Sun Exploration And Production
Operator of record for 94 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: SUN EXPLORATION AND PRODUCTION CO · SUN EXPLORATION AND PRODUCTION COMPANY · Sun Exploration And Production Co · Sun Exploration and Production Company
At a glance
Sun Exploration And Production is the operator of record for 94 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 90 (96%) are plugged & abandoned. Its largest concentration is in Montana, with 63 wells (67% of its portfolio).
Wells operated
94
Active
0
Plugged
90
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 63 |
| Colorado | 18 |
| Michigan | 8 |
| Arkansas | 5 |
Well mix
- Oil wells
- 13
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
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Claim Sun Exploration And Production to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Sun Exploration And Production operate?
Sun Exploration And Production's catalogued wells are spread across 4 states: Montana (63), Colorado (18), Michigan (8) and Arkansas (5). Its 63 Montana wells are 0.1% of the 42,011 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 Sun Exploration And Production’s wells are active, plugged or orphaned?
0% of Sun Exploration And Production's catalogued wells are active, 29 percentage points below the national share of 29%. 96% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Sun Exploration And Production operate?
By product class, 13 (14%) are oil wells and 5 (5%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Giese Heirs 1 in Roosevelt, MT at 13,080 ft. The wells listed below sit in Roosevelt (MT), Richland (MT), Sheridan (MT), Lewis And Clark (MT) and Dawson (MT). 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 Sun Exploration And Production
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Giese Heirs 1 | 25-085-21197 | Plugged & abandoned | Other type | Roosevelt, MT | Sun Exploration And Production Co | 13,080 ft |
| Dynneson 1 | 25-083-05009 | Plugged & abandoned | Oil | Richland, MT | Sun Exploration And Production Co | 12,671 ft |
| C J Dynnesson 1 | 25-083-05007 | Plugged & abandoned | Other type | Richland, MT | Sun Exploration And Production Co | 12,648 ft |
| Burgess-Sunmark 1 | 25-083-21256 | Plugged & abandoned | Oil | Richland, MT | Sun Exploration And Production Co | 12,534 ft |
| Erdahl 1 | 25-091-21247 | Plugged & abandoned | Other type | Sheridan, MT | Sun Exploration And Production Co | 12,400 ft |
| D. Rasmussen 1 | 25-091-21238 | Plugged & abandoned | Other type | Sheridan, MT | Sun Exploration And Production Co | 12,166 ft |
| C R Mullin 1 | 25-083-21255 | Plugged & abandoned | Other type | Richland, MT | Sun Exploration And Production Co | 12,118 ft |
| J.B. Long 1-9 | 25-049-21006 | Plugged & abandoned | Other type | Lewis And Clark, MT | Sun Exploration And Production Co | 12,100 ft |
| I.B. Zuroff 1 | 25-021-21106 | Plugged & abandoned | Other type | Dawson, MT | Sun Exploration And Production Co | 11,400 ft |
| Frances Larson 1 | 25-091-21241 | Plugged & abandoned | Other type | Sheridan, MT | Sun Exploration And Production Co | 11,340 ft |
| Eidsness A 1 | 25-091-21301 | Plugged & abandoned | Oil | Sheridan, MT | Sun Exploration And Production Co | 11,040 ft |
| Pohle A 1 | 25-091-21435 | Plugged & abandoned | Other type | Sheridan, MT | Sun Exploration And Production Co | 10,880 ft |
Deepest first where depth is published. See all 94 wells →
Frequently asked questions
How many wells does Sun Exploration And Production operate?
Sun Exploration And Production is the operator of record for 94 catalogued oil & gas wells, with the largest concentration in Montana (63). Only wells in states WellCensus has ingested are counted.
How many of Sun Exploration And Production's wells are still active?
0 of Sun Exploration And Production's catalogued wells are active; 90 are plugged & abandoned.
In which states does Sun Exploration And Production operate wells?
Sun Exploration And Production is the operator of record for wells in Montana (63), Colorado (18), Michigan (8) and Arkansas (5).
Does Sun Exploration And Production operate mostly oil or gas wells?
13 of Sun Exploration And Production's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Sun Exploration And Production's deepest well?
Among wells with a published depth, Giese Heirs 1 in Roosevelt, MT is the deepest at 13,080 ft.
Where Sun Exploration And Production's wells are
- Oil & gas wells in Montana· 63 operated by Sun Exploration And Production
- Oil & gas wells in Colorado· 18 operated by Sun Exploration And Production
- Oil & gas wells in Michigan· 8 operated by Sun Exploration And Production
- Oil & gas wells in Arkansas· 5 operated by Sun Exploration And Production
- 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, “Sun Exploration And Production — well portfolio”, https://wellcensus.com/operators/sun-exploration-and-production-7173 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).