Frederick Drilling Co & Sons
Operator of record for 140 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Frederick Drilling Co & Sons is the operator of record for 140 catalogued U.S. oil & gas wells in 1 state. 42 (30%) are active, 31 (22%) plugged & abandoned. Its largest concentration is in Pennsylvania, with 140 wells (100% of its portfolio).
Wells operated
140
Active
42
Plugged
31
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 140 |
Well mix
- Oil wells
- 81
- Gas wells
- 56
- Shut-in
- 0
- Active share
- 30%
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Claim your operator profileWhere does Frederick Drilling Co & Sons operate?
Frederick Drilling Co & Sons's catalogued wells are spread across 1 state: Pennsylvania (140). Its 140 Pennsylvania wells are 0.1% of the 224,189 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 Frederick Drilling Co & Sons’s wells are active, plugged or orphaned?
30% of Frederick Drilling Co & Sons's catalogued wells are active, close to the national share of 29%. 22% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Frederick Drilling Co & Sons operate?
By product class, 81 (58%) are oil wells and 56 (40%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Clarion (PA), Jefferson (PA) and Venango (PA).
Notable wells operated by Frederick Drilling Co & Sons
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Ferguson 5 | 37-031-24455 | Active | Gas | Clarion, PA | Frederick Drilling Co & Sons Inc | — |
| Knepshield K2 | 37-065-25083 | Active | Gas | Jefferson, PA | Frederick Drilling Co & Sons Inc | — |
| Knepshield 2 | 37-065-25816 | Other status | Gas | Jefferson, PA | Frederick Drilling Co & Sons Inc | — |
| Blake J Park & Amelia I Park Ap1 | 37-065-21987 | Active | Gas | Jefferson, PA | Frederick Drilling Co & Sons Inc | — |
| Milliron Old 1 | 37-065-01592 | Active | Gas | Jefferson, PA | Frederick Drilling Co & Sons Inc | — |
| Fyock 2 | 37-065-23794 | Other status | Gas | Jefferson, PA | Frederick Drilling Co & Sons Inc | — |
| Ferguson 75 2 | 37-031-25102 | Other status | Gas | Clarion, PA | Frederick Drilling Co & Sons Inc | — |
| Ferguson 106 2 | 37-031-25105 | Other status | Gas | Clarion, PA | Frederick Drilling Co & Sons Inc | — |
| Knepshield K1 | 37-065-21874 | Active | Gas | Jefferson, PA | Frederick Drilling Co & Sons Inc | — |
| Frederick Fly Kelly K99 | 37-121-42032 | Other status | Oil | Venango, PA | Frederick Drilling Co & Sons Inc | — |
| Gross 3 | 37-031-24802 | Active | Gas | Clarion, PA | Frederick Drilling Co & Sons Inc | — |
| Nosker 1 | 37-065-23815 | Active | Gas | Jefferson, PA | Frederick Drilling Co & Sons Inc | — |
Deepest first where depth is published. See all 140 wells →
Frequently asked questions
How many wells does Frederick Drilling Co & Sons operate?
Frederick Drilling Co & Sons is the operator of record for 140 catalogued oil & gas wells, with the largest concentration in Pennsylvania (140). Only wells in states WellCensus has ingested are counted.
How many of Frederick Drilling Co & Sons's wells are still active?
42 of Frederick Drilling Co & Sons's catalogued wells are active; 31 are plugged & abandoned.
In which states does Frederick Drilling Co & Sons operate wells?
Frederick Drilling Co & Sons is the operator of record for wells in Pennsylvania (140).
Does Frederick Drilling Co & Sons operate mostly oil or gas wells?
81 of Frederick Drilling Co & Sons's catalogued wells are oil wells and 56 are gas wells; the rest are injection, service or unclassified wells.
Where Frederick Drilling Co & Sons'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, “Frederick Drilling Co & Sons — well portfolio”, https://wellcensus.com/operators/frederick-drilling-co-sons-71913 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).