Miller Marshall & Assoc
Operator of record for 4 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Miller Marshall & Assoc is the operator of record for 4 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 4 (100%) are plugged & abandoned. Its largest concentration is in Kentucky, with 4 wells (100% of its portfolio).
Wells operated
4
Active
0
Plugged
4
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 4 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Miller Marshall & Assoc to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Miller Marshall & Assoc operate?
Miller Marshall & Assoc's catalogued wells are spread across 1 state: Kentucky (4). Its 4 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 Miller Marshall & Assoc’s wells are active, plugged or orphaned?
0% of Miller Marshall & Assoc'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 Miller Marshall & Assoc operate?
By product class, 0 (0%) 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 Hay, Carson Wl90-4 in Lawrence, KY at 780 ft.
Notable wells operated by Miller Marshall & Assoc
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hay, Carson Wl90-4 | 16-127-01483 | Plugged & abandoned | Other type | Lawrence, KY | Miller, Marshall & Assoc, Inc | 780 ft |
| Doybens, C K Wl90-1 | 16-127-01480 | Plugged & abandoned | Other type | Lawrence, KY | Miller, Marshall & Assoc, Inc | 645 ft |
| Hamilton, Sena Wl90-3 | 16-127-01482 | Plugged & abandoned | Other type | Lawrence, KY | Miller, Marshall & Assoc, Inc | 637 ft |
| Doybens, C K Wl90-2 | 16-127-01481 | Plugged & abandoned | Other type | Lawrence, KY | Miller, Marshall & Assoc, Inc | 612 ft |
Deepest first where depth is published. See all 4 wells →
Frequently asked questions
How many wells does Miller Marshall & Assoc operate?
Miller Marshall & Assoc is the operator of record for 4 catalogued oil & gas wells, with the largest concentration in Kentucky (4). Only wells in states WellCensus has ingested are counted.
How many of Miller Marshall & Assoc's wells are still active?
0 of Miller Marshall & Assoc's catalogued wells are active; 4 are plugged & abandoned.
In which states does Miller Marshall & Assoc operate wells?
Miller Marshall & Assoc is the operator of record for wells in Kentucky (4).
Does Miller Marshall & Assoc operate mostly oil or gas wells?
0 of Miller Marshall & Assoc's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Miller Marshall & Assoc's deepest well?
Among wells with a published depth, Hay, Carson Wl90-4 in Lawrence, KY is the deepest at 780 ft.
Where Miller Marshall & Assoc'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, “Miller Marshall & Assoc — well portfolio”, https://wellcensus.com/operators/miller-marshall-assoc-112144 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).