Petro Sentinel
Operator of record for 6 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: PETRO-SENTINEL LLC · Petro-Sentinel LLC
At a glance
Petro Sentinel is the operator of record for 6 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 3 (50%) are plugged & abandoned. Its largest concentration is in North Dakota, with 3 wells (50% of its portfolio).
Wells operated
6
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| North Dakota | 3 |
| Montana | 2 |
| Wyoming | 1 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Petro Sentinel operate?
Petro Sentinel's catalogued wells are spread across 3 states: North Dakota (3), Montana (2) and Wyoming (1). Its 3 North Dakota wells are 0.0% 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 Petro Sentinel’s wells are active, plugged or orphaned?
0% of Petro Sentinel's catalogued wells are active, 29 percentage points below the national share of 29%. 50% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Petro Sentinel operate?
By product class, 5 (83%) 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 Mccullough Fee 28-8 in Crook, WY at 7,600 ft. The wells listed below sit in Crook (WY), Bottineau (ND), Glacier (MT), Musselshell (MT) and Bowman (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 Petro Sentinel
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Mccullough Fee 28-8 | 49-011-23390 | Plugged & abandoned | Oil | Crook, WY | Petro-Sentinel LLC | 7,600 ft |
| Harvey Svee 2-12 | 33-009-02298 | Plugged & abandoned | Oil | Bottineau, ND | Petro-Sentinel LLC | 5,411 ft |
| Hillside 44-7 | 25-035-22247 | Plugged & abandoned | Other type | Glacier, MT | Petro-Sentinel LLC | 4,700 ft |
| Thomas-Cinderella 1-XR | 25-065-21505 | Other status | Oil | Musselshell, MT | Petro-Sentinel LLC | 2,560 ft |
| Miller 2-28 | 33-011-01532 | Other status | Oil | Bowman, ND | Petro-Sentinel LLC | 0 ft |
| Coyote Creek 2-34 | 33-011-01533 | Other status | Oil | Bowman, ND | Petro-Sentinel LLC | 0 ft |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Petro Sentinel operate?
Petro Sentinel is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in North Dakota (3). Only wells in states WellCensus has ingested are counted.
How many of Petro Sentinel's wells are still active?
0 of Petro Sentinel's catalogued wells are active; 3 are plugged & abandoned.
In which states does Petro Sentinel operate wells?
Petro Sentinel is the operator of record for wells in North Dakota (3), Montana (2) and Wyoming (1).
Does Petro Sentinel operate mostly oil or gas wells?
5 of Petro Sentinel's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Petro Sentinel's deepest well?
Among wells with a published depth, Mccullough Fee 28-8 in Crook, WY is the deepest at 7,600 ft.
Where Petro Sentinel'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, “Petro Sentinel — well portfolio”, https://wellcensus.com/operators/petro-sentinel-40163 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).