Northwest Petroleum
Operator of record for 32 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: Northwest Petroleum · Northwest Petroleum, Inc.
At a glance
Northwest Petroleum is the operator of record for 32 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 25 (78%) are plugged & abandoned and 5 flagged as orphaned. Its largest concentration is in California, with 31 wells (97% of its portfolio).
Wells operated
32
Active
0
Plugged
25
Orphaned
5
Portfolio by state
| State | Wells |
|---|---|
| California | 31 |
| Montana | 1 |
Well mix
- Oil wells
- 7
- Gas wells
- 14
- Shut-in
- 0
- Active share
- 0%
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Claim Northwest Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Northwest Petroleum operate?
Northwest Petroleum's catalogued wells are spread across 2 states: California (31) and Montana (1). Its 31 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 Northwest Petroleum’s wells are active, plugged or orphaned?
0% of Northwest Petroleum's catalogued wells are active, 29 percentage points below the national share of 29%. 78% are plugged & abandoned, against 47% nationally. 5 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Northwest Petroleum operate?
By product class, 7 (22%) are oil wells and 14 (44%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Govt. #052154 1 in Toole, MT at 500 ft. The wells listed below sit in Toole (MT), Kern (CA), Solano (CA), Yolo (CA) and Madera (CA). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Northwest Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Govt. #052154 1 | 25-101-11735 | Plugged & abandoned | Other type | Toole, MT | Northwest Petroleum | 500 ft |
| Buttonwillow 3 | 04-030-08090 | Plugged & abandoned | Oil | Kern, CA | Northwest Petroleum, Inc. | — |
| Winters Unit 4 1 | 04-095-00491 | Orphaned | Gas | Solano, CA | Northwest Petroleum, Inc. | — |
| Porter Land 1 | 04-029-42803 | Plugged & abandoned | Oil | Kern, CA | Northwest Petroleum, Inc. | — |
| Powerline 1-A | 04-030-66466 | Other status | Oil | Kern, CA | Northwest Petroleum, Inc. | — |
| Arcaro 1 | 04-029-14516 | Plugged & abandoned | Oil | Kern, CA | Northwest Petroleum, Inc. | — |
| Buttonwillow 96-2 | 04-030-06836 | Plugged & abandoned | Gas | Kern, CA | Northwest Petroleum, Inc. | — |
| Bell 3 | 04-095-21269 | Orphaned | Gas | Solano, CA | Northwest Petroleum, Inc. | — |
| Bell 4 | 04-095-21284 | Orphaned | Gas | Solano, CA | Northwest Petroleum, Inc. | — |
| Willow Slough 1 | 04-113-21080 | Plugged & abandoned | Other type | Yolo, CA | Northwest Petroleum, Inc. | — |
| Northwest Winters 3-18 | 04-113-21114 | Plugged & abandoned | Other type | Yolo, CA | Northwest Petroleum, Inc. | — |
| Moffat 1-13 | 04-039-20093 | Plugged & abandoned | Other type | Madera, CA | Northwest Petroleum, Inc. | — |
Deepest first where depth is published. See all 32 wells →
Frequently asked questions
How many wells does Northwest Petroleum operate?
Northwest Petroleum is the operator of record for 32 catalogued oil & gas wells, with the largest concentration in California (31). Only wells in states WellCensus has ingested are counted.
How many of Northwest Petroleum's wells are still active?
0 of Northwest Petroleum's catalogued wells are active; 25 are plugged & abandoned and 5 are flagged as orphaned.
In which states does Northwest Petroleum operate wells?
Northwest Petroleum is the operator of record for wells in California (31) and Montana (1).
Does Northwest Petroleum operate mostly oil or gas wells?
7 of Northwest Petroleum's catalogued wells are oil wells and 14 are gas wells; the rest are injection, service or unclassified wells.
What is Northwest Petroleum's deepest well?
Among wells with a published depth, Govt. #052154 1 in Toole, MT is the deepest at 500 ft.
Where Northwest Petroleum'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, “Northwest Petroleum — well portfolio”, https://wellcensus.com/operators/northwest-petroleum-8970 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).