Mapco Oil & Gas
Operator of record for 10 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: MAPCO OIL & GAS CO · MAPCO OIL & GAS COMPANY · MAPCO Oil & Gas Co. · Mapco Oil & Gas Company
At a glance
Mapco Oil & Gas is the operator of record for 10 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 7 (70%) are plugged & abandoned. Its largest concentration is in Utah, with 5 wells (50% of its portfolio).
Wells operated
10
Active
0
Plugged
7
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Utah | 5 |
| Illinois | 3 |
| Louisiana | 1 |
| Oklahoma | 1 |
Well mix
- Oil wells
- 5
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Mapco Oil & Gas operate?
Mapco Oil & Gas's catalogued wells are spread across 4 states: Utah (5), Illinois (3), Louisiana (1) and Oklahoma (1). Its 5 Utah wells are 0.0% 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 Oil & Gas’s wells are active, plugged or orphaned?
0% of Mapco Oil & Gas's catalogued wells are active, 29 percentage points below the national share of 29%. 70% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mapco Oil & Gas operate?
By product class, 5 (50%) are oil wells and 1 (10%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Newlin, R. 1 in Clark, IL at 2,874 ft. The wells listed below sit in Clark (IL), Uintah (UT), Duchesne (UT), Beauregard (LA) and Love (OK). 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 Mapco Oil & Gas
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Newlin, R. 1 | 12-023-24459 | Plugged & abandoned | Other type | Clark, IL | MAPCO Oil & Gas Co. | 2,874 ft |
| Baughman, E. 1 | 12-023-24458 | Plugged & abandoned | Other type | Clark, IL | MAPCO Oil & Gas Co. | 2,599 ft |
| Kuhn, F. 1 | 12-023-24464 | Plugged & abandoned | Other type | Clark, IL | MAPCO Oil & Gas Co. | 2,434 ft |
| Rbu 1-10d | 43-047-31585 | Other status | Oil | Uintah, UT | Mapco Oil & Gas Company | — |
| Rbu 11-35b | 43-047-31442 | Other status | Gas | Uintah, UT | Mapco Oil & Gas Company | — |
| Fisher 1-12 | 43-013-30279 | Plugged & abandoned | Oil | Duchesne, UT | Mapco Oil & Gas Company | — |
| Musser Davis B 002 | 17-011-20657 | Other status | Other type | Beauregard, LA | Mapco Oil & Gas Company | — |
| Yeatts #1 | 35-085-20398 | Plugged & abandoned | Oil | Love, OK | Mapco Oil & Gas Co | — |
| Dennie Ralphs 1-6 | 43-013-30166 | Plugged & abandoned | Oil | Duchesne, UT | Mapco Oil & Gas Company | — |
| 13 Dennie Ralphs 1-5 | 43-013-30165 | Plugged & abandoned | Oil | Duchesne, UT | Mapco Oil & Gas Company | — |
Deepest first where depth is published. See all 10 wells →
Frequently asked questions
How many wells does Mapco Oil & Gas operate?
Mapco Oil & Gas is the operator of record for 10 catalogued oil & gas wells, with the largest concentration in Utah (5). Only wells in states WellCensus has ingested are counted.
How many of Mapco Oil & Gas's wells are still active?
0 of Mapco Oil & Gas's catalogued wells are active; 7 are plugged & abandoned.
In which states does Mapco Oil & Gas operate wells?
Mapco Oil & Gas is the operator of record for wells in Utah (5), Illinois (3), Louisiana (1) and Oklahoma (1).
Does Mapco Oil & Gas operate mostly oil or gas wells?
5 of Mapco Oil & Gas's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Mapco Oil & Gas's deepest well?
Among wells with a published depth, Newlin, R. 1 in Clark, IL is the deepest at 2,874 ft.
Where Mapco Oil & Gas'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, “Mapco Oil & Gas — well portfolio”, https://wellcensus.com/operators/mapco-oil-gas-18747 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).