Gadeco
Operator of record for 34 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: GADECO LLC · GADECO, LLC
At a glance
Gadeco is the operator of record for 34 catalogued U.S. oil & gas wells in 3 states. 5 (15%) are active, 14 (41%) plugged & abandoned. Its largest concentration is in Colorado, with 20 wells (59% of its portfolio).
Wells operated
34
Active
5
Plugged
14
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Colorado | 20 |
| North Dakota | 7 |
| Wyoming | 7 |
Well mix
- Oil wells
- 10
- Gas wells
- 9
- Shut-in
- 6
- Active share
- 15%
Is this your company?
Claim Gadeco to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Gadeco operate?
Gadeco's catalogued wells are spread across 3 states: Colorado (20), North Dakota (7) and Wyoming (7). Its 20 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 Gadeco’s wells are active, plugged or orphaned?
15% of Gadeco's catalogued wells are active, 14 percentage points below the national share of 29%. 41% are plugged & abandoned, against 47% nationally. 6 wells (18%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Gadeco operate?
By product class, 10 (29%) are oil wells and 9 (26%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Alexander 26-35 5tfh in Williams, ND at 21,017 ft. The wells listed below sit in Williams (ND), Sublette (WY) and Moffat (CO). 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 Gadeco
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Alexander 26-35 5tfh | 33-105-03559 | Active | Oil | Williams, ND | Gadeco, LLC | 21,017 ft |
| Alexander 26-35 6h | 33-105-03560 | Active | Oil | Williams, ND | Gadeco, LLC | 20,960 ft |
| Alexander 26-35 4h | 33-105-03312 | Shut-in | Oil | Williams, ND | Gadeco, LLC | 20,860 ft |
| Alexander 26-35-3h | 33-105-02852 | Active | Oil | Williams, ND | Gadeco, LLC | 20,819 ft |
| Alexander 26-35h | 33-105-02568 | Active | Oil | Williams, ND | Gadeco, LLC | 20,500 ft |
| Golden 25-13h | 33-105-02293 | Plugged & abandoned | Oil | Williams, ND | Gadeco, LLC | 19,920 ft |
| Big Sandy Federal 1-3 | 49-035-25631 | Shut-in | Gas | Sublette, WY | Gadeco LLC | 17,010 ft |
| Big Sandy Federal 1-1 | 49-035-25558 | Shut-in | Gas | Sublette, WY | Gadeco LLC | 16,155 ft |
| Big Sandy Federal 1-10h | 49-035-26453 | Plugged & abandoned | Gas | Sublette, WY | Gadeco LLC | 16,000 ft |
| 4-36 Hiawatha Deep | 05-081-07427 | Plugged & abandoned | Oil | Moffat, CO | Gadeco LLC | 14,501 ft |
| Big Sandy Federal 1-34 | 49-035-24168 | Shut-in | Gas | Sublette, WY | Gadeco LLC | 14,501 ft |
| Hope Road Federal 1 | 49-035-25491 | Shut-in | Gas | Sublette, WY | Gadeco LLC | 13,400 ft |
Deepest first where depth is published. See all 34 wells →
Frequently asked questions
How many wells does Gadeco operate?
Gadeco is the operator of record for 34 catalogued oil & gas wells, with the largest concentration in Colorado (20). Only wells in states WellCensus has ingested are counted.
How many of Gadeco's wells are still active?
5 of Gadeco's catalogued wells are active; 14 are plugged & abandoned.
In which states does Gadeco operate wells?
Gadeco is the operator of record for wells in Colorado (20), North Dakota (7) and Wyoming (7).
Does Gadeco operate mostly oil or gas wells?
10 of Gadeco's catalogued wells are oil wells and 9 are gas wells; the rest are injection, service or unclassified wells.
What is Gadeco's deepest well?
Among wells with a published depth, Alexander 26-35 5tfh in Williams, ND is the deepest at 21,017 ft.
Where Gadeco'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, “Gadeco — well portfolio”, https://wellcensus.com/operators/gadeco-3169 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).