Mapco Production
Operator of record for 57 catalogued wells across 6 states. Every well below links to its full registry page.
Filed as: MAPCO PRODUCTION CO · MAPCO PRODUCTION CO. · Mapco Production Co · Mapco Production Co. · …
At a glance
Mapco Production is the operator of record for 57 catalogued U.S. oil & gas wells in 6 states. None is listed as active, 26 (46%) are plugged & abandoned and 2 flagged as orphaned. Its largest concentration is in Utah, with 29 wells (51% of its portfolio).
Wells operated
57
Active
0
Plugged
26
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Utah | 29 |
| Montana | 14 |
| North Dakota | 5 |
| Arkansas | 3 |
| Kansas | 3 |
| Oklahoma | 3 |
Well mix
- Oil wells
- 23
- Gas wells
- 14
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Mapco Production operate?
Mapco Production's catalogued wells are spread across 6 states: Utah (29), Montana (14), North Dakota (5), Arkansas (3) and Kansas (3) and 1 more. Its 29 Utah wells are 0.1% of the 40,139 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 Mapco Production’s wells are active, plugged or orphaned?
0% of Mapco Production's catalogued wells are active, 29 percentage points below the national share of 29%. 46% are plugged & abandoned, against 47% nationally. 2 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Mapco Production operate?
By product class, 23 (40%) are oil wells and 14 (25%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Ncga 14-33 in Williams, ND at 14,928 ft. The wells listed below sit in Williams (ND), Wibaux (MT), Golden Valley (ND), Mccone (MT), Roosevelt (MT) and Hill (MT) and other counties. State filings spell the name 5 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Mapco Production
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Ncga 14-33 | 33-105-00868 | Plugged & abandoned | Oil | Williams, ND | Mapco Production Co. | 14,928 ft |
| Eddy/Mitchell 11-21 | 33-105-01137 | Plugged & abandoned | Oil | Williams, ND | Mapco Production Co. | 12,923 ft |
| Nunberg 4-17 | 25-109-21049 | Plugged & abandoned | Other type | Wibaux, MT | Mapco Production Company | 10,928 ft |
| Babcock 6-25 | 33-033-00137 | Plugged & abandoned | Oil | Golden Valley, ND | Mapco Production Co. | 9,205 ft |
| Hanks 13-33 | 25-055-21146 | Plugged & abandoned | Other type | Mccone, MT | Mapco Production Company | 8,070 ft |
| Tribal 2-32 | 25-085-21349 | Plugged & abandoned | Other type | Roosevelt, MT | Mapco Production Company | 7,960 ft |
| Lockman 3-34 | 25-085-21392 | Plugged & abandoned | Other type | Roosevelt, MT | Mapco Production Company | 7,951 ft |
| Tribal 11-27 | 25-085-21346 | Plugged & abandoned | Other type | Roosevelt, MT | Mapco Production Company | 7,850 ft |
| J.D.Romain 1-25 | 25-041-21919 | Plugged & abandoned | Other type | Hill, MT | Mapco Production Company | 4,178 ft |
| Gollaher 1-8 | 25-013-21019 | Other status | Other type | Cascade, MT | Mapco Production Company | 3,254 ft |
| State 1-24 | 25-051-21489 | Plugged & abandoned | Other type | Liberty, MT | Mapco Production Company | 2,940 ft |
| Eveland 1 | 25-051-21471 | Plugged & abandoned | Other type | Liberty, MT | Mapco Production Company | 2,800 ft |
Deepest first where depth is published. See all 57 wells →
Frequently asked questions
How many wells does Mapco Production operate?
Mapco Production is the operator of record for 57 catalogued oil & gas wells, with the largest concentration in Utah (29). Only wells in states WellCensus has ingested are counted.
How many of Mapco Production's wells are still active?
0 of Mapco Production's catalogued wells are active; 26 are plugged & abandoned and 2 are flagged as orphaned.
In which states does Mapco Production operate wells?
Mapco Production is the operator of record for wells in Utah (29), Montana (14), North Dakota (5), Arkansas (3), Kansas (3) and Oklahoma (3).
Does Mapco Production operate mostly oil or gas wells?
23 of Mapco Production's catalogued wells are oil wells and 14 are gas wells; the rest are injection, service or unclassified wells.
What is Mapco Production's deepest well?
Among wells with a published depth, Ncga 14-33 in Williams, ND is the deepest at 14,928 ft.
Where Mapco Production's wells are
- Oil & gas wells in Utah· 29 operated by Mapco Production
- Oil & gas wells in Montana· 14 operated by Mapco Production
- Oil & gas wells in North Dakota· 5 operated by Mapco Production
- Oil & gas wells in Arkansas· 3 operated by Mapco Production
- Oil & gas wells in Kansas· 3 operated by Mapco Production
- Oil & gas wells in Oklahoma· 3 operated by Mapco 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, “Mapco Production — well portfolio”, https://wellcensus.com/operators/mapco-production-11205 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).