Marwell
Operator of record for 129 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Marwell is the operator of record for 129 catalogued U.S. oil & gas wells in 1 state. 38 (29%) are active, 17 (13%) plugged & abandoned and 50 flagged as orphaned. Its largest concentration is in Pennsylvania, with 129 wells (100% of its portfolio).
Wells operated
129
Active
38
Plugged
17
Orphaned
50
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 129 |
Well mix
- Oil wells
- 128
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 29%
Is this your company?
Claim Marwell to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Marwell operate?
Marwell's catalogued wells are spread across 1 state: Pennsylvania (129). Its 129 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 Marwell’s wells are active, plugged or orphaned?
29% of Marwell's catalogued wells are active, close to the national share of 29%. 13% are plugged & abandoned, against 47% nationally. 50 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Marwell operate?
By product class, 128 (99%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Marwell
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Rybak 7q | 37-121-30715 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Rybak 1q | 37-121-24172 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Rybak 2q | 37-121-25703 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Rybak 3q | 37-121-25704 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Rybak 4q | 37-121-25705 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Kinley Oil & Gas Corp K14 | 37-121-28336 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Kinley Oil & Gas Corp K15 | 37-121-28337 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Kinley Oil & Gas Corp K17 | 37-121-28339 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Kinley Oil & Gas Corp K21 | 37-121-28346 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Kinley Oil & Gas Corp K30 | 37-121-28508 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Kinley Oil & Gas Corp K31 | 37-121-28509 | Other status | Oil | Venango, PA | Marwell Inc | — |
| Gardner A8 | 37-121-29972 | Active | Oil | Venango, PA | Marwell Inc | — |
Deepest first where depth is published. See all 129 wells →
Frequently asked questions
How many wells does Marwell operate?
Marwell is the operator of record for 129 catalogued oil & gas wells, with the largest concentration in Pennsylvania (129). Only wells in states WellCensus has ingested are counted.
How many of Marwell's wells are still active?
38 of Marwell's catalogued wells are active; 17 are plugged & abandoned and 50 are flagged as orphaned.
In which states does Marwell operate wells?
Marwell is the operator of record for wells in Pennsylvania (129).
Does Marwell operate mostly oil or gas wells?
128 of Marwell's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Marwell'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, “Marwell — well portfolio”, https://wellcensus.com/operators/marwell-72213 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).