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WellCensus

Key Drilling

Operator of record for 14 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Key Drilling is the operator of record for 14 catalogued U.S. oil & gas wells in 1 state. 9 (64%) are active, 3 (21%) plugged & abandoned. Its largest concentration is in Illinois, with 14 wells (100% of its portfolio).

Wells operated

14

Active

9

Plugged

3

Orphaned

0

Portfolio by state

StateWells
Illinois14

Well mix

Oil wells
9
Gas wells
0
Shut-in
0
Active share
64%

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Where does Key Drilling operate?

Key Drilling's catalogued wells are spread across 1 state: Illinois (14). Its 14 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 Key Drilling’s wells are active, plugged or orphaned?

64% of Key Drilling's catalogued wells are active, 35 percentage points above the national share of 29%. 21% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Key Drilling operate?

By product class, 9 (64%) 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 Oberhofer-Berneuter 1 in Washington, IL at 4,302 ft.

Notable wells operated by Key Drilling

Wells operated by Key Drilling
WellAPI # / state IDStatusTypeLocationOperatorDepth
Oberhofer-Berneuter 112-189-23832ActiveOilWashington, ILKey Drilling Co., Inc.4,302 ft
Lupa 312-189-23863ActiveOilWashington, ILKey Drilling Co., Inc.4,302 ft
Pierjak Stanley 112-189-23935Plugged & abandonedOther typeWashington, ILKey Drilling Co., Inc.4,268 ft
Waier Comm 112-189-23858Plugged & abandonedOther typeWashington, ILKey Drilling Co., Inc.4,260 ft
Coulter-Schultz Comm. 112-189-23826ActiveOilWashington, ILKey Drilling Co., Inc.4,250 ft
Lupa 212-189-23862ActiveOilWashington, ILKey Drilling Co., Inc.4,234 ft
Tucker Comm 112-189-23855ActiveOilWashington, ILKey Drilling Co., Inc.4,230 ft
Lupa 412-189-23864ActiveOilWashington, ILKey Drilling Co., Inc.4,226 ft
Warner Et Al 112-189-24067ActiveOilWashington, ILKey Drilling Co., Inc.4,206 ft
Bernreuter 212-189-23861Other statusOther typeWashington, ILKey Drilling Co., Inc.4,202 ft
Bernreuter 312-189-24051Other statusOther typeWashington, ILKey Drilling Co., Inc.4,200 ft
Tucker 1-A12-189-24060ActiveOilWashington, ILKey Drilling Co., Inc.4,198 ft

Deepest first where depth is published. See all 14 wells →

Frequently asked questions

How many wells does Key Drilling operate?

Key Drilling is the operator of record for 14 catalogued oil & gas wells, with the largest concentration in Illinois (14). Only wells in states WellCensus has ingested are counted.

How many of Key Drilling's wells are still active?

9 of Key Drilling's catalogued wells are active; 3 are plugged & abandoned.

In which states does Key Drilling operate wells?

Key Drilling is the operator of record for wells in Illinois (14).

Does Key Drilling operate mostly oil or gas wells?

9 of Key Drilling's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is Key Drilling's deepest well?

Among wells with a published depth, Oberhofer-Berneuter 1 in Washington, IL is the deepest at 4,302 ft.

Where Key Drilling'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, “Key Drilling — well portfolio”, https://wellcensus.com/operators/key-drilling-102855 (data as of October 10, 2026).

Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).