Simasko Production
Operator of record for 40 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: SIMASKO PRODUCTION CO · SIMASKO PRODUCTION COMPANY · Simasko Production
At a glance
Simasko Production is the operator of record for 40 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 37 (93%) are plugged & abandoned and 3 flagged as orphaned. Its largest concentration is in Oklahoma, with 19 wells (48% of its portfolio).
Wells operated
40
Active
0
Plugged
37
Orphaned
3
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 19 |
| Colorado | 10 |
| Wyoming | 6 |
| Montana | 5 |
Well mix
- Oil wells
- 9
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Simasko Production to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Simasko Production operate?
Simasko Production's catalogued wells are spread across 4 states: Oklahoma (19), Colorado (10), Wyoming (6) and Montana (5). Its 5 Montana wells are 0.0% of the 42,011 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 Simasko Production’s wells are active, plugged or orphaned?
0% of Simasko Production's catalogued wells are active, 29 percentage points below the national share of 29%. 93% are plugged & abandoned, against 47% nationally. 3 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Simasko Production operate?
By product class, 9 (23%) 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 Federal W-0312595a 1 in Campbell, WY at 8,090 ft. The wells listed below sit in Campbell (WY), Weld (CO), Arapahoe (CO), Valley (MT), Rosebud (MT) and Morgan (CO) and other counties. State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Simasko Production
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Federal W-0312595a 1 | 49-005-23807 | Plugged & abandoned | Oil | Campbell, WY | Simasko Production Co | 8,090 ft |
| 1 State-Palace | 05-123-09382 | Plugged & abandoned | Other type | Weld, CO | Simasko Production Company | 6,990 ft |
| 1 Linnebur-Cox | 05-005-06639 | Plugged & abandoned | Other type | Arapahoe, CO | Simasko Production Company | 6,520 ft |
| State 1 | 25-105-21130 | Plugged & abandoned | Other type | Valley, MT | Simasko Production | 6,140 ft |
| State 1 | 25-087-21274 | Plugged & abandoned | Other type | Rosebud, MT | Simasko Production | 5,450 ft |
| 1 Pfost | 05-087-07425 | Plugged & abandoned | Other type | Morgan, CO | Simasko Production Company | 5,127 ft |
| Bill 1 | 25-065-21305 | Plugged & abandoned | Other type | Musselshell, MT | Simasko Production | 5,114 ft |
| 1 Query | 05-121-09287 | Plugged & abandoned | Other type | Washington, CO | Simasko Production Company | 5,101 ft |
| 1 Atkinson | 05-087-07381 | Plugged & abandoned | Other type | Morgan, CO | Simasko Production Company | 5,062 ft |
| Stacie-State 1 | 49-027-20326 | Plugged & abandoned | Oil | Niobrara, WY | Simasko Production Co | 5,060 ft |
| 1 Audra | 05-087-07414 | Plugged & abandoned | Other type | Morgan, CO | Simasko Production Company | 5,057 ft |
| 1 Claude T Williams | 05-121-09288 | Plugged & abandoned | Other type | Washington, CO | Simasko Production Company | 5,011 ft |
Deepest first where depth is published. See all 40 wells →
Frequently asked questions
How many wells does Simasko Production operate?
Simasko Production is the operator of record for 40 catalogued oil & gas wells, with the largest concentration in Oklahoma (19). Only wells in states WellCensus has ingested are counted.
How many of Simasko Production's wells are still active?
0 of Simasko Production's catalogued wells are active; 37 are plugged & abandoned and 3 are flagged as orphaned.
In which states does Simasko Production operate wells?
Simasko Production is the operator of record for wells in Oklahoma (19), Colorado (10), Wyoming (6) and Montana (5).
Does Simasko Production operate mostly oil or gas wells?
9 of Simasko Production's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Simasko Production's deepest well?
Among wells with a published depth, Federal W-0312595a 1 in Campbell, WY is the deepest at 8,090 ft.
Where Simasko Production'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, “Simasko Production — well portfolio”, https://wellcensus.com/operators/simasko-production-6123 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).