John E Callahan
Operator of record for 1 catalogued wells across 1 state. Every well below links to its full registry page.
Wells operated
1
Active
0
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileNotable wells operated by John E Callahan
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Prospect 1 | 04-055-00010 | Other status | Oil | Napa, CA | John E. Callahan | — |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does John E Callahan operate?
John E Callahan is the operator of record for 1 catalogued oil & gas wells, with the largest concentration in California (1). Only wells in states WellCensus has ingested are counted.
How many of John E Callahan's wells are still active?
0 of John E Callahan's catalogued wells are active; 0 are plugged & abandoned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).