Coy Oil
Operator of record for 372 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: COY OIL CO · COY OIL CO, INC · COY OIL INC · COY OIL, INC · …
At a glance
Coy Oil is the operator of record for 372 catalogued U.S. oil & gas wells in 3 states. 24 (6%) are active, 314 (84%) plugged & abandoned and 12 flagged as orphaned. Its largest concentration is in Illinois, with 308 wells (83% of its portfolio).
Wells operated
372
Active
24
Plugged
314
Orphaned
12
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 308 |
| Kentucky | 61 |
| Michigan | 3 |
Well mix
- Oil wells
- 166
- Gas wells
- 1
- Shut-in
- 1
- Active share
- 6%
Is this your company?
Claim Coy Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Coy Oil operate?
Coy Oil's catalogued wells are spread across 3 states: Illinois (308), Kentucky (61) and Michigan (3). Its 308 Illinois wells are 0.2% of the 174,478 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 Coy Oil’s wells are active, plugged or orphaned?
6% of Coy Oil's catalogued wells are active, 22 percentage points below the national share of 29%. 84% are plugged & abandoned, against 47% nationally. 1 wells (0.3%) are shut-in — unplugged but idle. 12 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Coy Oil operate?
By product class, 166 (45%) are oil wells and 1 (0.3%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Murphy 6 in White, IL at 4,285 ft. The wells listed below sit in White (IL), Wabash (IL), Mecosta (MI), Osceola (MI) and Wayne (IL). State filings spell the name 7 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Coy Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Murphy 6 | 12-193-25602 | Plugged & abandoned | Other type | White, IL | Coy Oil, Inc. | 4,285 ft |
| Gray Finch Farm 1 | 12-193-29137 | Plugged & abandoned | Other type | White, IL | Coy Oil, Inc. | 4,185 ft |
| Gray - Finch Farm 2 | 12-193-03537 | Plugged & abandoned | Other type | White, IL | Coy Oil, Inc. | 4,180 ft |
| Updegraff "A" 1-C | 12-185-01138 | Plugged & abandoned | Other type | Wabash, IL | Coy Oil, Inc. | 3,900 ft |
| Sill, W. F. 1 | 12-193-05508 | Plugged & abandoned | Oil | White, IL | Coy Oil, Inc. | 3,900 ft |
| Darlin, R 1 | 21-107-24101 | Other status | Other type | Mecosta, MI | Coy Oil Inc | 3,853 ft |
| State Lincoln 1 | 21-133-24152 | Other status | Other type | Osceola, MI | Coy Oil Inc | 3,814 ft |
| Fleming Estate 1 | 21-133-24103 | Other status | Other type | Osceola, MI | Coy Oil Inc | 3,774 ft |
| Kerwin, Mary G. etal 13-C | 12-185-04956 | Plugged & abandoned | Other type | Wabash, IL | Coy Oil, Inc. | 3,770 ft |
| Lamp 3 | 12-193-02796 | Plugged & abandoned | Injection | White, IL | Coy Oil, Inc. | 3,604 ft |
| Smith 1 | 12-193-02623 | Plugged & abandoned | Injection | White, IL | Coy Oil, Inc. | 3,548 ft |
| Harris Heirs 3 | 12-191-01674 | Plugged & abandoned | Oil | Wayne, IL | Coy Oil, Inc. | 3,535 ft |
Deepest first where depth is published. See all 372 wells →
Frequently asked questions
How many wells does Coy Oil operate?
Coy Oil is the operator of record for 372 catalogued oil & gas wells, with the largest concentration in Illinois (308). Only wells in states WellCensus has ingested are counted.
How many of Coy Oil's wells are still active?
24 of Coy Oil's catalogued wells are active; 314 are plugged & abandoned and 12 are flagged as orphaned.
In which states does Coy Oil operate wells?
Coy Oil is the operator of record for wells in Illinois (308), Kentucky (61) and Michigan (3).
Does Coy Oil operate mostly oil or gas wells?
166 of Coy Oil's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Coy Oil's deepest well?
Among wells with a published depth, Murphy 6 in White, IL is the deepest at 4,285 ft.
Where Coy Oil'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, “Coy Oil — well portfolio”, https://wellcensus.com/operators/coy-oil-66298 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).