Clark Aj
Operator of record for 7 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Clark Aj is the operator of record for 7 catalogued U.S. oil & gas wells in 1 state. 7 (100%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in Illinois, with 7 wells (100% of its portfolio).
Wells operated
7
Active
7
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 7 |
Well mix
- Oil wells
- 0
- Gas wells
- 7
- Shut-in
- 0
- Active share
- 100%
Is this your company?
Claim Clark Aj to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Clark Aj operate?
Clark Aj's catalogued wells are spread across 1 state: Illinois (7). Its 7 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 Clark Aj’s wells are active, plugged or orphaned?
100% of Clark Aj's catalogued wells are active, 71 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 Aj operate?
By product class, 0 (0%) are oil wells and 7 (100%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Bridwell, J.S. in Pike, IL at 298 ft.
Notable wells operated by Clark Aj
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bridwell, J.S. | 12-149-20478 | Active | Gas | Pike, IL | Clark A J | 298 ft |
| Quinlan, Philip | 12-149-00439 | Active | Gas | Pike, IL | Clark A J | 294 ft |
| Criss, Wm. | 12-149-00436 | Active | Gas | Pike, IL | Clark A J | 279 ft |
| Wilsey, J.G. | 12-149-00447 | Active | Gas | Pike, IL | Clark A J | 230 ft |
| Nash, Michael | 12-149-20476 | Active | Gas | Pike, IL | Clark A J | 157 ft |
| McSorley, Mary | 12-149-00299 | Active | Gas | Pike, IL | Clark A J | 77 ft |
| Quinlan, Mrs. H. | 12-149-00441 | Active | Gas | Pike, IL | Clark A J | 1 ft |
Deepest first where depth is published. See all 7 wells →
Frequently asked questions
How many wells does Clark Aj operate?
Clark Aj is the operator of record for 7 catalogued oil & gas wells, with the largest concentration in Illinois (7). Only wells in states WellCensus has ingested are counted.
How many of Clark Aj's wells are still active?
7 of Clark Aj's catalogued wells are active; 0 are plugged & abandoned.
In which states does Clark Aj operate wells?
Clark Aj is the operator of record for wells in Illinois (7).
Does Clark Aj operate mostly oil or gas wells?
0 of Clark Aj's catalogued wells are oil wells and 7 are gas wells; the rest are injection, service or unclassified wells.
What is Clark Aj's deepest well?
Among wells with a published depth, Bridwell, J.S. in Pike, IL is the deepest at 298 ft.
Where Clark Aj'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 Aj — well portfolio”, https://wellcensus.com/operators/clark-aj-108156 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).