Hassler John J
Operator of record for 26 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: HASSLER, JOHN J · Hassler John J
At a glance
Hassler John J is the operator of record for 26 catalogued U.S. oil & gas wells in 2 states. 1 (4%) are active, 17 (65%) plugged & abandoned. Its largest concentration is in Kentucky, with 25 wells (96% of its portfolio).
Wells operated
26
Active
1
Plugged
17
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 25 |
| Illinois | 1 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 4%
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Claim your operator profileWhere does Hassler John J operate?
Hassler John J's catalogued wells are spread across 2 states: Kentucky (25) and Illinois (1). Its 25 Kentucky wells are 0.0% of the 201,022 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 Hassler John J’s wells are active, plugged or orphaned?
4% of Hassler John J's catalogued wells are active, 25 percentage points below the national share of 29%. 65% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Hassler John J operate?
By product class, 4 (15%) 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 Bunn Sam & Lee 1 in Richland, IL at 3,180 ft. The wells listed below sit in Richland (IL), Henderson (KY), Daviess (KY) and Mclean (KY). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Hassler John J
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bunn Sam & Lee 1 | 12-159-00069 | Plugged & abandoned | Other type | Richland, IL | Hassler John J | 3,180 ft |
| Waller, Wright & Prudential Ins 1 | 16-101-05576 | Plugged & abandoned | Other type | Henderson, KY | Hassler, John J | 2,525 ft |
| Zeller, Margie Ann 1 | 16-101-05577 | Plugged & abandoned | Other type | Henderson, KY | Hassler, John J | 2,475 ft |
| Sandefur 1 | 16-059-02488 | Plugged & abandoned | Oil | Daviess, KY | Hassler, John J | 2,240 ft |
| Hayden, Edgar 1 | 16-059-06612 | Plugged & abandoned | Other type | Daviess, KY | Hassler, John J | 2,200 ft |
| Erwin, Sally 1w | 16-059-04771 | Plugged & abandoned | Injection | Daviess, KY | Hassler, John J | 2,177 ft |
| Erwin, Sally Estate 1 | 16-059-04770 | Plugged & abandoned | Other type | Daviess, KY | Hassler, John J | 2,177 ft |
| Whitaker 1 | KGS record 2025503 | Other status | Other type | Mclean, KY | Hassler, John J | 2,151 ft |
| Hayden, Edgar 4 | 16-059-05049 | Plugged & abandoned | Oil | Daviess, KY | Hassler, John J | 1,890 ft |
| Hayden, Edgar 3 | 16-059-05048 | Plugged & abandoned | Oil | Daviess, KY | Hassler, John J | 1,890 ft |
| Hayden, Hugh 1 | 16-059-05051 | Plugged & abandoned | Other type | Daviess, KY | Hassler, John J | 1,875 ft |
| Erwin, S C 1 | 16-059-00471 | Active | Oil | Daviess, KY | Hassler, John J | 1,868 ft |
Deepest first where depth is published. See all 26 wells →
Frequently asked questions
How many wells does Hassler John J operate?
Hassler John J is the operator of record for 26 catalogued oil & gas wells, with the largest concentration in Kentucky (25). Only wells in states WellCensus has ingested are counted.
How many of Hassler John J's wells are still active?
1 of Hassler John J's catalogued wells are active; 17 are plugged & abandoned.
In which states does Hassler John J operate wells?
Hassler John J is the operator of record for wells in Kentucky (25) and Illinois (1).
Does Hassler John J operate mostly oil or gas wells?
4 of Hassler John J's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Hassler John J's deepest well?
Among wells with a published depth, Bunn Sam & Lee 1 in Richland, IL is the deepest at 3,180 ft.
Where Hassler John J'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, “Hassler John J — well portfolio”, https://wellcensus.com/operators/hassler-john-j-98381 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).