Boart Longyear
Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Boart Longyear Co. · Boart-Longyear
At a glance
Boart Longyear is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 0 (0%) are plugged & abandoned. Its largest concentration is in Illinois, with 11 wells (100% of its portfolio).
Wells operated
11
Active
0
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 11 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Boart Longyear operate?
Boart Longyear's catalogued wells are spread across 1 state: Illinois (11). Its 11 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 Boart Longyear’s wells are active, plugged or orphaned?
0% of Boart Longyear's catalogued wells are active, 29 percentage points below the national share of 29%. 0% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Boart Longyear operate?
By product class, 0 (0%) 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 Northern IL Water Co. 57-1 CHAM99-02 in Champaign, IL at 333 ft. The wells listed below sit in Champaign (IL), Marshall (IL), Mchenry (IL), Lake (IL) and Kankakee (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 Boart Longyear
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Northern IL Water Co. 57-1 CHAM99-02 | 12-019-26622 | Other status | Other type | Champaign, IL | Boart Longyear Co. | 333 ft |
| Northern Il Water Co. 57-2 CHAM99-01 | 12-019-26623 | Other status | Other type | Champaign, IL | Boart Longyear Co. | 310 ft |
| City of Henry 3 | 12-123-20748 | Other status | Other type | Marshall, IL | Boart-Longyear | 96 ft |
| Payne & Dolan B5 | 12-111-41989 | Other status | Other type | Mchenry, IL | Boart Longyear Co. | 90 ft |
| Payne & Dolan B1 | 12-097-49726 | Other status | Other type | Lake, IL | Boart Longyear Co. | 76 ft |
| Payne & Dolan B4 | 12-097-49729 | Other status | Other type | Lake, IL | Boart Longyear Co. | 73 ft |
| Payne & Dolan B3 | 12-097-49728 | Other status | Other type | Lake, IL | Boart Longyear Co. | 64 ft |
| Waste Management B-124 | 12-091-26057 | Other status | Other type | Kankakee, IL | Boart Longyear Co. | 56 ft |
| Waste Management B-158 | 12-091-26058 | Other status | Other type | Kankakee, IL | Boart Longyear Co. | 50 ft |
| Waste Management B-152 | 12-091-26059 | Other status | Other type | Kankakee, IL | Boart Longyear Co. | 45 ft |
| Payne & Dolan B2 | 12-097-49727 | Other status | Other type | Lake, IL | Boart Longyear Co. | 44 ft |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Boart Longyear operate?
Boart Longyear is the operator of record for 11 catalogued oil & gas wells, with the largest concentration in Illinois (11). Only wells in states WellCensus has ingested are counted.
How many of Boart Longyear's wells are still active?
0 of Boart Longyear's catalogued wells are active; 0 are plugged & abandoned.
In which states does Boart Longyear operate wells?
Boart Longyear is the operator of record for wells in Illinois (11).
Does Boart Longyear operate mostly oil or gas wells?
0 of Boart Longyear's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Boart Longyear's deepest well?
Among wells with a published depth, Northern IL Water Co. 57-1 CHAM99-02 in Champaign, IL is the deepest at 333 ft.
Where Boart Longyear'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, “Boart Longyear — well portfolio”, https://wellcensus.com/operators/boart-longyear-91939 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).