Constantin E Jr
Operator of record for 286 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Constantin, E. Jr. · Constantin, E., Jr.
At a glance
Constantin E Jr is the operator of record for 286 catalogued U.S. oil & gas wells in 1 state. 86 (30%) are active, 193 (67%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 286 wells (100% of its portfolio).
Wells operated
286
Active
86
Plugged
193
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 286 |
Well mix
- Oil wells
- 128
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 30%
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Claim your operator profileWhere does Constantin E Jr operate?
Constantin E Jr's catalogued wells are spread across 1 state: Illinois (286). Its 286 Illinois wells are 0.2% 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 Constantin E Jr’s wells are active, plugged or orphaned?
30% of Constantin E Jr's catalogued wells are active, close to the national share of 29%. 67% 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 Constantin E Jr operate?
By product class, 128 (45%) 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 Bowen 1 in Crawford, IL at 2,000 ft. 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 Constantin E Jr
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bowen 1 | 12-033-00453 | Plugged & abandoned | Other type | Crawford, IL | Constantin, E. Jr. | 2,000 ft |
| Homan O-2 | 12-033-05744 | Plugged & abandoned | Other type | Crawford, IL | Constantin, E. Jr. | 1,870 ft |
| Devee, F. 1 | 12-033-03630 | Plugged & abandoned | Other type | Crawford, IL | Constantin, E., Jr. | 1,632 ft |
| Emmons 0-4 | 12-033-03622 | Plugged & abandoned | Oil | Crawford, IL | Constantin, E. Jr. | 1,498 ft |
| Emmons 0-2 | 12-033-03621 | Plugged & abandoned | Oil | Crawford, IL | Constantin, E. Jr. | 1,496 ft |
| Haskins, R. 0-8 | 12-033-01195 | Plugged & abandoned | Other type | Crawford, IL | Constantin, E. Jr. | 1,461 ft |
| Buser 0-1 | 12-033-01533 | Plugged & abandoned | Oil | Crawford, IL | Constantin, E., Jr. | 1,391 ft |
| Shidler 1 | 12-033-00457 | Plugged & abandoned | Other type | Crawford, IL | Constantin, E., Jr. | 1,359 ft |
| Haskins, R. 0-4 | 12-033-01226 | Plugged & abandoned | Other type | Crawford, IL | Constantin, E., Jr. | 1,336 ft |
| Hurst WS-2 | 12-033-06554 | Plugged & abandoned | Oil | Crawford, IL | Constantin, E. Jr. | 1,316 ft |
| Woods W-1 | 12-033-06583 | Other status | Other type | Crawford, IL | Constantin, E., Jr. | 1,299 ft |
| Lamb UW-27 | 12-033-03680 | Plugged & abandoned | Injection | Crawford, IL | Constantin, E., Jr. | 1,283 ft |
Deepest first where depth is published. See all 286 wells →
Frequently asked questions
How many wells does Constantin E Jr operate?
Constantin E Jr is the operator of record for 286 catalogued oil & gas wells, with the largest concentration in Illinois (286). Only wells in states WellCensus has ingested are counted.
How many of Constantin E Jr's wells are still active?
86 of Constantin E Jr's catalogued wells are active; 193 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Constantin E Jr operate wells?
Constantin E Jr is the operator of record for wells in Illinois (286).
Does Constantin E Jr operate mostly oil or gas wells?
128 of Constantin E Jr's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Constantin E Jr's deepest well?
Among wells with a published depth, Bowen 1 in Crawford, IL is the deepest at 2,000 ft.
Where Constantin E Jr'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, “Constantin E Jr — well portfolio”, https://wellcensus.com/operators/constantin-e-jr-66327 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).