Capitol Exploration
Operator of record for 8 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Capitol Exploration is the operator of record for 8 catalogued U.S. oil & gas wells in 1 state. 1 (13%) are active, 7 (88%) plugged & abandoned. Its largest concentration is in Illinois, with 8 wells (100% of its portfolio).
Wells operated
8
Active
1
Plugged
7
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 8 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 13%
Is this your company?
Claim Capitol Exploration to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Capitol Exploration operate?
Capitol Exploration's catalogued wells are spread across 1 state: Illinois (8). Its 8 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 Capitol Exploration’s wells are active, plugged or orphaned?
13% of Capitol Exploration's catalogued wells are active, 16 percentage points below the national share of 29%. 88% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Capitol Exploration operate?
By product class, 5 (63%) 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 Gaither, Opal 1 in Wayne, IL at 4,050 ft. The wells listed below sit in Wayne (IL), Clay (IL) and Hamilton (IL).
Notable wells operated by Capitol Exploration
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Gaither, Opal 1 | 12-191-30275 | Active | Oil | Wayne, IL | Capitol Exploration Co. | 4,050 ft |
| Dalton, C. 1 | 12-191-30269 | Plugged & abandoned | Oil | Wayne, IL | Capitol Exploration Co. | 4,050 ft |
| Renshaw Arthur 1 | 12-191-30378 | Plugged & abandoned | Other type | Wayne, IL | Capitol Exploration Co. | 3,990 ft |
| Dalton, Wallace 1 | 12-191-30256 | Plugged & abandoned | Oil | Wayne, IL | Capitol Exploration Co. | 3,945 ft |
| Atwood, Kelley 1 | 12-191-30227 | Plugged & abandoned | Oil | Wayne, IL | Capitol Exploration Co. | 3,920 ft |
| Ullom 1 | 12-025-26794 | Plugged & abandoned | Oil | Clay, IL | Capitol Exploration Co. | 3,784 ft |
| Ullom, Vancil 2 | 12-025-27227 | Plugged & abandoned | Other type | Clay, IL | Capitol Exploration Co. | 3,650 ft |
| Walpole Unit W-3 | 12-065-03198 | Plugged & abandoned | Injection | Hamilton, IL | Capitol Exploration Co. | 3,193 ft |
Deepest first where depth is published. See all 8 wells →
Frequently asked questions
How many wells does Capitol Exploration operate?
Capitol Exploration is the operator of record for 8 catalogued oil & gas wells, with the largest concentration in Illinois (8). Only wells in states WellCensus has ingested are counted.
How many of Capitol Exploration's wells are still active?
1 of Capitol Exploration's catalogued wells are active; 7 are plugged & abandoned.
In which states does Capitol Exploration operate wells?
Capitol Exploration is the operator of record for wells in Illinois (8).
Does Capitol Exploration operate mostly oil or gas wells?
5 of Capitol Exploration's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Capitol Exploration's deepest well?
Among wells with a published depth, Gaither, Opal 1 in Wayne, IL is the deepest at 4,050 ft.
Where Capitol Exploration'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, “Capitol Exploration — well portfolio”, https://wellcensus.com/operators/capitol-exploration-94047 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).