Filco
Operator of record for 9 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: FILCO INC · FILCO INCORPORATED
At a glance
Filco is the operator of record for 9 catalogued U.S. oil & gas wells in 2 states. 2 (22%) are active, 4 (44%) plugged & abandoned. Its largest concentration is in North Dakota, with 5 wells (56% of its portfolio).
Wells operated
9
Active
2
Plugged
4
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| North Dakota | 5 |
| Colorado | 4 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 1
- Active share
- 22%
Is this your company?
Claim Filco to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Filco operate?
Filco's catalogued wells are spread across 2 states: North Dakota (5) and Colorado (4). Its 5 North Dakota wells are 0.0% of the 43,680 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 Filco’s wells are active, plugged or orphaned?
22% of Filco's catalogued wells are active, 7 percentage points below the national share of 29%. 44% are plugged & abandoned, against 47% nationally. 1 wells (11%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Filco operate?
By product class, 4 (44%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Ralph Slaaten 23-1 in Mckenzie, ND at 13,800 ft. The wells listed below sit in Mckenzie (ND) and Montezuma (CO). 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 Filco
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Ralph Slaaten 23-1 | 33-053-00531 | Active | Oil | Mckenzie, ND | Filco Incorporated | 13,800 ft |
| Temple-Haugen 27-2 | 33-053-02113 | Other status | Oil | Mckenzie, ND | Filco Incorporated | 13,776 ft |
| R. K. E. 44-16h | 33-053-02322 | Other status | Oil | Mckenzie, ND | Filco Incorporated | 12,967 ft |
| I. Thompson 8-34 | 33-053-01772 | Active | Oil | Mckenzie, ND | Filco Incorporated | 12,320 ft |
| Archer 14-25swd | 33-053-90265 | Shut-in | Injection | Mckenzie, ND | Filco Incorporated | 5,531 ft |
| 3 Sheek | 05-083-06317 | Plugged & abandoned | Other type | Montezuma, CO | Filco Inc | 1,118 ft |
| 2 Sheek | 05-083-06318 | Plugged & abandoned | Other type | Montezuma, CO | Filco Inc | 1,110 ft |
| 1 Luellen | 05-083-06320 | Plugged & abandoned | Other type | Montezuma, CO | Filco Inc | 843 ft |
| 2 Luellen | 05-083-06321 | Plugged & abandoned | Other type | Montezuma, CO | Filco Inc | 840 ft |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Filco operate?
Filco is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in North Dakota (5). Only wells in states WellCensus has ingested are counted.
How many of Filco's wells are still active?
2 of Filco's catalogued wells are active; 4 are plugged & abandoned.
In which states does Filco operate wells?
Filco is the operator of record for wells in North Dakota (5) and Colorado (4).
Does Filco operate mostly oil or gas wells?
4 of Filco's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Filco's deepest well?
Among wells with a published depth, Ralph Slaaten 23-1 in Mckenzie, ND is the deepest at 13,800 ft.
Where Filco'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, “Filco — well portfolio”, https://wellcensus.com/operators/filco-2440 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).