Calvert Eastern Drlg
Operator of record for 9 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Calvert Eastern Drlg is the operator of record for 9 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 9 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 9 wells (100% of its portfolio).
Wells operated
9
Active
0
Plugged
9
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 9 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Calvert Eastern Drlg operate?
Calvert Eastern Drlg's catalogued wells are spread across 1 state: Illinois (9). Its 9 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 Calvert Eastern Drlg’s wells are active, plugged or orphaned?
0% of Calvert Eastern Drlg's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Calvert Eastern Drlg operate?
By product class, 1 (11%) 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 Pierson 1 in Clay, IL at 2,912 ft. The wells listed below sit in Clay (IL), St. Clair (IL) and Madison (IL).
Notable wells operated by Calvert Eastern Drlg
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Pierson 1 | 12-025-04635 | Plugged & abandoned | Other type | Clay, IL | Calvert Eastern Drlg. | 2,912 ft |
| McKnelly, Ansel I. 1 | 12-025-04427 | Plugged & abandoned | Other type | Clay, IL | Calvert Eastern Drlg. | 2,888 ft |
| Frye, Glen W. Comm. 1 | 12-025-04690 | Plugged & abandoned | Other type | Clay, IL | Calvert Eastern Drlg. | 2,865 ft |
| Woods, Ernest 1 | 12-025-04658 | Plugged & abandoned | Other type | Clay, IL | Calvert Eastern Drlg. | 2,865 ft |
| Woods 2 | 12-025-04689 | Plugged & abandoned | Oil | Clay, IL | Calvert Eastern Drlg. | 2,862 ft |
| Woods, Earnest 3 | 12-025-04739 | Plugged & abandoned | Other type | Clay, IL | Calvert Eastern Drlg. | 2,853 ft |
| Stumpf Lester 1 | 12-163-02560 | Plugged & abandoned | Other type | St. Clair, IL | Calvert Eastern Drlg. | 1,046 ft |
| Hammer, Charles 1 | 12-119-02164 | Plugged & abandoned | Other type | Madison, IL | Calvert Eastern Drlg. | 1,010 ft |
| Stella Cook Community 1 | 12-163-02561 | Plugged & abandoned | Other type | St. Clair, IL | Calvert Eastern Drlg. | 830 ft |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Calvert Eastern Drlg operate?
Calvert Eastern Drlg is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in Illinois (9). Only wells in states WellCensus has ingested are counted.
How many of Calvert Eastern Drlg's wells are still active?
0 of Calvert Eastern Drlg's catalogued wells are active; 9 are plugged & abandoned.
In which states does Calvert Eastern Drlg operate wells?
Calvert Eastern Drlg is the operator of record for wells in Illinois (9).
Does Calvert Eastern Drlg operate mostly oil or gas wells?
1 of Calvert Eastern Drlg's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Calvert Eastern Drlg's deepest well?
Among wells with a published depth, Pierson 1 in Clay, IL is the deepest at 2,912 ft.
Where Calvert Eastern Drlg'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, “Calvert Eastern Drlg — well portfolio”, https://wellcensus.com/operators/calvert-eastern-drlg-93920 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).