Chandler & Associates
Operator of record for 302 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: CHANDLER & ASSOCIATES LLC · CHANDLER & ASSOCIATES, INC · CHANDLER & ASSOCIATES, INC. · Chandler & Associates, Inc.
At a glance
Chandler & Associates is the operator of record for 302 catalogued U.S. oil & gas wells in 4 states. 1 (0.3%) are active, 238 (79%) plugged & abandoned. Its largest concentration is in Colorado, with 214 wells (71% of its portfolio).
Wells operated
302
Active
1
Plugged
238
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Colorado | 214 |
| North Dakota | 62 |
| Montana | 20 |
| Kentucky | 6 |
Well mix
- Oil wells
- 78
- Gas wells
- 11
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Chandler & Associates operate?
Chandler & Associates's catalogued wells are spread across 4 states: Colorado (214), North Dakota (62), Montana (20) and Kentucky (6). Its 214 Colorado wells are 0.2% 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 Chandler & Associates’s wells are active, plugged or orphaned?
0.3% of Chandler & Associates's catalogued wells are active, 29 percentage points below the national share of 29%. 79% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Chandler & Associates operate?
By product class, 78 (26%) are oil wells and 11 (4%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is U. S. Government 1-27 in Mckenzie, ND at 12,318 ft. The wells listed below sit in Mckenzie (ND), Burke (ND), Weld (CO), Sheridan (MT), Elbert (CO) and Arapahoe (CO) and other counties. 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 Chandler & Associates
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| U. S. Government 1-27 | 33-053-00618 | Plugged & abandoned | Oil | Mckenzie, ND | Chandler & Associates, Inc. | 12,318 ft |
| Ewing 3-3 | 33-013-00755 | Plugged & abandoned | Oil | Burke, ND | Chandler & Associates, Inc. | 9,405 ft |
| 1 Yancey | 05-123-05227 | Plugged & abandoned | Other type | Weld, CO | Chandler & Associates LLC | 9,151 ft |
| Richardson 1 | 25-091-21178 | Plugged & abandoned | Other type | Sheridan, MT | Chandler & Associates, Inc. | 9,150 ft |
| 16-3 Davidson | 05-039-06153 | Plugged & abandoned | Oil | Elbert, CO | Chandler & Associates LLC | 8,936 ft |
| 1-34 Coal-Butte-State | 05-005-06592 | Plugged & abandoned | Other type | Arapahoe, CO | Chandler & Associates LLC | 8,866 ft |
| 3-2 Erickson | 05-039-06166 | Plugged & abandoned | Other type | Elbert, CO | Chandler & Associates LLC | 8,732 ft |
| 1-2 Gates | 05-039-06164 | Plugged & abandoned | Other type | Elbert, CO | Chandler & Associates LLC | 8,703 ft |
| 16-25 Grimm | 05-001-06569 | Plugged & abandoned | Other type | Adams, CO | Chandler & Associates LLC | 8,696 ft |
| Wilson 2-33 | 33-013-00748 | Plugged & abandoned | Oil | Burke, ND | Chandler & Associates, Inc. | 8,680 ft |
| 16-16 Buckley- State | 05-005-06554 | Plugged & abandoned | Other type | Arapahoe, CO | Chandler & Associates LLC | 8,665 ft |
| 5-17 Ne Lowry-State | 05-005-06572 | Plugged & abandoned | Other type | Arapahoe, CO | Chandler & Associates LLC | 8,630 ft |
Deepest first where depth is published. See all 302 wells →
Frequently asked questions
How many wells does Chandler & Associates operate?
Chandler & Associates is the operator of record for 302 catalogued oil & gas wells, with the largest concentration in Colorado (214). Only wells in states WellCensus has ingested are counted.
How many of Chandler & Associates's wells are still active?
1 of Chandler & Associates's catalogued wells are active; 238 are plugged & abandoned.
In which states does Chandler & Associates operate wells?
Chandler & Associates is the operator of record for wells in Colorado (214), North Dakota (62), Montana (20) and Kentucky (6).
Does Chandler & Associates operate mostly oil or gas wells?
78 of Chandler & Associates's catalogued wells are oil wells and 11 are gas wells; the rest are injection, service or unclassified wells.
What is Chandler & Associates's deepest well?
Among wells with a published depth, U. S. Government 1-27 in Mckenzie, ND is the deepest at 12,318 ft.
Where Chandler & Associates's wells are
- Oil & gas wells in Colorado· 214 operated by Chandler & Associates
- Oil & gas wells in North Dakota· 62 operated by Chandler & Associates
- Oil & gas wells in Montana· 20 operated by Chandler & Associates
- Oil & gas wells in Kentucky· 6 operated by Chandler & Associates
- 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, “Chandler & Associates — well portfolio”, https://wellcensus.com/operators/chandler-associates-2410 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).