded in Colorado, with 3,452 wells on file across 435 distinct operators of record. Operators have filed 10 drilling permits targeting the Las Animas Arch 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.
3,452 wells target the Las Animas Arch in Colorado, worked by 435 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The Las Animas Arch operators with the most wells on record in Colorado are Mull Drilling Company, Anadarko Petroleum, Citation Oil & Gas, Murfin Drilling and Txo Production. The full ranking is in the table on this page. Formation summary date: 2026-11-01.
Operators filed 10 drilling permits targeting the Las Animas Arch 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 10 new drilling permits targeting the Las Animas Arch 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.
Las Animas Arch activity in Colorado includes 3,452 wells on record and 435 recorded operators, with 10 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 Las Animas Arch in Colorado are Cheyenne, Kiowa, Kit Carson, Bent, Otero. 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: Las Animas Arch
State: Colorado
Total wells: 3,452
Recorded operators: 435
Permits 24mo: 10
Summary date: 2026-11-01
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