Mcclement & Killion
Operator of record for 9 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mcclement & Killion is the operator of record for 9 catalogued U.S. oil & gas wells in 1 state. 1 (11%) are active, 5 (56%) plugged & abandoned. Its largest concentration is in Illinois, with 9 wells (100% of its portfolio).
Wells operated
9
Active
1
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 9 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 11%
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Claim your operator profileWhere does Mcclement & Killion operate?
Mcclement & Killion's catalogued wells are spread across 1 state: Illinois (9). Its 9 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 Mcclement & Killion’s wells are active, plugged or orphaned?
11% of Mcclement & Killion's catalogued wells are active, 18 percentage points below the national share of 29%. 56% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mcclement & Killion operate?
By product class, 3 (33%) 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 Merriman W-1 in Franklin, IL at 2,952 ft.
Notable wells operated by Mcclement & Killion
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Merriman W-1 | 12-055-02028 | Plugged & abandoned | Injection | Franklin, IL | McClement & Killion | 2,952 ft |
| McClement-Boner 6-A | 12-055-01655 | Plugged & abandoned | Other type | Franklin, IL | McClement & Killion | 2,945 ft |
| Boner-Merriman Unit W-1 | 12-055-01239 | Plugged & abandoned | Injection | Franklin, IL | McClement & Killion | 2,899 ft |
| S. West Frankfort H-4 | 12-055-01954 | Other status | Injection | Franklin, IL | McClement & Killion | 2,856 ft |
| Boner-Merriman Unit S-3 | 12-055-01257 | Plugged & abandoned | Other type | Franklin, IL | McClement & Killion | 2,842 ft |
| Tew-Horn 5-B | 12-055-01660 | Active | Oil | Franklin, IL | McClement & Killion | 2,112 ft |
| Aiken Com 1 | 12-055-01648 | Other status | Oil | Franklin, IL | McClement & Killion | 2,103 ft |
| Hill 1 | 12-055-01918 | Plugged & abandoned | Other type | Franklin, IL | McClement & Killion | 2,096 ft |
| Reed-Horn 1 | 12-055-01644 | Other status | Oil | Franklin, IL | McClement & Killion | 2,048 ft |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Mcclement & Killion operate?
Mcclement & Killion is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in Illinois (9). Only wells in states WellCensus has ingested are counted.
How many of Mcclement & Killion's wells are still active?
1 of Mcclement & Killion's catalogued wells are active; 5 are plugged & abandoned.
In which states does Mcclement & Killion operate wells?
Mcclement & Killion is the operator of record for wells in Illinois (9).
Does Mcclement & Killion operate mostly oil or gas wells?
3 of Mcclement & Killion's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mcclement & Killion's deepest well?
Among wells with a published depth, Merriman W-1 in Franklin, IL is the deepest at 2,952 ft.
Where Mcclement & Killion'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, “Mcclement & Killion — well portfolio”, https://wellcensus.com/operators/mcclement-killion-66606 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).