Yunker Oil
Operator of record for 12 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Yunker Oil is the operator of record for 12 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 12 (100%) are plugged & abandoned. Its largest concentration is in California, with 12 wells (100% of its portfolio).
Wells operated
12
Active
0
Plugged
12
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 12 |
Well mix
- Oil wells
- 12
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Yunker Oil operate?
Yunker Oil's catalogued wells are spread across 1 state: California (12). Its 12 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 Yunker Oil’s wells are active, plugged or orphaned?
0% of Yunker 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 Yunker Oil operate?
By product class, 12 (100%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Yunker Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Lease by Yunker Oil Co. 3 | 04-037-12193 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Barbara 1 | 04-037-12194 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Barbara 2 | 04-037-12195 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Bobbie Boy 1 | 04-037-12196 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Donnie Boy 1 | 04-037-12197 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Donnie Boy 2 | 04-037-12198 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Nakamura 3 | 04-037-12205 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Nakamura 2 | 04-037-00418 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Nakamura 1 | 04-037-00417 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Donnie Boy 3 | 04-037-12199 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Donnie Boy 4 | 04-037-12200 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
| Lack-Walsh 1 | 04-037-12204 | Plugged & abandoned | Oil | Los Angeles, CA | Yunker Oil Co. | — |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Yunker Oil operate?
Yunker Oil is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in California (12). Only wells in states WellCensus has ingested are counted.
How many of Yunker Oil's wells are still active?
0 of Yunker Oil's catalogued wells are active; 12 are plugged & abandoned.
In which states does Yunker Oil operate wells?
Yunker Oil is the operator of record for wells in California (12).
Does Yunker Oil operate mostly oil or gas wells?
12 of Yunker Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Yunker 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, “Yunker Oil — well portfolio”, https://wellcensus.com/operators/yunker-oil-16014 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).