Impromptu Explor
Operator of record for 9 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Impromptu Explor is the operator of record for 9 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 9 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 9 wells (100% of its portfolio).
Wells operated
9
Active
0
Plugged
9
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 9 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Impromptu Explor operate?
Impromptu Explor's catalogued wells are spread across 1 state: Illinois (9). Its 9 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 Impromptu Explor’s wells are active, plugged or orphaned?
0% of Impromptu Explor's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Impromptu Explor 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 Hammam in Macoupin, IL at 515 ft.
Notable wells operated by Impromptu Explor
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hammam | 12-117-00075 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 515 ft |
| Hammann, Geo. 1 | 12-117-00114 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 507 ft |
| Hall, Freeman 2 | 12-117-00101 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 466 ft |
| Denby 1 | 12-117-00095 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 455 ft |
| Haacke | 12-117-00117 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 450 ft |
| Hall, V. 7 | 12-117-00102 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 413 ft |
| Hall 1 | 12-117-00100 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 409 ft |
| Hall, V. 8 | 12-117-00103 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 396 ft |
| Klein, 1 | 12-117-00096 | Plugged & abandoned | Other type | Macoupin, IL | Impromptu Explor Co | 381 ft |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Impromptu Explor operate?
Impromptu Explor is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in Illinois (9). Only wells in states WellCensus has ingested are counted.
How many of Impromptu Explor's wells are still active?
0 of Impromptu Explor's catalogued wells are active; 9 are plugged & abandoned.
In which states does Impromptu Explor operate wells?
Impromptu Explor is the operator of record for wells in Illinois (9).
Does Impromptu Explor operate mostly oil or gas wells?
0 of Impromptu Explor's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Impromptu Explor's deepest well?
Among wells with a published depth, Hammam in Macoupin, IL is the deepest at 515 ft.
Where Impromptu Explor'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, “Impromptu Explor — well portfolio”, https://wellcensus.com/operators/impromptu-explor-105359 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).