Ch Olsson
Operator of record for 9 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Ch Olsson is the operator of record for 9 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 9 (100%) are plugged & abandoned. Its largest concentration is in California, with 9 wells (100% of its portfolio).
Wells operated
9
Active
0
Plugged
9
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 9 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Ch Olsson operate?
Ch Olsson's catalogued wells are spread across 1 state: California (9). Its 9 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 Ch Olsson’s wells are active, plugged or orphaned?
0% of Ch Olsson'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 Ch Olsson operate?
By product class, 4 (44%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Tulare (CA) and Santa Barbara Offshore (CA).
Notable wells operated by Ch Olsson
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Menne-Flynn 2 | 04-107-00480 | Plugged & abandoned | Other type | Tulare, CA | C. H. Olsson | — |
| Menne-Flynn 1 | 04-107-00481 | Plugged & abandoned | Other type | Tulare, CA | C. H. Olsson | — |
| Mueller 2 | 04-107-00400 | Plugged & abandoned | Other type | Tulare, CA | C. H. Olsson | — |
| Moore 1 | 04-107-00264 | Plugged & abandoned | Other type | Tulare, CA | C. H. Olsson | — |
| Unspecified | 04-283-04803 | Plugged & abandoned | Oil | Santa Barbara Offshore, CA | C. H. Olsson | — |
| Lease by C. H. Olsson 1 | 04-107-00399 | Plugged & abandoned | Other type | Tulare, CA | C. H. Olsson | — |
| Unspecified | 04-283-04804 | Plugged & abandoned | Oil | Santa Barbara Offshore, CA | C. H. Olsson | — |
| Unspecified | 04-283-04801 | Plugged & abandoned | Oil | Santa Barbara Offshore, CA | C. H. Olsson | — |
| Unspecified | 04-283-04802 | Plugged & abandoned | Oil | Santa Barbara Offshore, CA | C. H. Olsson | — |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Ch Olsson operate?
Ch Olsson is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in California (9). Only wells in states WellCensus has ingested are counted.
How many of Ch Olsson's wells are still active?
0 of Ch Olsson's catalogued wells are active; 9 are plugged & abandoned.
In which states does Ch Olsson operate wells?
Ch Olsson is the operator of record for wells in California (9).
Does Ch Olsson operate mostly oil or gas wells?
4 of Ch Olsson's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Ch Olsson'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, “Ch Olsson — well portfolio”, https://wellcensus.com/operators/ch-olsson-11265 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).