Le Mallory & Son
Operator of record for 3 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Le Mallory & Son is the operator of record for 3 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 0 (0%) are plugged & abandoned and 3 flagged as orphaned. Its largest concentration is in Pennsylvania, with 3 wells (100% of its portfolio).
Wells operated
3
Active
0
Plugged
0
Orphaned
3
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 3 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Le Mallory & Son to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Le Mallory & Son operate?
Le Mallory & Son's catalogued wells are spread across 1 state: Pennsylvania (3). Its 3 Pennsylvania wells are 0.0% 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 Le Mallory & Son’s wells are active, plugged or orphaned?
0% of Le Mallory & Son's catalogued wells are active, 29 percentage points below the national share of 29%. 0% are plugged & abandoned, against 47% nationally. 3 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Le Mallory & Son operate?
By product class, 2 (67%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Le Mallory & Son
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Stull 1 | 37-083-23106 | Orphaned | Oil | McKean, PA | Le Mallory & Son | — |
| Hemlock 59 | 37-083-23256 | Orphaned | Oil | McKean, PA | Le Mallory & Son | — |
| W J Knupp Warrant 4911 Knupp 1 | 37-083-90073 | Orphaned | Other type | McKean, PA | Le Mallory & Son | — |
Deepest first where depth is published. See all 3 wells →
Frequently asked questions
How many wells does Le Mallory & Son operate?
Le Mallory & Son is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in Pennsylvania (3). Only wells in states WellCensus has ingested are counted.
How many of Le Mallory & Son's wells are still active?
0 of Le Mallory & Son's catalogued wells are active; 0 are plugged & abandoned and 3 are flagged as orphaned.
In which states does Le Mallory & Son operate wells?
Le Mallory & Son is the operator of record for wells in Pennsylvania (3).
Does Le Mallory & Son operate mostly oil or gas wells?
2 of Le Mallory & Son's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Le Mallory & Son'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, “Le Mallory & Son — well portfolio”, https://wellcensus.com/operators/le-mallory-son-134862 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).