Stephenson Mark M
Operator of record for 9 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Stephenson Mark M is the operator of record for 9 catalogued U.S. oil & gas wells in 1 state. 1 (11%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in Pennsylvania, with 9 wells (100% of its portfolio).
Wells operated
9
Active
1
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 9 |
Well mix
- Oil wells
- 0
- Gas wells
- 9
- Shut-in
- 0
- Active share
- 11%
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Claim Stephenson Mark M to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Stephenson Mark M operate?
Stephenson Mark M's catalogued wells are spread across 1 state: Pennsylvania (9). Its 9 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 Stephenson Mark M’s wells are active, plugged or orphaned?
11% of Stephenson Mark M's catalogued wells are active, 18 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 Stephenson Mark M operate?
By product class, 0 (0%) are oil wells and 9 (100%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Stephenson Mark M
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Boarts 004 | 37-063-32708 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
| Boarts 004 | 37-063-33452 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
| Edwards Heirs 002a | 37-063-34017 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
| Ceneca 001 | 37-063-31228 | Active | Gas | Indiana, PA | Stephenson Mark M | — |
| Holland Land 001 | 37-063-31768 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
| Boulder 001 | 37-063-31988 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
| Conrad 001 | 37-063-35614 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
| Boarts 003 | 37-063-32707 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
| Boarts 005 | 37-063-32709 | Other status | Gas | Indiana, PA | Stephenson Mark M | — |
Deepest first where depth is published. See all 9 wells →
Frequently asked questions
How many wells does Stephenson Mark M operate?
Stephenson Mark M is the operator of record for 9 catalogued oil & gas wells, with the largest concentration in Pennsylvania (9). Only wells in states WellCensus has ingested are counted.
How many of Stephenson Mark M's wells are still active?
1 of Stephenson Mark M's catalogued wells are active; 0 are plugged & abandoned.
In which states does Stephenson Mark M operate wells?
Stephenson Mark M is the operator of record for wells in Pennsylvania (9).
Does Stephenson Mark M operate mostly oil or gas wells?
0 of Stephenson Mark M's catalogued wells are oil wells and 9 are gas wells; the rest are injection, service or unclassified wells.
Where Stephenson Mark M'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, “Stephenson Mark M — well portfolio”, https://wellcensus.com/operators/stephenson-mark-m-107973 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).