Clark Hz
Operator of record for 7 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Clark Hz is the operator of record for 7 catalogued U.S. oil & gas wells in 1 state. 4 (57%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in Kentucky, with 7 wells (100% of its portfolio).
Wells operated
7
Active
4
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 7 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 57%
Is this your company?
Claim Clark Hz to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Clark Hz operate?
Clark Hz's catalogued wells are spread across 1 state: Kentucky (7). Its 7 Kentucky wells are 0.0% of the 201,022 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 Clark Hz’s wells are active, plugged or orphaned?
57% of Clark Hz's catalogued wells are active, 28 percentage points above 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 Clark Hz operate?
By product class, 4 (57%) 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 Stewart, B O 1 in Webster, KY at 1,313 ft. The wells listed below sit in Webster (KY) and Hart (KY).
Notable wells operated by Clark Hz
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Stewart, B O 1 | KGS record 2043775 | Other status | Other type | Webster, KY | Clark, H Z | 1,313 ft |
| Johns, Tom 1 | KGS record 101793 | Other status | Other type | Hart, KY | Clark, H Z | 1,215 ft |
| Powell, S F 3 | KGS record 2041907 | Active | Oil | Webster, KY | Clark, H Z | 539 ft |
| Powell, S F 1 | KGS record 2043770 | Active | Oil | Webster, KY | Clark, H Z | 419 ft |
| Dilley, Lucy 1 | KGS record 2017644 | Active | Oil | Hart, KY | Clark, H Z | — |
| Dilley, Lucy 2 | KGS record 2017638 | Active | Oil | Hart, KY | Clark, H Z | — |
| Legrande School 1 | KGS record 2017870 | Other status | Other type | Hart, KY | Clark, H Z | — |
Deepest first where depth is published. See all 7 wells →
Frequently asked questions
How many wells does Clark Hz operate?
Clark Hz is the operator of record for 7 catalogued oil & gas wells, with the largest concentration in Kentucky (7). Only wells in states WellCensus has ingested are counted.
How many of Clark Hz's wells are still active?
4 of Clark Hz's catalogued wells are active; 0 are plugged & abandoned.
In which states does Clark Hz operate wells?
Clark Hz is the operator of record for wells in Kentucky (7).
Does Clark Hz operate mostly oil or gas wells?
4 of Clark Hz's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Clark Hz's deepest well?
Among wells with a published depth, Stewart, B O 1 in Webster, KY is the deepest at 1,313 ft.
Where Clark Hz'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, “Clark Hz — well portfolio”, https://wellcensus.com/operators/clark-hz-111121 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).