Cosden Petroleum
Operator of record for 12 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: COSDEN PETROLEUM · COSDEN PETROLEUM CORPORATION
At a glance
Cosden Petroleum is the operator of record for 12 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 12 (100%) are plugged & abandoned. Its largest concentration is in Wyoming, with 9 wells (75% of its portfolio).
Wells operated
12
Active
0
Plugged
12
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 9 |
| Colorado | 3 |
Well mix
- Oil wells
- 7
- Gas wells
- 2
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Cosden Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Cosden Petroleum operate?
Cosden Petroleum's catalogued wells are spread across 2 states: Wyoming (9) and Colorado (3). Its 9 Wyoming wells are 0.0% of the 129,957 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 Cosden Petroleum’s wells are active, plugged or orphaned?
0% of Cosden Petroleum'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 Cosden Petroleum operate?
By product class, 7 (58%) are oil wells and 2 (17%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Govt 1-A in Niobrara, WY at 7,926 ft. The wells listed below sit in Niobrara (WY), Johnson (WY), Morgan (CO), Sublette (WY), Logan (CO) and Prowers (CO) and other counties. 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 Cosden Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Govt 1-A | 49-027-06079 | Plugged & abandoned | Oil | Niobrara, WY | Cosden Petroleum | 7,926 ft |
| Govt 1 | 49-019-06125 | Plugged & abandoned | Oil | Johnson, WY | Cosden Petroleum | 7,270 ft |
| 1 Cook | 05-087-06384 | Plugged & abandoned | Other type | Morgan, CO | Cosden Petroleum Corporation | 6,426 ft |
| Miller 1 | 49-035-07012 | Plugged & abandoned | Gas | Sublette, WY | Cosden Petroleum | 6,129 ft |
| 1 Fehringer-Brown | 05-075-06307 | Plugged & abandoned | Other type | Logan, CO | Cosden Petroleum Corporation | 5,469 ft |
| 1 State | 05-099-05051 | Plugged & abandoned | Other type | Prowers, CO | Cosden Petroleum Corporation | 5,047 ft |
| Govt 1 | 49-017-05332 | Plugged & abandoned | Oil | Hot Springs, WY | Cosden Petroleum | 5,019 ft |
| Tribal 1 | 49-013-06157 | Plugged & abandoned | Oil | Fremont, WY | Cosden Petroleum | 4,404 ft |
| State 1 | 49-035-07018 | Plugged & abandoned | Gas | Sublette, WY | Cosden Petroleum | 3,148 ft |
| State 1 | 49-045-05299 | Plugged & abandoned | Oil | Weston, WY | Cosden Petroleum | 2,745 ft |
| Govt 1 | 49-007-05626 | Plugged & abandoned | Oil | Carbon, WY | Cosden Petroleum | 1,419 ft |
| Govt 1 | 49-013-05259 | Plugged & abandoned | Oil | Fremont, WY | Cosden Petroleum | 1,150 ft |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Cosden Petroleum operate?
Cosden Petroleum is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in Wyoming (9). Only wells in states WellCensus has ingested are counted.
How many of Cosden Petroleum's wells are still active?
0 of Cosden Petroleum's catalogued wells are active; 12 are plugged & abandoned.
In which states does Cosden Petroleum operate wells?
Cosden Petroleum is the operator of record for wells in Wyoming (9) and Colorado (3).
Does Cosden Petroleum operate mostly oil or gas wells?
7 of Cosden Petroleum's catalogued wells are oil wells and 2 are gas wells; the rest are injection, service or unclassified wells.
What is Cosden Petroleum's deepest well?
Among wells with a published depth, Govt 1-A in Niobrara, WY is the deepest at 7,926 ft.
Where Cosden 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, “Cosden Petroleum — well portfolio”, https://wellcensus.com/operators/cosden-petroleum-9262 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).