Zephyr Oil
Operator of record for 18 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Zephyr Oil is the operator of record for 18 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 18 (100%) are plugged & abandoned. Its largest concentration is in California, with 18 wells (100% of its portfolio).
Wells operated
18
Active
0
Plugged
18
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 18 |
Well mix
- Oil wells
- 4
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Zephyr Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Zephyr Oil operate?
Zephyr Oil's catalogued wells are spread across 1 state: California (18). Its 18 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 Zephyr Oil’s wells are active, plugged or orphaned?
0% of Zephyr Oil'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 Zephyr Oil operate?
By product class, 4 (22%) are oil wells and 5 (28%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Solano (CA), Humboldt (CA) and Los Angeles (CA).
Notable wells operated by Zephyr Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Yolano-Leon 1 | 04-095-00468 | Plugged & abandoned | Other type | Solano, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco T-9 | 04-023-00091 | Plugged & abandoned | Other type | Humboldt, CA | Zephyr Oil Co. | — |
| L.B. 5 | 04-037-12212 | Plugged & abandoned | Oil | Los Angeles, CA | Zephyr Oil Co. | — |
| Ring 1 | 04-037-05091 | Plugged & abandoned | Oil | Los Angeles, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco T-8 | 04-023-00026 | Plugged & abandoned | Gas | Humboldt, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco T-5 | 04-023-00023 | Plugged & abandoned | Other type | Humboldt, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco T-7 | 04-023-00025 | Plugged & abandoned | Gas | Humboldt, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco T-4 | 04-023-00022 | Plugged & abandoned | Gas | Humboldt, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco GB-2 | 04-023-00005 | Plugged & abandoned | Other type | Humboldt, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco GB-3 | 04-023-00006 | Plugged & abandoned | Other type | Humboldt, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco T-2 | 04-023-00020 | Plugged & abandoned | Gas | Humboldt, CA | Zephyr Oil Co. | — |
| Leon Oro Blanco T-3 | 04-023-00021 | Plugged & abandoned | Gas | Humboldt, CA | Zephyr Oil Co. | — |
Deepest first where depth is published. See all 18 wells →
Frequently asked questions
How many wells does Zephyr Oil operate?
Zephyr Oil is the operator of record for 18 catalogued oil & gas wells, with the largest concentration in California (18). Only wells in states WellCensus has ingested are counted.
How many of Zephyr Oil's wells are still active?
0 of Zephyr Oil's catalogued wells are active; 18 are plugged & abandoned.
In which states does Zephyr Oil operate wells?
Zephyr Oil is the operator of record for wells in California (18).
Does Zephyr Oil operate mostly oil or gas wells?
4 of Zephyr Oil's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
Where Zephyr Oil'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, “Zephyr Oil — well portfolio”, https://wellcensus.com/operators/zephyr-oil-6180 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).