Mark T Kellner Oil
Operator of record for 19 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mark T Kellner Oil is the operator of record for 19 catalogued U.S. oil & gas wells in 1 state. 19 (100%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in New York, with 19 wells (100% of its portfolio).
Wells operated
19
Active
19
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| New York | 19 |
Well mix
- Oil wells
- 19
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 100%
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Claim your operator profileWhere does Mark T Kellner Oil operate?
Mark T Kellner Oil's catalogued wells are spread across 1 state: New York (19). Its 19 New York wells are 0.0% of the 46,514 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 Mark T Kellner Oil’s wells are active, plugged or orphaned?
100% of Mark T Kellner Oil's catalogued wells are active, 71 percentage points above 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 Mark T Kellner Oil operate?
By product class, 19 (100%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Coast 101 in Cattaraugus, NY at 2,025 ft.
Notable wells operated by Mark T Kellner Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Coast 101 | 31-009-22572 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 2,025 ft |
| Coast 30 | 31-009-09234 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,892 ft |
| Shattuck 4 | 31-009-09585 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,725 ft |
| Shattuck 5 | 31-009-09586 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,570 ft |
| Coast 31 | 31-009-09472 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,509 ft |
| Kellner t1 | 31-009-66603 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,400 ft |
| Kellner 23 | 31-009-66613 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,400 ft |
| Kellner 20 | 31-009-66609 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,400 ft |
| Kellner t2 | 31-009-66604 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,400 ft |
| Kellner t3 | 31-009-66605 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,400 ft |
| Kellner 323 | 31-009-66615 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,400 ft |
| Kellner t4 | 31-009-66606 | Active | Oil | Cattaraugus, NY | Mark T. Kellner Oil Co. | 1,400 ft |
Deepest first where depth is published. See all 19 wells →
Frequently asked questions
How many wells does Mark T Kellner Oil operate?
Mark T Kellner Oil is the operator of record for 19 catalogued oil & gas wells, with the largest concentration in New York (19). Only wells in states WellCensus has ingested are counted.
How many of Mark T Kellner Oil's wells are still active?
19 of Mark T Kellner Oil's catalogued wells are active; 0 are plugged & abandoned.
In which states does Mark T Kellner Oil operate wells?
Mark T Kellner Oil is the operator of record for wells in New York (19).
Does Mark T Kellner Oil operate mostly oil or gas wells?
19 of Mark T Kellner Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mark T Kellner Oil's deepest well?
Among wells with a published depth, Coast 101 in Cattaraugus, NY is the deepest at 2,025 ft.
Where Mark T Kellner Oil'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, “Mark T Kellner Oil — well portfolio”, https://wellcensus.com/operators/mark-t-kellner-oil-128561 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).