Schlensker Drilling
Operator of record for 22 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Schlensker Drilling is the operator of record for 22 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 21 (95%) are plugged & abandoned. Its largest concentration is in Illinois, with 22 wells (100% of its portfolio).
Wells operated
22
Active
0
Plugged
21
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 22 |
Well mix
- Oil wells
- 5
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Schlensker Drilling operate?
Schlensker Drilling's catalogued wells are spread across 1 state: Illinois (22). Its 22 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 Schlensker Drilling’s wells are active, plugged or orphaned?
0% of Schlensker Drilling's catalogued wells are active, 29 percentage points below the national share of 29%. 95% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Schlensker Drilling operate?
By product class, 5 (23%) are oil wells and 1 (5%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Piper, J. C. Heirs 1 in Lawrence, IL at 3,612 ft. The wells listed below sit in Lawrence (IL), Hamilton (IL), Jasper (IL) and Richland (IL).
Notable wells operated by Schlensker Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Piper, J. C. Heirs 1 | 12-101-27745 | Plugged & abandoned | Other type | Lawrence, IL | Schlensker Drilling Corp | 3,612 ft |
| Wright, Verus 1 | 12-101-27766 | Plugged & abandoned | Other type | Lawrence, IL | Schlensker Drilling Corp | 3,575 ft |
| Nichols, Willis 1 | 12-101-27784 | Plugged & abandoned | Oil | Lawrence, IL | Schlensker Drilling Corp | 3,450 ft |
| Updike, Mary etal 1 | 12-101-27828 | Other status | Oil | Lawrence, IL | Schlensker Drilling Corp | 3,353 ft |
| Ashland Exploration - Howard Trust 1 | 12-065-24693 | Plugged & abandoned | Oil | Hamilton, IL | Schlensker Drilling Corp | 3,230 ft |
| Ashland Expl 2 | 12-065-24827 | Plugged & abandoned | Other type | Hamilton, IL | Schlensker Drilling Corp | 3,212 ft |
| Kraus etal Unit 1 | 12-079-24093 | Plugged & abandoned | Other type | Jasper, IL | Schlensker Drilling Corp | 3,020 ft |
| Stout, Sherman etal 1 | 12-159-23983 | Plugged & abandoned | Other type | Richland, IL | Schlensker Drilling Corp | 3,000 ft |
| Crews 1 | 12-101-28024 | Plugged & abandoned | Other type | Lawrence, IL | Schlensker Drilling Corp | 2,384 ft |
| Funk, James 1A | 12-101-28101 | Plugged & abandoned | Other type | Lawrence, IL | Schlensker Drilling Corp | 2,255 ft |
| Gerhart, Rosa 1 | 12-101-28029 | Plugged & abandoned | Other type | Lawrence, IL | Schlensker Drilling Corp | 2,203 ft |
| Ferguson, Isolene 1 | 12-101-28170 | Plugged & abandoned | Other type | Lawrence, IL | Schlensker Drilling Corp | 2,105 ft |
Deepest first where depth is published. See all 22 wells →
Frequently asked questions
How many wells does Schlensker Drilling operate?
Schlensker Drilling is the operator of record for 22 catalogued oil & gas wells, with the largest concentration in Illinois (22). Only wells in states WellCensus has ingested are counted.
How many of Schlensker Drilling's wells are still active?
0 of Schlensker Drilling's catalogued wells are active; 21 are plugged & abandoned.
In which states does Schlensker Drilling operate wells?
Schlensker Drilling is the operator of record for wells in Illinois (22).
Does Schlensker Drilling operate mostly oil or gas wells?
5 of Schlensker Drilling's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Schlensker Drilling's deepest well?
Among wells with a published depth, Piper, J. C. Heirs 1 in Lawrence, IL is the deepest at 3,612 ft.
Where Schlensker Drilling'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, “Schlensker Drilling — well portfolio”, https://wellcensus.com/operators/schlensker-drilling-66866 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).