Dos Rios
Operator of record for 5 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Dos Rios is the operator of record for 5 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 2 (40%) are plugged & abandoned. Its largest concentration is in California, with 5 wells (100% of its portfolio).
Wells operated
5
Active
0
Plugged
2
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 5 |
Well mix
- Oil wells
- 1
- Gas wells
- 4
- Shut-in
- 3
- Active share
- 0%
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Claim Dos Rios to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dos Rios operate?
Dos Rios's catalogued wells are spread across 1 state: California (5). Its 5 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 Dos Rios’s wells are active, plugged or orphaned?
0% of Dos Rios's catalogued wells are active, 29 percentage points below the national share of 29%. 40% are plugged & abandoned, against 47% nationally. 3 wells (60%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Dos Rios operate?
By product class, 1 (20%) are oil wells and 4 (80%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Colusa (CA) and Fresno (CA).
Notable wells operated by Dos Rios
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Thousand Acre Ranch 1 1 | 04-011-20098 | Shut-in | Gas | Colusa, CA | Dos Rios, Inc. | — |
| Davis Ranches 1-31 | 04-011-20151 | Shut-in | Gas | Colusa, CA | Dos Rios, Inc. | — |
| Wescott 1-8 | 04-011-20624 | Plugged & abandoned | Gas | Colusa, CA | Dos Rios, Inc. | — |
| Thousand Acre Ranch 1-6 | 04-011-20189 | Shut-in | Gas | Colusa, CA | Dos Rios, Inc. | — |
| Martin Fee 5-22 | 04-019-24230 | Plugged & abandoned | Oil | Fresno, CA | Dos Rios, Inc. | — |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Dos Rios operate?
Dos Rios is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in California (5). Only wells in states WellCensus has ingested are counted.
How many of Dos Rios's wells are still active?
0 of Dos Rios's catalogued wells are active; 2 are plugged & abandoned.
In which states does Dos Rios operate wells?
Dos Rios is the operator of record for wells in California (5).
Does Dos Rios operate mostly oil or gas wells?
1 of Dos Rios's catalogued wells are oil wells and 4 are gas wells; the rest are injection, service or unclassified wells.
Where Dos Rios'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, “Dos Rios — well portfolio”, https://wellcensus.com/operators/dos-rios-8976 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).