Cardinal Drilling
Operator of record for 78 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: CARDINAL DRILLING CO. · Cardinal Drilling Company
At a glance
Cardinal Drilling is the operator of record for 78 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 75 (96%) are plugged & abandoned. Its largest concentration is in North Dakota, with 71 wells (91% of its portfolio).
Wells operated
78
Active
0
Plugged
75
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| North Dakota | 71 |
| Montana | 7 |
Well mix
- Oil wells
- 71
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Cardinal Drilling operate?
Cardinal Drilling's catalogued wells are spread across 2 states: North Dakota (71) and Montana (7). Its 71 North Dakota wells are 0.2% 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 Cardinal Drilling’s wells are active, plugged or orphaned?
0% of Cardinal Drilling's catalogued wells are active, 29 percentage points below the national share of 29%. 96% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cardinal Drilling operate?
By product class, 71 (91%) are oil wells and 1 (1%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Beatrice M. Keeler 1 in Bottineau, ND at 6,772 ft. The wells listed below sit in Bottineau (ND), Rosebud (MT), Ward (ND), Daniels (MT), Pondera (MT) and Foster (ND). 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 Cardinal Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Beatrice M. Keeler 1 | 33-009-00111 | Plugged & abandoned | Oil | Bottineau, ND | Cardinal Drilling Co. | 6,772 ft |
| Greenleaf<>4-27 | 25-087-21311 | Plugged & abandoned | Other type | Rosebud, MT | Cardinal Drilling Company | 6,360 ft |
| Rocker Six 4-11 | 25-087-21309 | Plugged & abandoned | Other type | Rosebud, MT | Cardinal Drilling Company | 6,212 ft |
| Olson 1 | 33-101-00204 | Plugged & abandoned | Oil | Ward, ND | Cardinal Drilling Co. | 6,200 ft |
| Greenleaf 4-3 | 25-087-21308 | Plugged & abandoned | Other type | Rosebud, MT | Cardinal Drilling Company | 6,075 ft |
| State 1 | 25-019-21030 | Plugged & abandoned | Other type | Daniels, MT | Cardinal Drilling Company | 6,040 ft |
| Joseph Andrieux 1 | 33-009-00112 | Plugged & abandoned | Oil | Bottineau, ND | Cardinal Drilling Co. | 5,127 ft |
| Arthur J. Gunning 1 | 33-009-00088 | Plugged & abandoned | Oil | Bottineau, ND | Cardinal Drilling Co. | 5,004 ft |
| Otis Tossett 1 | 33-009-00280 | Plugged & abandoned | Oil | Bottineau, ND | Cardinal Drilling Co. | 4,625 ft |
| Marie Tyler Shigley 1 | 33-009-00293 | Plugged & abandoned | Oil | Bottineau, ND | Cardinal Drilling Co. | 4,500 ft |
| State 1-5 | 25-073-21663 | Plugged & abandoned | Other type | Pondera, MT | Cardinal Drilling Company | 4,225 ft |
| James M. Anderson 1 | 33-031-00010 | Plugged & abandoned | Oil | Foster, ND | Cardinal Drilling Co. | 4,185 ft |
Deepest first where depth is published. See all 78 wells →
Frequently asked questions
How many wells does Cardinal Drilling operate?
Cardinal Drilling is the operator of record for 78 catalogued oil & gas wells, with the largest concentration in North Dakota (71). Only wells in states WellCensus has ingested are counted.
How many of Cardinal Drilling's wells are still active?
0 of Cardinal Drilling's catalogued wells are active; 75 are plugged & abandoned.
In which states does Cardinal Drilling operate wells?
Cardinal Drilling is the operator of record for wells in North Dakota (71) and Montana (7).
Does Cardinal Drilling operate mostly oil or gas wells?
71 of Cardinal Drilling's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Cardinal Drilling's deepest well?
Among wells with a published depth, Beatrice M. Keeler 1 in Bottineau, ND is the deepest at 6,772 ft.
Where Cardinal Drilling'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, “Cardinal Drilling — well portfolio”, https://wellcensus.com/operators/cardinal-drilling-18885 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).