Cenex
Operator of record for 345 catalogued wells across 6 states. Every well below links to its full registry page.
Filed as: CENEX · CENEX INC · Cenex Inc. · Cenex, Inc.
At a glance
Cenex is the operator of record for 345 catalogued U.S. oil & gas wells in 6 states. None is listed as active, 334 (97%) are plugged & abandoned. Its largest concentration is in Wyoming, with 140 wells (41% of its portfolio).
Wells operated
345
Active
0
Plugged
334
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 140 |
| Montana | 121 |
| North Dakota | 45 |
| Colorado | 18 |
| California | 15 |
| Illinois | 6 |
Well mix
- Oil wells
- 247
- Gas wells
- 11
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Cenex operate?
Cenex's catalogued wells are spread across 6 states: Wyoming (140), Montana (121), North Dakota (45), Colorado (18) and California (15) and 1 more. Its 121 Montana wells are 0.3% 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 Cenex’s wells are active, plugged or orphaned?
0% of Cenex's catalogued wells are active, 29 percentage points below the national share of 29%. 97% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cenex operate?
By product class, 247 (72%) are oil wells and 11 (3%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Kuntz 8-9 in Stark, ND at 12,779 ft. The wells listed below sit in Stark (ND), Richland (MT), Sheridan (MT) and Dawson (MT). State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Cenex
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Kuntz 8-9 | 33-089-00272 | Plugged & abandoned | Oil | Stark, ND | Cenex | 12,779 ft |
| USA 13-32 | 25-083-21391 | Plugged & abandoned | Oil | Richland, MT | Cenex, Inc. | 12,750 ft |
| Bradley 1-5 | 25-083-21545 | Plugged & abandoned | Oil | Richland, MT | Cenex, Inc. | 12,260 ft |
| Buxbaum #1 | 25-083-21068 | Plugged & abandoned | Oil | Richland, MT | Cenex, Inc. | 12,228 ft |
| Ostby 5-14 | 25-091-21497 | Plugged & abandoned | Other type | Sheridan, MT | Cenex, Inc. | 11,975 ft |
| Kaneski 1 | 25-083-21043 | Plugged & abandoned | Oil | Richland, MT | Cenex, Inc. | 11,950 ft |
| Vik 8-15 | 25-091-21535 | Plugged & abandoned | Other type | Sheridan, MT | Cenex, Inc. | 11,675 ft |
| State 1 | 25-021-05161 | Plugged & abandoned | Other type | Dawson, MT | Cenex, Inc. | 11,660 ft |
| Bn 8-33 | 25-083-21567 | Plugged & abandoned | Gas | Richland, MT | Cenex, Inc. | 11,606 ft |
| Parsons 14-27 | 25-083-21491 | Plugged & abandoned | Oil | Richland, MT | Cenex, Inc. | 11,510 ft |
| Jorgensen 1-27-3C | 25-091-21404 | Plugged & abandoned | Oil | Sheridan, MT | Cenex, Inc. | 11,380 ft |
| Tolksdorf 15-2 | 25-083-21577 | Plugged & abandoned | Other type | Richland, MT | Cenex, Inc. | 11,326 ft |
Deepest first where depth is published. See all 345 wells →
Frequently asked questions
How many wells does Cenex operate?
Cenex is the operator of record for 345 catalogued oil & gas wells, with the largest concentration in Wyoming (140). Only wells in states WellCensus has ingested are counted.
How many of Cenex's wells are still active?
0 of Cenex's catalogued wells are active; 334 are plugged & abandoned.
In which states does Cenex operate wells?
Cenex is the operator of record for wells in Wyoming (140), Montana (121), North Dakota (45), Colorado (18), California (15) and Illinois (6).
Does Cenex operate mostly oil or gas wells?
247 of Cenex's catalogued wells are oil wells and 11 are gas wells; the rest are injection, service or unclassified wells.
What is Cenex's deepest well?
Among wells with a published depth, Kuntz 8-9 in Stark, ND is the deepest at 12,779 ft.
Where Cenex's wells are
- Oil & gas wells in Wyoming· 140 operated by Cenex
- Oil & gas wells in Montana· 121 operated by Cenex
- Oil & gas wells in North Dakota· 45 operated by Cenex
- Oil & gas wells in Colorado· 18 operated by Cenex
- Oil & gas wells in California· 15 operated by Cenex
- Oil & gas wells in Illinois· 6 operated by Cenex
- Largest U.S. well operators
- All well operators
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, “Cenex — well portfolio”, https://wellcensus.com/operators/cenex-3191 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).