Hammer Aj
Operator of record for 32 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Hammer Aj is the operator of record for 32 catalogued U.S. oil & gas wells in 1 state. 3 (9%) are active, 29 (91%) plugged & abandoned. Its largest concentration is in Illinois, with 32 wells (100% of its portfolio).
Wells operated
32
Active
3
Plugged
29
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 32 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 9%
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Claim your operator profileWhere does Hammer Aj operate?
Hammer Aj's catalogued wells are spread across 1 state: Illinois (32). Its 32 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 Hammer Aj’s wells are active, plugged or orphaned?
9% of Hammer Aj's catalogued wells are active, 19 percentage points below the national share of 29%. 91% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Hammer Aj operate?
By product class, 5 (16%) 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 Seel 1 in Hamilton, IL at 3,463 ft. The wells listed below sit in Hamilton (IL), Edwards (IL), White (IL), Jasper (IL), Effingham (IL) and Jefferson (IL).
Notable wells operated by Hammer Aj
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Seel 1 | 12-065-00165 | Plugged & abandoned | Other type | Hamilton, IL | Hammer, A. J. | 3,463 ft |
| Henderson 1 | 12-047-00945 | Plugged & abandoned | Other type | Edwards, IL | Hammer, A. J. | 3,209 ft |
| Shaw 1 | 12-047-01386 | Plugged & abandoned | Other type | Edwards, IL | Hammer, A. J. | 3,175 ft |
| Bryant 2 | 12-193-02542 | Plugged & abandoned | Other type | White, IL | Hammer, A. J. | 3,173 ft |
| Chalcraft M 1 | 12-047-01383 | Plugged & abandoned | Oil | Edwards, IL | Hammer, A. J. | 3,125 ft |
| King 1 | 12-079-00989 | Plugged & abandoned | Other type | Jasper, IL | Hammer, A. J. | 3,120 ft |
| Bryant 1 | 12-193-02514 | Plugged & abandoned | Other type | White, IL | Hammer, A. J. | 3,090 ft |
| Weasel 1 | 12-193-02538 | Plugged & abandoned | Other type | White, IL | Hammer, A. J. | 3,082 ft |
| Eisle 1 | 12-193-08094 | Active | Oil | White, IL | Hammer, A. J. | 3,080 ft |
| Leathers W M 1 | 12-193-02494 | Plugged & abandoned | Oil | White, IL | Hammer, A. J. | 3,072 ft |
| Kuhring 1 | 12-049-00458 | Plugged & abandoned | Other type | Effingham, IL | Hammer, A. J. | 3,029 ft |
| Jefferson Oil & Gas 1 | 12-081-01237 | Plugged & abandoned | Other type | Jefferson, IL | Hammer, A. J. | 2,791 ft |
Deepest first where depth is published. See all 32 wells →
Frequently asked questions
How many wells does Hammer Aj operate?
Hammer Aj is the operator of record for 32 catalogued oil & gas wells, with the largest concentration in Illinois (32). Only wells in states WellCensus has ingested are counted.
How many of Hammer Aj's wells are still active?
3 of Hammer Aj's catalogued wells are active; 29 are plugged & abandoned.
In which states does Hammer Aj operate wells?
Hammer Aj is the operator of record for wells in Illinois (32).
Does Hammer Aj operate mostly oil or gas wells?
5 of Hammer Aj's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Hammer Aj's deepest well?
Among wells with a published depth, Seel 1 in Hamilton, IL is the deepest at 3,463 ft.
Where Hammer 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, “Hammer Aj — well portfolio”, https://wellcensus.com/operators/hammer-aj-92040 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).