Exxonmobil Oil
Operator of record for 1,077 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: EXXONMOBIL OIL CORP · EXXONMOBIL OIL CORPORATION · EXXONMOBIL Oil Corp
At a glance
Exxonmobil Oil is the operator of record for 1,077 catalogued U.S. oil & gas wells in 3 states. 26 (2%) are active, 841 (78%) plugged & abandoned. Its largest concentration is in Oklahoma, with 666 wells (62% of its portfolio).
Wells operated
1,077
Active
26
Plugged
841
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 666 |
| Kansas | 308 |
| Michigan | 103 |
Well mix
- Oil wells
- 279
- Gas wells
- 184
- Shut-in
- 8
- Active share
- 2%
Is this your company?
Claim Exxonmobil Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Exxonmobil Oil operate?
Exxonmobil Oil's catalogued wells are spread across 3 states: Oklahoma (666), Kansas (308) and Michigan (103). Its 666 Oklahoma wells are 0.1% of the 456,595 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 Exxonmobil Oil’s wells are active, plugged or orphaned?
2% of Exxonmobil Oil's catalogued wells are active, 26 percentage points below the national share of 29%. 78% are plugged & abandoned, against 47% nationally. 8 wells (0.7%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Exxonmobil Oil operate?
By product class, 279 (26%) are oil wells and 184 (17%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is State Hartwick & Yarhouse 1-27 in Osceola, MI at 11,500 ft. The wells listed below sit in Osceola (MI), Ogemaw (MI), Stevens (KS), Ingham (MI), Livingston (MI) and Shiawassee (MI) and other counties. State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Exxonmobil Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| State Hartwick & Yarhouse 1-27 | 21-133-42945 | Plugged & abandoned | Other type | Osceola, MI | Exxonmobil Oil Corp | 11,500 ft |
| State Foster 1-12 | 21-129-42396 | Plugged & abandoned | Other type | Ogemaw, MI | Exxonmobil Oil Corp | 11,485 ft |
| Headrick, J. A. 1 | 15-189-30077 | Plugged & abandoned | Gas | Stevens, KS | EXXONMOBIL Oil Corp | 8,000 ft |
| Kranz, Walter Jr 1 | 21-065-28607 | Other status | Other type | Ingham, MI | Exxonmobil Oil Corp | 7,866 ft |
| Messmore, Howard J 1 | 21-093-27986 | Other status | Other type | Livingston, MI | Exxonmobil Oil Corp | 7,589 ft |
| Fred Brownell 1 | 15-189-20836 | Plugged & abandoned | Other type | Stevens, KS | EXXONMOBIL Oil Corp | 7,574 ft |
| Jelinek & Ferris Unit 1 | 21-155-27907 | Other status | Other type | Shiawassee, MI | Exxonmobil Oil Corp | 7,056 ft |
| Cutter 1 | 15-189-00026 | Plugged & abandoned | Injection | Stevens, KS | EXXONMOBIL Oil Corp | 6,978 ft |
| Baker Unit 1-4 | 15-189-21345 | Plugged & abandoned | Other type | Stevens, KS | EXXONMOBIL Oil Corp | 6,950 ft |
| Kelly, Gladys Unit 1 | 21-045-29117 | Other status | Other type | Eaton, MI | Exxonmobil Oil Corp | 6,922 ft |
| CUNNINGHAM UNIT 126, was CREAMER ESTATE 1 3 | 15-189-20006 | Plugged & abandoned | Gas | Stevens, KS | EXXONMOBIL Oil Corp | 6,914 ft |
| Baker Unit 3 | 15-189-20940 | Active | Injection | Stevens, KS | EXXONMOBIL Oil Corp | 6,900 ft |
Deepest first where depth is published. See all 1,077 wells →
Frequently asked questions
How many wells does Exxonmobil Oil operate?
Exxonmobil Oil is the operator of record for 1,077 catalogued oil & gas wells, with the largest concentration in Oklahoma (666). Only wells in states WellCensus has ingested are counted.
How many of Exxonmobil Oil's wells are still active?
26 of Exxonmobil Oil's catalogued wells are active; 841 are plugged & abandoned.
In which states does Exxonmobil Oil operate wells?
Exxonmobil Oil is the operator of record for wells in Oklahoma (666), Kansas (308) and Michigan (103).
Does Exxonmobil Oil operate mostly oil or gas wells?
279 of Exxonmobil Oil's catalogued wells are oil wells and 184 are gas wells; the rest are injection, service or unclassified wells.
What is Exxonmobil Oil's deepest well?
Among wells with a published depth, State Hartwick & Yarhouse 1-27 in Osceola, MI is the deepest at 11,500 ft.
Where Exxonmobil 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, “Exxonmobil Oil — well portfolio”, https://wellcensus.com/operators/exxonmobil-oil-507 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).