Cobb Em
Operator of record for 36 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Cobb Em is the operator of record for 36 catalogued U.S. oil & gas wells in 1 state. 20 (56%) are active, 4 (11%) plugged & abandoned and 7 flagged as orphaned. Its largest concentration is in Kentucky, with 36 wells (100% of its portfolio).
Wells operated
36
Active
20
Plugged
4
Orphaned
7
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 36 |
Well mix
- Oil wells
- 22
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 56%
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Claim your operator profileWhere does Cobb Em operate?
Cobb Em's catalogued wells are spread across 1 state: Kentucky (36). Its 36 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 Cobb Em’s wells are active, plugged or orphaned?
56% of Cobb Em's catalogued wells are active, 27 percentage points above the national share of 29%. 11% are plugged & abandoned, against 47% nationally. 7 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Cobb Em operate?
By product class, 22 (61%) 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 Melton, M J Heirs 1 in Webster, KY at 2,789 ft. The wells listed below sit in Webster (KY) and Henderson (KY).
Notable wells operated by Cobb Em
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Melton, M J Heirs 1 | 16-233-02453 | Active | Oil | Webster, KY | Cobb, E M | 2,789 ft |
| Clarence Wood Heirs 9 | 16-101-07574 | Active | Oil | Henderson, KY | Cobb, E M | 2,760 ft |
| Wood, Clarence Heirs 15 | 16-101-07633 | Active | Oil | Henderson, KY | Cobb, E M | 2,756 ft |
| Clarence Wood Heirs 11 | 16-101-07622 | Active | Oil | Henderson, KY | Cobb, E M | 2,753 ft |
| Wood, Clarence Heirs 16 | 16-101-07632 | Active | Oil | Henderson, KY | Cobb, E M | 2,753 ft |
| Wood, Clarence Hiers 8 | 16-101-07586 | Active | Oil | Henderson, KY | Cobb, E M | 2,750 ft |
| Clarence Wood Heirs 5 | 16-101-07573 | Active | Oil | Henderson, KY | Cobb, E M | 2,750 ft |
| Clarence Wood Heirs 10 | 16-101-07617 | Active | Oil | Henderson, KY | Cobb, E M | 2,748 ft |
| Clarence Wood Heirs 14 | 16-101-07621 | Active | Oil | Henderson, KY | Cobb, E M | 2,726 ft |
| Wood, Clarence Heirs 2 | 16-101-06890 | Plugged & abandoned | Oil | Henderson, KY | Cobb, E M | 2,685 ft |
| Wood, Clarence (Heirs) 1 | 16-101-06666 | Active | Oil | Henderson, KY | Cobb, E M | 2,671 ft |
| Wood, Clarence Heirs 3 | 16-101-06928 | Active | Oil | Henderson, KY | Cobb, E M | 2,668 ft |
Deepest first where depth is published. See all 36 wells →
Frequently asked questions
How many wells does Cobb Em operate?
Cobb Em is the operator of record for 36 catalogued oil & gas wells, with the largest concentration in Kentucky (36). Only wells in states WellCensus has ingested are counted.
How many of Cobb Em's wells are still active?
20 of Cobb Em's catalogued wells are active; 4 are plugged & abandoned and 7 are flagged as orphaned.
In which states does Cobb Em operate wells?
Cobb Em is the operator of record for wells in Kentucky (36).
Does Cobb Em operate mostly oil or gas wells?
22 of Cobb Em's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Cobb Em's deepest well?
Among wells with a published depth, Melton, M J Heirs 1 in Webster, KY is the deepest at 2,789 ft.
Where Cobb Em'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, “Cobb Em — well portfolio”, https://wellcensus.com/operators/cobb-em-69624 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).