Mayo Wh
Operator of record for 9 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mayo Wh is the operator of record for 9 catalogued U.S. oil & gas wells in 1 state. 2 (22%) are active, 5 (56%) plugged & abandoned. Its largest concentration is in Kentucky, with 9 wells (100% of its portfolio).
Wells operated
9
Active
2
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 9 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 22%
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Claim Mayo Wh to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mayo Wh operate?
Mayo Wh's catalogued wells are spread across 1 state: Kentucky (9). Its 9 Kentucky wells are 0.0% of the 201,022 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 Mayo Wh’s wells are active, plugged or orphaned?
22% of Mayo Wh's catalogued wells are active, 7 percentage points below the national share of 29%. 56% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mayo Wh operate?
By product class, 1 (11%) 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 Haynes, Mamie M. Haynes 1 in Ohio, KY at 1,057 ft. The wells listed below sit in Ohio (KY) and Hancock (KY).
Notable wells operated by Mayo Wh
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Haynes, Mamie M. Haynes 1 | 16-183-03618 | Plugged & abandoned | Other type | Ohio, KY | Mayo, W H | 1,057 ft |
| Greathouse, A M 1 | 16-091-00415 | Active | Oil | Hancock, KY | Mayo, W H | 801 ft |
| Haynes & Ramsey 5 | 16-183-03621 | Plugged & abandoned | Other type | Ohio, KY | Mayo, W H | 771 ft |
| Hazerlrigg W-1 | 16-183-03623 | Active | Injection | Ohio, KY | Mayo, W H | 738 ft |
| Haynes, Hoover 1 | 16-183-03617 | Other status | Other type | Ohio, KY | Mayo, W H | 662 ft |
| Head, Ben (2) 6 | 16-183-03624 | Other status | Other type | Ohio, KY | Mayo, W H | 630 ft |
| Haynes-Ramsey 6 | 16-183-03622 | Plugged & abandoned | Other type | Ohio, KY | Mayo, W H | 535 ft |
| Haynes - Ramsey 4 | 16-183-03620 | Plugged & abandoned | Other type | Ohio, KY | Mayo, W H | 499 ft |
| Haynes & Ramsey 2 | 16-183-03619 | Plugged & abandoned | Other type | Ohio, KY | Mayo, W H | 488 ft |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Mayo Wh operate?
Mayo Wh is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in Kentucky (9). Only wells in states WellCensus has ingested are counted.
How many of Mayo Wh's wells are still active?
2 of Mayo Wh's catalogued wells are active; 5 are plugged & abandoned.
In which states does Mayo Wh operate wells?
Mayo Wh is the operator of record for wells in Kentucky (9).
Does Mayo Wh operate mostly oil or gas wells?
1 of Mayo Wh's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mayo Wh's deepest well?
Among wells with a published depth, Haynes, Mamie M. Haynes 1 in Ohio, KY is the deepest at 1,057 ft.
Where Mayo Wh'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, “Mayo Wh — well portfolio”, https://wellcensus.com/operators/mayo-wh-119822 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).