Chicago Petro
Operator of record for 14 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: Chicago Petro. Co. · Chicago Petro. Corp.
At a glance
Chicago Petro is the operator of record for 14 catalogued U.S. oil & gas wells in 2 states. 4 (29%) are active, 9 (64%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 13 wells (93% of its portfolio).
Wells operated
14
Active
4
Plugged
9
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 13 |
| California | 1 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 29%
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Claim Chicago Petro to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Chicago Petro operate?
Chicago Petro's catalogued wells are spread across 2 states: Illinois (13) and California (1). Its 13 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 Chicago Petro’s wells are active, plugged or orphaned?
29% of Chicago Petro's catalogued wells are active, close to the national share of 29%. 64% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Chicago Petro operate?
By product class, 4 (29%) 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 Frieman Verne 1 in Washington, IL at 2,419 ft. The wells listed below sit in Washington (IL) and Clark (IL). 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 Chicago Petro
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Frieman Verne 1 | 12-189-01760 | Plugged & abandoned | Other type | Washington, IL | Chicago Petro. Corp. | 2,419 ft |
| Gibson, Edwin 1 | 12-023-00234 | Plugged & abandoned | Other type | Clark, IL | Chicago Petro. Corp. | 2,388 ft |
| Hunleth 1 | 12-189-01763 | Plugged & abandoned | Other type | Washington, IL | Chicago Petro. Corp. | 2,356 ft |
| Coulter Comm 1 | 12-189-01736 | Plugged & abandoned | Oil | Washington, IL | Chicago Petro. Corp. | 2,282 ft |
| Schwengels, William 1 | 12-189-01577 | Plugged & abandoned | Other type | Washington, IL | Chicago Petro. Corp. | 1,338 ft |
| Miller L M 2 | 12-189-00193 | Active | Injection | Washington, IL | Chicago Petro. Corp. | 1,291 ft |
| Kozuszek Tom 1 | 12-189-00183 | Active | Injection | Washington, IL | Chicago Petro. Corp. | 1,290 ft |
| Bielatowicz H 1-A | 12-189-00144 | Plugged & abandoned | Injection | Washington, IL | Chicago Petro. Corp. | 1,289 ft |
| Kozuszek Tom 6 | 12-189-01705 | Plugged & abandoned | Injection | Washington, IL | Chicago Petro. Corp. | 1,280 ft |
| Miller E B 2 | 12-189-01701 | Active | Oil | Washington, IL | Chicago Petro. Corp. | 1,274 ft |
| Pinski Lawrence 1 | 12-189-00366 | Active | Oil | Washington, IL | Chicago Petro. Corp. | 1,261 ft |
| Thompson W G 1 | 12-189-01741 | Plugged & abandoned | Other type | Washington, IL | Chicago Petro. Corp. | 1,226 ft |
Deepest first where depth is published. See all 14 wells →
Frequently asked questions
How many wells does Chicago Petro operate?
Chicago Petro is the operator of record for 14 catalogued oil & gas wells, with the largest concentration in Illinois (13). Only wells in states WellCensus has ingested are counted.
How many of Chicago Petro's wells are still active?
4 of Chicago Petro's catalogued wells are active; 9 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Chicago Petro operate wells?
Chicago Petro is the operator of record for wells in Illinois (13) and California (1).
Does Chicago Petro operate mostly oil or gas wells?
4 of Chicago Petro's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Chicago Petro's deepest well?
Among wells with a published depth, Frieman Verne 1 in Washington, IL is the deepest at 2,419 ft.
Where Chicago Petro'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, “Chicago Petro — well portfolio”, https://wellcensus.com/operators/chicago-petro-3857 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).