Mount Chestnut Dev
Operator of record for 21 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mount Chestnut Dev is the operator of record for 21 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 0 (0%) are plugged & abandoned. Its largest concentration is in Pennsylvania, with 21 wells (100% of its portfolio).
Wells operated
21
Active
0
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 21 |
Well mix
- Oil wells
- 0
- Gas wells
- 21
- Shut-in
- 0
- Active share
- 0%
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Claim Mount Chestnut Dev to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mount Chestnut Dev operate?
Mount Chestnut Dev's catalogued wells are spread across 1 state: Pennsylvania (21). Its 21 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 Mount Chestnut Dev’s wells are active, plugged or orphaned?
0% of Mount Chestnut Dev's catalogued wells are active, 29 percentage points below 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 Mount Chestnut Dev operate?
By product class, 0 (0%) are oil wells and 21 (100%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Armstrong (PA), Indiana (PA) and Clearfield (PA).
Notable wells operated by Mount Chestnut Dev
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Musko 4 | 37-005-29152 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| Meyer 1 | 37-063-36689 | Other status | Gas | Indiana, PA | Mount Chestnut Dev LLC | — |
| Numine Sportsman 1 | 37-005-30076 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| Sam Serian 3 | 37-033-26554 | Other status | Gas | Clearfield, PA | Mount Chestnut Dev LLC | — |
| West 1 | 37-005-30467 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| Hockenberry 1 | 37-005-30468 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| Edwin Long 3 | 37-005-30469 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| Edwin Long Et Ux 3 | 37-005-29508 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| Hockenberry 1 | 37-005-29626 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| West 1 | 37-005-29645 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
| Sam Serian 2 | 37-033-26859 | Other status | Gas | Clearfield, PA | Mount Chestnut Dev LLC | — |
| E Eugene Cogley 1 | 37-005-28842 | Other status | Gas | Armstrong, PA | Mount Chestnut Dev LLC | — |
Deepest first where depth is published. See all 21 wells →
Frequently asked questions
How many wells does Mount Chestnut Dev operate?
Mount Chestnut Dev is the operator of record for 21 catalogued oil & gas wells, with the largest concentration in Pennsylvania (21). Only wells in states WellCensus has ingested are counted.
How many of Mount Chestnut Dev's wells are still active?
0 of Mount Chestnut Dev's catalogued wells are active; 0 are plugged & abandoned.
In which states does Mount Chestnut Dev operate wells?
Mount Chestnut Dev is the operator of record for wells in Pennsylvania (21).
Does Mount Chestnut Dev operate mostly oil or gas wells?
0 of Mount Chestnut Dev's catalogued wells are oil wells and 21 are gas wells; the rest are injection, service or unclassified wells.
Where Mount Chestnut Dev'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, “Mount Chestnut Dev — well portfolio”, https://wellcensus.com/operators/mount-chestnut-dev-104777 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).