Marathon Petroleum
Operator of record for 6 catalogued wells across 2 states. Every well below links to its full registry page.
At a glance
Marathon Petroleum is the operator of record for 6 catalogued U.S. oil & gas wells in 2 states. 4 (67%) are active, 2 (33%) plugged & abandoned. Its largest concentration is in Illinois, with 5 wells (83% of its portfolio).
Wells operated
6
Active
4
Plugged
2
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 5 |
| Ohio | 1 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 67%
Is this your company?
Claim Marathon Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Marathon Petroleum operate?
Marathon Petroleum's catalogued wells are spread across 2 states: Illinois (5) and Ohio (1). Its 5 Illinois wells are 0.0% of the 174,478 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 Marathon Petroleum’s wells are active, plugged or orphaned?
67% of Marathon Petroleum's catalogued wells are active, 38 percentage points above the national share of 29%. 33% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Marathon Petroleum operate?
By product class, 0 (0%) 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 Ashland Oil #gs-2 G.S. 2 in Stark, OH at 3,641 ft. The wells listed below sit in Stark (OH) and Crawford (IL).
Notable wells operated by Marathon Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Ashland Oil #gs-2 G.S. 2 | 34-151-60051 | Active | Injection | Stark, OH | Marathon Petroleum Company LP | 3,641 ft |
| Production Monitoring Well PM-1 | 12-033-38192 | Plugged & abandoned | Other type | Crawford, IL | Marathon Petroleum Company LP | 815 ft |
| Service Shaft R-96-2 | 12-033-38130 | Active | Injection | Crawford, IL | Marathon Petroleum Company LP | 799 ft |
| Production Shaft R-96-1 | 12-033-38129 | Active | Injection | Crawford, IL | Marathon Petroleum Company LP | 785 ft |
| Directional Monitoring Well HOR-1 | 12-033-38189 | Plugged & abandoned | Injection | Crawford, IL | Marathon Petroleum Company LP | 766 ft |
| Vent Shaft R-96-3 | 12-033-38131 | Active | Injection | Crawford, IL | Marathon Petroleum Company LP | 722 ft |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Marathon Petroleum operate?
Marathon Petroleum is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Illinois (5). Only wells in states WellCensus has ingested are counted.
How many of Marathon Petroleum's wells are still active?
4 of Marathon Petroleum's catalogued wells are active; 2 are plugged & abandoned.
In which states does Marathon Petroleum operate wells?
Marathon Petroleum is the operator of record for wells in Illinois (5) and Ohio (1).
Does Marathon Petroleum operate mostly oil or gas wells?
0 of Marathon Petroleum's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Marathon Petroleum's deepest well?
Among wells with a published depth, Ashland Oil #gs-2 G.S. 2 in Stark, OH is the deepest at 3,641 ft.
Where Marathon Petroleum'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, “Marathon Petroleum — well portfolio”, https://wellcensus.com/operators/marathon-petroleum-91521 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).