Keystone Sta Owners Group
Operator of record for 10 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Keystone Sta Owners Group is the operator of record for 10 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 9 (90%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Pennsylvania, with 10 wells (100% of its portfolio).
Wells operated
10
Active
0
Plugged
9
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 10 |
Well mix
- Oil wells
- 0
- Gas wells
- 9
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Keystone Sta Owners Group operate?
Keystone Sta Owners Group's catalogued wells are spread across 1 state: Pennsylvania (10). Its 10 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 Keystone Sta Owners Group’s wells are active, plugged or orphaned?
0% of Keystone Sta Owners Group's catalogued wells are active, 29 percentage points below the national share of 29%. 90% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Keystone Sta Owners Group operate?
By product class, 0 (0%) are oil wells and 9 (90%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Keystone Sta Owners Group
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Harry A Heilman Jr Sh85 | 37-005-20774 | Orphaned | Other type | Armstrong, PA | Keystone Sta Owners Group | — |
| Harry A Heilman Jr Tr (Laverne Flick 27 | 37-005-00252 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| Harry A Heilman Jr Tr (S P Snyder & 68 | 37-005-00253 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| Harry A Heilman Jr Tr (Harold Duppst 4 | 37-005-00249 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| Clair Sloan Etal 1 | 37-005-20541 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| Harry Marshall 1 | 37-005-20489 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| G W Smeltzer Heirs 1 | 37-005-20322 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| Paul E Walker 5 | 37-005-00250 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| Harry A Heilman Jr Sh83 | 37-005-20758 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
| R E Hildebrand 19 | 37-005-00251 | Plugged & abandoned | Gas | Armstrong, PA | Keystone Sta Owners Group | — |
Deepest first where depth is published. See all 10 wells →
Frequently asked questions
How many wells does Keystone Sta Owners Group operate?
Keystone Sta Owners Group is the operator of record for 10 catalogued oil & gas wells, with the largest concentration in Pennsylvania (10). Only wells in states WellCensus has ingested are counted.
How many of Keystone Sta Owners Group's wells are still active?
0 of Keystone Sta Owners Group's catalogued wells are active; 9 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Keystone Sta Owners Group operate wells?
Keystone Sta Owners Group is the operator of record for wells in Pennsylvania (10).
Does Keystone Sta Owners Group operate mostly oil or gas wells?
0 of Keystone Sta Owners Group's catalogued wells are oil wells and 9 are gas wells; the rest are injection, service or unclassified wells.
Where Keystone Sta Owners Group'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, “Keystone Sta Owners Group — well portfolio”, https://wellcensus.com/operators/keystone-sta-owners-group-71449 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).