Clark Oil
Operator of record for 15 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: Clark Oil Co. · Clark Oil, LLC
At a glance
Clark Oil is the operator of record for 15 catalogued U.S. oil & gas wells in 2 states. 10 (67%) are active, 4 (27%) plugged & abandoned. Its largest concentration is in Kansas, with 14 wells (93% of its portfolio).
Wells operated
15
Active
10
Plugged
4
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 14 |
| California | 1 |
Well mix
- Oil wells
- 12
- Gas wells
- 1
- Shut-in
- 1
- Active share
- 67%
Is this your company?
Claim Clark Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Clark Oil operate?
Clark Oil's catalogued wells are spread across 2 states: Kansas (14) and California (1). Its 14 Kansas wells are 0.0% of the 473,140 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 Oil’s wells are active, plugged or orphaned?
67% of Clark Oil's catalogued wells are active, 38 percentage points above the national share of 29%. 27% are plugged & abandoned, against 47% nationally. 1 wells (7%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Clark Oil operate?
By product class, 12 (80%) are oil wells and 1 (7%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Melvin Folks 'F' 1-4 in Miami, KS at 740 ft. 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 Clark Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Melvin Folks 'F' 1-4 | 15-121-23801 | Active | Oil | Miami, KS | Clark Oil, LLC | 740 ft |
| Melvin Folks 'F' 1-1 | 15-121-23800 | Active | Oil | Miami, KS | Clark Oil, LLC | 735 ft |
| Folks 'F' 2 | 15-121-23650 | Plugged & abandoned | Injection | Miami, KS | Clark Oil, LLC | 720 ft |
| Melvin Folks 'F' 3 | 15-121-23651 | Active | Oil | Miami, KS | Clark Oil, LLC | 711 ft |
| Folks 'F' 1 | 15-121-23610 | Plugged & abandoned | Injection | Miami, KS | Clark Oil, LLC | 708 ft |
| Folks 'Fi' 5 | 15-121-02143 | Active | Oil | Miami, KS | Clark Oil, LLC | 707 ft |
| Melvin Folks 'F' 1-8 | 15-121-23803 | Active | Oil | Miami, KS | Clark Oil, LLC | 705 ft |
| Melvin Folks 'Fi' 3 | 15-121-23691 | Active | Oil | Miami, KS | Clark Oil, LLC | 705 ft |
| Melvin Folks 2 | 15-121-23611 | Active | Oil | Miami, KS | Clark Oil, LLC | 705 ft |
| Folks 'Fi' 6 | 15-121-02144 | Plugged & abandoned | Oil | Miami, KS | Clark Oil, LLC | 701 ft |
| Melvin Folks 'F' 1-7 | 15-121-23802 | Active | Oil | Miami, KS | Clark Oil, LLC | 700 ft |
| Melvin Folks 'F' 7 | 15-121-23693 | Active | Oil | Miami, KS | Clark Oil, LLC | 698 ft |
Deepest first where depth is published. See all 15 wells →
Frequently asked questions
How many wells does Clark Oil operate?
Clark Oil is the operator of record for 15 catalogued oil & gas wells, with the largest concentration in Kansas (14). Only wells in states WellCensus has ingested are counted.
How many of Clark Oil's wells are still active?
10 of Clark Oil's catalogued wells are active; 4 are plugged & abandoned.
In which states does Clark Oil operate wells?
Clark Oil is the operator of record for wells in Kansas (14) and California (1).
Does Clark Oil operate mostly oil or gas wells?
12 of Clark Oil's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Clark Oil's deepest well?
Among wells with a published depth, Melvin Folks 'F' 1-4 in Miami, KS is the deepest at 740 ft.
Where Clark Oil'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 Oil — well portfolio”, https://wellcensus.com/operators/clark-oil-18440 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).