St Croix Operating
Operator of record for 67 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: ST CROIX OPERATING INC · ST. CROIX OPERATING, INC · St. Croix Operating Inc. · St. Croix Operating, Inc.
At a glance
St Croix Operating is the operator of record for 67 catalogued U.S. oil & gas wells in 4 states. 4 (6%) are active, 49 (73%) plugged & abandoned. Its largest concentration is in Colorado, with 60 wells (90% of its portfolio).
Wells operated
67
Active
4
Plugged
49
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Colorado | 60 |
| North Dakota | 4 |
| Montana | 2 |
| California | 1 |
Well mix
- Oil wells
- 10
- Gas wells
- 5
- Shut-in
- 1
- Active share
- 6%
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Claim your operator profileWhere does St Croix Operating operate?
St Croix Operating's catalogued wells are spread across 4 states: Colorado (60), North Dakota (4), Montana (2) and California (1). Its 60 Colorado wells are 0.0% of the 124,327 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 St Croix Operating’s wells are active, plugged or orphaned?
6% of St Croix Operating's catalogued wells are active, 23 percentage points below the national share of 29%. 73% are plugged & abandoned, against 47% nationally. 1 wells (1%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does St Croix Operating operate?
By product class, 10 (15%) are oil wells and 5 (7%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Yellow Hawk #1 in Roosevelt, MT at 7,757 ft. The wells listed below sit in Roosevelt (MT), Weld (CO), Renville (ND) and Washington (CO). 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 St Croix Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Yellow Hawk #1 | 25-085-21999 | Plugged & abandoned | Other type | Roosevelt, MT | St. Croix Operating, Inc. | 7,757 ft |
| Buck Elk #1 | 25-085-21986 | Plugged & abandoned | Other type | Roosevelt, MT | St. Croix Operating, Inc. | 7,750 ft |
| 8-42 Mayfield Federal | 05-123-23136 | Plugged & abandoned | Other type | Weld, CO | St Croix Operating Inc | 6,523 ft |
| Preskey 28-3 | 33-075-01470 | Plugged & abandoned | Oil | Renville, ND | St. Croix Operating, Inc | 5,000 ft |
| 30-1 Mcgarr | 05-121-10569 | Plugged & abandoned | Oil | Washington, CO | St Croix Operating Inc | 4,760 ft |
| 1 Clover-Schenk | 05-121-11070 | Plugged & abandoned | Other type | Washington, CO | St Croix Operating Inc | 4,750 ft |
| 1 High Plains | 05-121-11090 | Plugged & abandoned | Other type | Washington, CO | St Croix Operating Inc | 4,750 ft |
| 28-4 Wright | 05-121-10713 | Plugged & abandoned | Other type | Washington, CO | St Croix Operating Inc | 4,735 ft |
| 28-2 Wright | 05-121-10670 | Plugged & abandoned | Other type | Washington, CO | St Croix Operating Inc | 4,715 ft |
| 3-28 Wright | 05-121-10685 | Plugged & abandoned | Other type | Washington, CO | St Croix Operating Inc | 4,712 ft |
| 30-2 Mcgarr | 05-121-10583 | Plugged & abandoned | Other type | Washington, CO | St Croix Operating Inc | 4,701 ft |
| 3-1 Sherman | 05-121-10655 | Plugged & abandoned | Other type | Washington, CO | St Croix Operating Inc | 4,674 ft |
Deepest first where depth is published. See all 67 wells →
Frequently asked questions
How many wells does St Croix Operating operate?
St Croix Operating is the operator of record for 67 catalogued oil & gas wells, with the largest concentration in Colorado (60). Only wells in states WellCensus has ingested are counted.
How many of St Croix Operating's wells are still active?
4 of St Croix Operating's catalogued wells are active; 49 are plugged & abandoned.
In which states does St Croix Operating operate wells?
St Croix Operating is the operator of record for wells in Colorado (60), North Dakota (4), Montana (2) and California (1).
Does St Croix Operating operate mostly oil or gas wells?
10 of St Croix Operating's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is St Croix Operating's deepest well?
Among wells with a published depth, Yellow Hawk #1 in Roosevelt, MT is the deepest at 7,757 ft.
Where St Croix 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, “St Croix Operating — well portfolio”, https://wellcensus.com/operators/st-croix-operating-5330 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).