Cardox
Operator of record for 125 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Cardox is the operator of record for 125 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 108 (86%) are plugged & abandoned. Its largest concentration is in California, with 125 wells (100% of its portfolio).
Wells operated
125
Active
0
Plugged
108
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 125 |
Well mix
- Oil wells
- 0
- Gas wells
- 102
- Shut-in
- 17
- Active share
- 0%
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Claim your operator profileWhere does Cardox operate?
Cardox's catalogued wells are spread across 1 state: California (125). Its 125 California wells are 0.1% 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 Cardox’s wells are active, plugged or orphaned?
0% of Cardox's catalogued wells are active, 29 percentage points below the national share of 29%. 86% are plugged & abandoned, against 47% nationally. 17 wells (14%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cardox operate?
By product class, 0 (0%) are oil wells and 102 (82%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Cardox
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Cardox Well No. 29 | 04-025-20051 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. A-13 | 04-025-20093 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. B-5 | 04-025-20118 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox No. G-4 | 04-025-20130 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. 18 | 04-025-20031 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. 25 | 04-025-20044 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. 29 | 04-025-20052 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. 37 | 04-025-20060 | Plugged & abandoned | Other type | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. 45 | 04-025-20068 | Plugged & abandoned | Other type | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. 46 | 04-025-20069 | Plugged & abandoned | Other type | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. A-30 | 04-025-20110 | Shut-in | Gas | Imperial, CA | Cardox Corporation | — |
| Cardox Well No. 6 | 04-025-20014 | Plugged & abandoned | Gas | Imperial, CA | Cardox Corporation | — |
Deepest first where depth is published. See all 125 wells →
Frequently asked questions
How many wells does Cardox operate?
Cardox is the operator of record for 125 catalogued oil & gas wells, with the largest concentration in California (125). Only wells in states WellCensus has ingested are counted.
How many of Cardox's wells are still active?
0 of Cardox's catalogued wells are active; 108 are plugged & abandoned.
In which states does Cardox operate wells?
Cardox is the operator of record for wells in California (125).
Does Cardox operate mostly oil or gas wells?
0 of Cardox's catalogued wells are oil wells and 102 are gas wells; the rest are injection, service or unclassified wells.
Where Cardox'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, “Cardox — well portfolio”, https://wellcensus.com/operators/cardox-6196 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).