John A Thomas
Operator of record for 71 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
John A Thomas is the operator of record for 71 catalogued U.S. oil & gas wells in 1 state. 55 (77%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in California, with 71 wells (100% of its portfolio).
Wells operated
71
Active
55
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 71 |
Well mix
- Oil wells
- 70
- Gas wells
- 0
- Shut-in
- 16
- Active share
- 77%
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Claim your operator profileWhere does John A Thomas operate?
John A Thomas's catalogued wells are spread across 1 state: California (71). Its 71 California wells are 0.0% of the 242,471 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 John A Thomas’s wells are active, plugged or orphaned?
77% of John A Thomas's catalogued wells are active, 49 percentage points above the national share of 29%. 0% are plugged & abandoned, against 47% nationally. 16 wells (23%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does John A Thomas operate?
By product class, 70 (99%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by John A Thomas
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bolsa 3 | 04-059-03324 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 4 | 04-059-03325 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 7 | 04-059-03328 | Shut-in | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 10 | 04-059-03332 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 12 | 04-059-03334 | Shut-in | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 13 | 04-059-03335 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 14 | 04-059-03336 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 15 | 04-059-03337 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 16 | 04-059-03338 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 17 | 04-059-03339 | Active | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 20-A | 04-059-03342 | Shut-in | Oil | Orange, CA | John A. Thomas | — |
| Bolsa 1-A | 04-059-03322 | Active | Oil | Orange, CA | John A. Thomas | — |
Deepest first where depth is published. See all 71 wells →
Frequently asked questions
How many wells does John A Thomas operate?
John A Thomas is the operator of record for 71 catalogued oil & gas wells, with the largest concentration in California (71). Only wells in states WellCensus has ingested are counted.
How many of John A Thomas's wells are still active?
55 of John A Thomas's catalogued wells are active; 0 are plugged & abandoned.
In which states does John A Thomas operate wells?
John A Thomas is the operator of record for wells in California (71).
Does John A Thomas operate mostly oil or gas wells?
70 of John A Thomas's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where John A Thomas'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, “John A Thomas — well portfolio”, https://wellcensus.com/operators/john-a-thomas-31538 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).