Arnold Hc
Operator of record for 21 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: ARNOLD H C · ARNOLD* H C
At a glance
Arnold Hc is the operator of record for 21 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 19 (90%) are plugged & abandoned. Its largest concentration is in Colorado, with 20 wells (95% of its portfolio).
Wells operated
21
Active
0
Plugged
19
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Colorado | 20 |
| Wyoming | 1 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Arnold Hc to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Arnold Hc operate?
Arnold Hc's catalogued wells are spread across 2 states: Colorado (20) and Wyoming (1). Its 20 Colorado wells are 0.0% of the 124,327 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Arnold Hc’s wells are active, plugged or orphaned?
0% of Arnold Hc's catalogued wells are active, 29 percentage points below the national share of 29%. 90% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Arnold Hc operate?
By product class, 3 (14%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 1 M C Foster in Weld, CO at 7,643 ft. The wells listed below sit in Weld (CO) and Morgan (CO). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Arnold Hc
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 1 M C Foster | 05-123-05900 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 7,643 ft |
| 1 Riddell | 05-123-05862 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,930 ft |
| 1 Wyatt | 05-123-05892 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,772 ft |
| 1 J T Groves | 05-087-06498 | Plugged & abandoned | Other type | Morgan, CO | Arnold* H C | 6,596 ft |
| 1 Burns | 05-123-05880 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,577 ft |
| 1 J. T. Moyer | 05-123-05914 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,406 ft |
| 1 Bomeke | 05-123-05815 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,393 ft |
| 1 Uprr | 05-123-05967 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,390 ft |
| 1 R M Boorom /Flb | 05-087-06598 | Plugged & abandoned | Other type | Morgan, CO | Arnold* H C | 6,389 ft |
| 1 Sprague Ranch | 05-123-05764 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,357 ft |
| 1 Mciver | 05-123-05646 | Plugged & abandoned | Other type | Weld, CO | Arnold* H C | 6,255 ft |
| 1 State-Beery | 05-087-06481 | Plugged & abandoned | Other type | Morgan, CO | Arnold* H C | 5,645 ft |
Deepest first where depth is published. See all 21 wells →
Frequently asked questions
How many wells does Arnold Hc operate?
Arnold Hc is the operator of record for 21 catalogued oil & gas wells, with the largest concentration in Colorado (20). Only wells in states WellCensus has ingested are counted.
How many of Arnold Hc's wells are still active?
0 of Arnold Hc's catalogued wells are active; 19 are plugged & abandoned.
In which states does Arnold Hc operate wells?
Arnold Hc is the operator of record for wells in Colorado (20) and Wyoming (1).
Does Arnold Hc operate mostly oil or gas wells?
3 of Arnold Hc's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Arnold Hc's deepest well?
Among wells with a published depth, 1 M C Foster in Weld, CO is the deepest at 7,643 ft.
Where Arnold Hc's wells are
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Arnold Hc — well portfolio”, https://wellcensus.com/operators/arnold-hc-6684 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).