Cortez Operating
Operator of record for 8 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: CORTEZ OPERATING COMPANY · Cortez Operating Company
At a glance
Cortez Operating is the operator of record for 8 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 7 (88%) are plugged & abandoned. Its largest concentration is in Montana, with 7 wells (88% of its portfolio).
Wells operated
8
Active
0
Plugged
7
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 7 |
| Oklahoma | 1 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Cortez Operating to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Cortez Operating operate?
Cortez Operating's catalogued wells are spread across 2 states: Montana (7) and Oklahoma (1). Its 7 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 Cortez Operating’s wells are active, plugged or orphaned?
0% of Cortez Operating's catalogued wells are active, 29 percentage points below the national share of 29%. 88% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cortez Operating operate?
By product class, 3 (38%) 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 Northern Pacific RR (NCT-11) 1 in Dawson, MT at 10,380 ft. The wells listed below sit in Dawson (MT) and Grady (OK). 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 Cortez Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Northern Pacific RR (NCT-11) 1 | 25-021-05084 | Plugged & abandoned | Other type | Dawson, MT | Cortez Operating Company | 10,380 ft |
| Unit 33X-21 | 25-021-05053 | Plugged & abandoned | Oil | Dawson, MT | Cortez Operating Company | 9,596 ft |
| Fed. Unit 22-22 | 25-021-05055 | Plugged & abandoned | Oil | Dawson, MT | Cortez Operating Company | 9,266 ft |
| Unit 23X-21 | 25-021-05051 | Plugged & abandoned | Injection | Dawson, MT | Cortez Operating Company | 9,095 ft |
| Govt Unit 11-2a | 25-021-05026 | Plugged & abandoned | Injection | Dawson, MT | Cortez Operating Company | 9,045 ft |
| Dawson (NCT-9) 1 | 25-021-05062 | Plugged & abandoned | Oil | Dawson, MT | Cortez Operating Company | 8,870 ft |
| Larson 14-08r | 25-021-21080 | Plugged & abandoned | Injection | Dawson, MT | Cortez Operating Company | 861 ft |
| Sparks #2-26 | 35-051-23030 | Other status | Other type | Grady, OK | Cortez Operating Company | — |
Deepest first where depth is published. See all 8 wells →
Frequently asked questions
How many wells does Cortez Operating operate?
Cortez Operating is the operator of record for 8 catalogued oil & gas wells, with the largest concentration in Montana (7). Only wells in states WellCensus has ingested are counted.
How many of Cortez Operating's wells are still active?
0 of Cortez Operating's catalogued wells are active; 7 are plugged & abandoned.
In which states does Cortez Operating operate wells?
Cortez Operating is the operator of record for wells in Montana (7) and Oklahoma (1).
Does Cortez Operating operate mostly oil or gas wells?
3 of Cortez Operating's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Cortez Operating's deepest well?
Among wells with a published depth, Northern Pacific RR (NCT-11) 1 in Dawson, MT is the deepest at 10,380 ft.
Where Cortez Operating'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, “Cortez Operating — well portfolio”, https://wellcensus.com/operators/cortez-operating-13379 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).