Simcox Oil
Operator of record for 14 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Simcox Oil is the operator of record for 14 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 13 (93%) are plugged & abandoned. Its largest concentration is in North Dakota, with 14 wells (100% of its portfolio).
Wells operated
14
Active
0
Plugged
13
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| North Dakota | 14 |
Well mix
- Oil wells
- 14
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Simcox Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Simcox Oil operate?
Simcox Oil's catalogued wells are spread across 1 state: North Dakota (14). Its 14 North Dakota wells are 0.0% of the 43,680 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 Simcox Oil’s wells are active, plugged or orphaned?
0% of Simcox Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 93% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Simcox Oil operate?
By product class, 14 (100%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Jens Briggs 1 in Burke, ND at 6,080 ft. The wells listed below sit in Burke (ND), Ward (ND) and Bottineau (ND).
Notable wells operated by Simcox Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Jens Briggs 1 | 33-013-00291 | Plugged & abandoned | Oil | Burke, ND | Simcox Oil Co. | 6,080 ft |
| John Koch 1 | 33-013-00209 | Plugged & abandoned | Oil | Burke, ND | Simcox Oil Co. | 6,054 ft |
| Christensen-Grady 1 | 33-013-00458 | Plugged & abandoned | Oil | Burke, ND | Simcox Oil Co. | 5,969 ft |
| John P. Skeem 1 | 33-013-00344 | Plugged & abandoned | Oil | Burke, ND | Simcox Oil Co. | 5,794 ft |
| Rueben Larsen 1 | 33-013-00429 | Plugged & abandoned | Oil | Burke, ND | Simcox Oil Co. | 5,790 ft |
| Clarence Chilson 1 | 33-101-00045 | Plugged & abandoned | Oil | Ward, ND | Simcox Oil Co. | 4,683 ft |
| Jay E. Reed 1 | 33-009-00645 | Plugged & abandoned | Oil | Bottineau, ND | Simcox Oil Co. | 4,410 ft |
| J. Vernon Asheim-Bnd 1 | 33-009-00704 | Plugged & abandoned | Oil | Bottineau, ND | Simcox Oil Co. | 4,407 ft |
| Asheim-Federal Land Bank 1 | 33-009-00556 | Plugged & abandoned | Oil | Bottineau, ND | Simcox Oil Co. | 4,400 ft |
| Arvid Haugan 1 | 33-009-00683 | Plugged & abandoned | Oil | Bottineau, ND | Simcox Oil Co. | 4,324 ft |
| Paul Haakenson 1 | 33-009-00735 | Plugged & abandoned | Oil | Bottineau, ND | Simcox Oil Co. | 4,170 ft |
| Bergstrom B 1 | 33-009-00725 | Plugged & abandoned | Oil | Bottineau, ND | Simcox Oil Co. | 4,041 ft |
Deepest first where depth is published. See all 14 wells →
Frequently asked questions
How many wells does Simcox Oil operate?
Simcox Oil is the operator of record for 14 catalogued oil & gas wells, with the largest concentration in North Dakota (14). Only wells in states WellCensus has ingested are counted.
How many of Simcox Oil's wells are still active?
0 of Simcox Oil's catalogued wells are active; 13 are plugged & abandoned.
In which states does Simcox Oil operate wells?
Simcox Oil is the operator of record for wells in North Dakota (14).
Does Simcox Oil operate mostly oil or gas wells?
14 of Simcox Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Simcox Oil's deepest well?
Among wells with a published depth, Jens Briggs 1 in Burke, ND is the deepest at 6,080 ft.
Where Simcox Oil'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, “Simcox Oil — well portfolio”, https://wellcensus.com/operators/simcox-oil-2307 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).