Sinco Oil
Operator of record for 14 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Sinco Oil is the operator of record for 14 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 13 (93%) are plugged & abandoned. Its largest concentration is in California, with 14 wells (100% of its portfolio).
Wells operated
14
Active
0
Plugged
13
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 14 |
Well mix
- Oil wells
- 6
- Gas wells
- 2
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Sinco Oil operate?
Sinco Oil's catalogued wells are spread across 1 state: California (14). Its 14 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 Sinco Oil’s wells are active, plugged or orphaned?
0% of Sinco Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 93% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Sinco Oil operate?
By product class, 6 (43%) are oil wells and 2 (14%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Solano (CA), Sonoma (CA), Contra Costa (CA) and Glenn (CA).
Notable wells operated by Sinco Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bacon 1 | 04-095-00086 | Plugged & abandoned | Other type | Solano, CA | Sinco Oil Corp. | — |
| Noble 2 | 04-097-00056 | Other status | Oil | Sonoma, CA | Sinco Oil Corp. | — |
| Ackerman 1 | 04-013-20049 | Plugged & abandoned | Other type | Contra Costa, CA | Sinco Oil Corp. | — |
| Rocksvold 9-1 | 04-021-20170 | Plugged & abandoned | Other type | Glenn, CA | Sinco Oil Corp. | — |
| Qvale 1 | 04-013-20083 | Plugged & abandoned | Gas | Contra Costa, CA | Sinco Oil Corp. | — |
| Williamson 1 | 04-013-20053 | Plugged & abandoned | Other type | Contra Costa, CA | Sinco Oil Corp. | — |
| Ridell 1 | 04-013-20056 | Plugged & abandoned | Oil | Contra Costa, CA | Sinco Oil Corp. | — |
| Williamson 2 | 04-013-20065 | Plugged & abandoned | Other type | Contra Costa, CA | Sinco Oil Corp. | — |
| Qvale 2 | 04-013-00058 | Plugged & abandoned | Gas | Contra Costa, CA | Sinco Oil Corp. | — |
| Sullenger 2 | 04-013-20079 | Plugged & abandoned | Oil | Contra Costa, CA | Sinco Oil Corp. | — |
| Andrade 2 | 04-013-20013 | Plugged & abandoned | Oil | Contra Costa, CA | Sinco Oil Corp. | — |
| Ginochio 32-17 | 04-013-00023 | Plugged & abandoned | Oil | Contra Costa, CA | Sinco Oil Corp. | — |
Deepest first where depth is published. See all 14 wells →
Frequently asked questions
How many wells does Sinco Oil operate?
Sinco Oil is the operator of record for 14 catalogued oil & gas wells, with the largest concentration in California (14). Only wells in states WellCensus has ingested are counted.
How many of Sinco Oil's wells are still active?
0 of Sinco Oil's catalogued wells are active; 13 are plugged & abandoned.
In which states does Sinco Oil operate wells?
Sinco Oil is the operator of record for wells in California (14).
Does Sinco Oil operate mostly oil or gas wells?
6 of Sinco Oil's catalogued wells are oil wells and 2 are gas wells; the rest are injection, service or unclassified wells.
Where Sinco 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, “Sinco Oil — well portfolio”, https://wellcensus.com/operators/sinco-oil-5445 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).