Illinois Mid Continent
Operator of record for 245 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: ILLINOIS MID-CONTINENT · ILLINOIS MID-CONTINENT CO · Illinois Mid-Continent Co.
At a glance
Illinois Mid Continent is the operator of record for 245 catalogued U.S. oil & gas wells in 2 states. 31 (13%) are active, 204 (83%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 234 wells (96% of its portfolio).
Wells operated
245
Active
31
Plugged
204
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 234 |
| Kentucky | 11 |
Well mix
- Oil wells
- 134
- Gas wells
- 0
- Shut-in
- 1
- Active share
- 13%
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Claim your operator profileWhere does Illinois Mid Continent operate?
Illinois Mid Continent's catalogued wells are spread across 2 states: Illinois (234) and Kentucky (11). Its 234 Illinois wells are 0.1% 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 Illinois Mid Continent’s wells are active, plugged or orphaned?
13% of Illinois Mid Continent's catalogued wells are active, 16 percentage points below the national share of 29%. 83% are plugged & abandoned, against 47% nationally. 1 wells (0.4%) are shut-in — unplugged but idle. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Illinois Mid Continent operate?
By product class, 134 (55%) 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 Sherwood Land Co. 1 in Wayne, IL at 4,291 ft. The wells listed below sit in Wayne (IL), Richland (IL) and Hamilton (IL). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Illinois Mid Continent
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Sherwood Land Co. 1 | 12-191-28951 | Plugged & abandoned | Oil | Wayne, IL | Illinois Mid-Continent Co. | 4,291 ft |
| Almo Farm 1 | 12-191-29171 | Plugged & abandoned | Oil | Wayne, IL | Illinois Mid-Continent Co. | 4,176 ft |
| Wilson, W 1 | 12-159-01359 | Plugged & abandoned | Other type | Richland, IL | Illinois Mid-Continent Co. | 3,587 ft |
| Curd R W 1 | 12-065-01559 | Plugged & abandoned | Other type | Hamilton, IL | Illinois Mid-Continent Co. | 3,574 ft |
| Harris Sarah J 2 | 12-191-00261 | Plugged & abandoned | Other type | Wayne, IL | Illinois Mid-Continent Co. | 3,519 ft |
| Borah Heirs 1 | 12-191-00844 | Plugged & abandoned | Other type | Wayne, IL | Illinois Mid-Continent Co. | 3,510 ft |
| Harris Sarah 1 | 12-191-07297 | Plugged & abandoned | Oil | Wayne, IL | Illinois Mid-Continent Co. | 3,486 ft |
| Siefert Howard 2 | 12-191-07155 | Other status | Oil | Wayne, IL | Illinois Mid-Continent Co. | 3,485 ft |
| Siefert, Howard 4 | 12-191-03466 | Plugged & abandoned | Oil | Wayne, IL | Illinois Mid-Continent Co. | 3,484 ft |
| Hoffee-Emmett 1 | 12-191-01907 | Plugged & abandoned | Other type | Wayne, IL | Illinois Mid-Continent Co. | 3,477 ft |
| Piercy Norman 1 | 12-191-07169 | Active | Oil | Wayne, IL | Illinois Mid-Continent Co. | 3,460 ft |
| Piercy J H "B" 3 | 12-191-03152 | Plugged & abandoned | Other type | Wayne, IL | Illinois Mid-Continent Co. | 3,458 ft |
Deepest first where depth is published. See all 245 wells →
Frequently asked questions
How many wells does Illinois Mid Continent operate?
Illinois Mid Continent is the operator of record for 245 catalogued oil & gas wells, with the largest concentration in Illinois (234). Only wells in states WellCensus has ingested are counted.
How many of Illinois Mid Continent's wells are still active?
31 of Illinois Mid Continent's catalogued wells are active; 204 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Illinois Mid Continent operate wells?
Illinois Mid Continent is the operator of record for wells in Illinois (234) and Kentucky (11).
Does Illinois Mid Continent operate mostly oil or gas wells?
134 of Illinois Mid Continent's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Illinois Mid Continent's deepest well?
Among wells with a published depth, Sherwood Land Co. 1 in Wayne, IL is the deepest at 4,291 ft.
Where Illinois Mid Continent'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, “Illinois Mid Continent — well portfolio”, https://wellcensus.com/operators/illinois-mid-continent-66477 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).