Grizzly Operating
Operator of record for 122 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: GRIZZLY OPERATING LLC · Grizzly Operating, LLC
At a glance
Grizzly Operating is the operator of record for 122 catalogued U.S. oil & gas wells in 5 states. None is listed as active, 117 (96%) are plugged & abandoned. Its largest concentration is in New Mexico, with 70 wells (57% of its portfolio).
Wells operated
122
Active
0
Plugged
117
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| New Mexico | 70 |
| Wyoming | 32 |
| Oklahoma | 14 |
| North Dakota | 5 |
| Colorado | 1 |
Well mix
- Oil wells
- 36
- Gas wells
- 75
- Shut-in
- 1
- Active share
- 0%
Is this your company?
Claim Grizzly Operating to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Grizzly Operating operate?
Grizzly Operating's catalogued wells are spread across 5 states: New Mexico (70), Wyoming (32), Oklahoma (14), North Dakota (5) and Colorado (1). Its 70 New Mexico wells are 0.0% of the 141,088 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 Grizzly Operating’s wells are active, plugged or orphaned?
0% of Grizzly Operating's catalogued wells are active, 29 percentage points below the national share of 29%. 96% are plugged & abandoned, against 47% nationally. 1 wells (0.8%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Grizzly Operating operate?
By product class, 36 (30%) are oil wells and 75 (61%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Colglazier #003 in Eddy, NM at 99,999 ft. The wells listed below sit in Eddy (NM), Lea (NM), Burke (ND) and Sweetwater (WY). 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 Grizzly Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Colglazier #003 | 30-015-04695 | Plugged & abandoned | Oil | Eddy, NM | Grizzly Operating, LLC | 99,999 ft |
| Otis State #001 | 30-025-29973 | Plugged & abandoned | Oil | Lea, NM | Grizzly Operating, LLC | 14,084 ft |
| Otis State #002 | 30-025-36714 | Plugged & abandoned | Gas | Lea, NM | Grizzly Operating, LLC | 13,947 ft |
| Peterson 2 | 33-013-01170 | Plugged & abandoned | Oil | Burke, ND | Grizzly Operating, LLC | 12,600 ft |
| Abo Swd #031 | 30-025-05369 | Plugged & abandoned | Injection | Lea, NM | Grizzly Operating, LLC | 12,251 ft |
| South Carlsbad #006 | 30-015-32190 | Plugged & abandoned | Gas | Eddy, NM | Grizzly Operating, LLC | 11,990 ft |
| H T Montieth A #001 | 30-025-05336 | Plugged & abandoned | Oil | Lea, NM | Grizzly Operating, LLC | 11,925 ft |
| Great Divide 1 | 49-037-20961 | Plugged & abandoned | Gas | Sweetwater, WY | Grizzly Operating LLC | 11,162 ft |
| Hay Unit W-30396 28 | 49-037-21444 | Plugged & abandoned | Gas | Sweetwater, WY | Grizzly Operating LLC | 11,083 ft |
| Great Divide 2 | 49-037-21185 | Plugged & abandoned | Gas | Sweetwater, WY | Grizzly Operating LLC | 10,856 ft |
| Hay Unit W-46946 12 | 49-037-21234 | Plugged & abandoned | Gas | Sweetwater, WY | Grizzly Operating LLC | 10,770 ft |
| Hay Reservoir W30398 4 | 49-037-20861 | Shut-in | Gas | Sweetwater, WY | Grizzly Operating LLC | 10,746 ft |
Deepest first where depth is published. See all 122 wells →
Frequently asked questions
How many wells does Grizzly Operating operate?
Grizzly Operating is the operator of record for 122 catalogued oil & gas wells, with the largest concentration in New Mexico (70). Only wells in states WellCensus has ingested are counted.
How many of Grizzly Operating's wells are still active?
0 of Grizzly Operating's catalogued wells are active; 117 are plugged & abandoned.
In which states does Grizzly Operating operate wells?
Grizzly Operating is the operator of record for wells in New Mexico (70), Wyoming (32), Oklahoma (14), North Dakota (5) and Colorado (1).
Does Grizzly Operating operate mostly oil or gas wells?
36 of Grizzly Operating's catalogued wells are oil wells and 75 are gas wells; the rest are injection, service or unclassified wells.
What is Grizzly Operating's deepest well?
Among wells with a published depth, Colglazier #003 in Eddy, NM is the deepest at 99,999 ft.
Where Grizzly Operating's wells are
- Oil & gas wells in New Mexico· 70 operated by Grizzly Operating
- Oil & gas wells in Wyoming· 32 operated by Grizzly Operating
- Oil & gas wells in Oklahoma· 14 operated by Grizzly Operating
- Oil & gas wells in North Dakota· 5 operated by Grizzly Operating
- Oil & gas wells in Colorado· 1 operated by Grizzly Operating
- Largest U.S. well operators
- All well operators
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, “Grizzly Operating — well portfolio”, https://wellcensus.com/operators/grizzly-operating-2565 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).