Mcelroy Er
Operator of record for 3 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: MCELROY* E.R. · McElroy, E R
At a glance
Mcelroy Er is the operator of record for 3 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 3 (100%) are plugged & abandoned. Its largest concentration is in Colorado, with 2 wells (67% of its portfolio).
Wells operated
3
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Colorado | 2 |
| Utah | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Mcelroy Er to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mcelroy Er operate?
Mcelroy Er's catalogued wells are spread across 2 states: Colorado (2) and Utah (1). Its 1 Utah wells are 0.0% of the 40,139 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 Mcelroy Er’s wells are active, plugged or orphaned?
0% of Mcelroy Er's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mcelroy Er operate?
By product class, 1 (33%) 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 Grimm in Logan, CO at 5,649 ft. The wells listed below sit in Logan (CO), Morgan (CO) and Uintah (UT). 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 Mcelroy Er
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 1 Grimm | 05-075-05260 | Plugged & abandoned | Other type | Logan, CO | Mcelroy* E.R. | 5,649 ft |
| 1 Adams Drilling Co | 05-087-05830 | Plugged & abandoned | Other type | Morgan, CO | Mcelroy* E.R. | 5,630 ft |
| E R Mc Elroy 1 | 43-047-20446 | Plugged & abandoned | Oil | Uintah, UT | McElroy, E R | — |
Deepest first where depth is published. See all 3 wells →
Frequently asked questions
How many wells does Mcelroy Er operate?
Mcelroy Er is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in Colorado (2). Only wells in states WellCensus has ingested are counted.
How many of Mcelroy Er's wells are still active?
0 of Mcelroy Er's catalogued wells are active; 3 are plugged & abandoned.
In which states does Mcelroy Er operate wells?
Mcelroy Er is the operator of record for wells in Colorado (2) and Utah (1).
Does Mcelroy Er operate mostly oil or gas wells?
1 of Mcelroy Er's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mcelroy Er's deepest well?
Among wells with a published depth, 1 Grimm in Logan, CO is the deepest at 5,649 ft.
Where Mcelroy Er'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, “Mcelroy Er — well portfolio”, https://wellcensus.com/operators/mcelroy-er-9271 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).