Oil & gas wells in Seneca County, NY
449 catalogued wells in Seneca County, New York, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Seneca County, New York has 449 catalogued oil & gas wells: 218 active (49%), 40 plugged & abandoned (9%) and 41 documented orphans. It ranks 11th of the 29 New York counties WellCensus profiles by well count and holds 1.0% of the state's 46,514 catalogued wells.
Catalogued wells
449
Active
218
Plugged
40
Documented orphans
41
What is the status of oil and gas wells in Seneca County?
49% of Seneca County's wells are active, 24 percentage points above the New York share of 25%. 9% are plugged & abandoned, against 44% statewide and 47% nationally. 1 wells (0.2%) are shut-in — unplugged but idle. 41 wells (9%) are documented orphans with no operator able to plug them, compared with 16% across New York and 4% nationally. The remaining 149 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Seneca County?
By product class, 0 of the county's wells (0%) are oil wells, 264 (59%) gas wells and 0 (0%) injection wells. Statewide the oil share is 39% and the gas share 23%. The deepest total depth published for a Seneca County well is 7,673 ft, against 15,921 ft for New York as a whole. 99% of the county's wells carry coordinates and appear on the map.
How does Seneca County compare with other New York counties?
Seneca County has the 11th-most catalogued wells of the 29 New York counties with at least 25. The median New York county on WellCensus has 212 wells. The largest, Allegany County, has 16,110. By documented orphans it ranks 13th in New York.
Who operates wells in Seneca County?
50 distinct operators of record are linked to wells in Seneca County. 99% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.
Wells in Seneca County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Chapman 1 | 31-099-00543 | Orphaned | Other type | Belmont Quadrangle Drilling |
| Bump 1 | 31-099-00895 | Orphaned | Gas | — |
| Ridley 1 | 31-099-00915 | Orphaned | Gas | Dearth G. et al |
| Dunham 1 | 31-099-00916 | Orphaned | Other type | Dearth G. et al |
| Dadson 1 | 31-099-00917 | Plugged & abandoned | Gas | Button E.B. et al |
| Dadson 1 | 31-099-00918 | Orphaned | Gas | Dearth G. et al |
| Deboer 1 | 31-099-00919 | Orphaned | Other type | Button E.B. et al |
| Bump 2 | 31-099-00920 | Orphaned | Other type | Syracuse Alliance Co. |
| Boa | 31-099-00921 | Plugged & abandoned | Other type | Red Jacket Oil & Gas |
| Evans | 31-099-00922 | Orphaned | Other type | Ryan O'Neil |
| Parish | 31-099-00924 | Orphaned | Gas | NYS Natural Gas Corp. |
| Mills 2 | 31-099-00926 | Orphaned | Other type | NYS Natural Gas Corp. |
| Dowden | 31-099-00928 | Other status | Other type | — |
| Crandall | 31-099-00929 | Other status | Gas | — |
| Fee 1 | 31-099-00960 | Orphaned | Gas | Souhan J.F. |
| Wescott Bros 2 | 31-099-00961 | Orphaned | Gas | Phoenix Gas Co. |
| Wescott Bros 3 | 31-099-00962 | Orphaned | Gas | Phoenix Gas Co. |
| Well 12 | 31-099-00967 | Orphaned | Other type | Hosley W.A. |
| Well API 31-099-01053 | 31-099-01053 | Other status | Gas | — |
| Button A | 31-099-02247 | Plugged & abandoned | Gas | Jack O.L. et al |
| McGuane 1 | 31-099-02248 | Plugged & abandoned | Gas | Dearth G. et al |
| Pryor | 31-099-02249 | Other status | Other type | — |
| Serven 1 | 31-099-02250 | Orphaned | Other type | Geneva Gas |
| Tarbush Estate 1 | 31-099-02251 | Orphaned | Gas | Dearth G. et al |
| Weckerline 1 | 31-099-02252 | Orphaned | Gas | Adams E.H. et al |
A sample of the county’s wells — every catalogued well has its own page. Browse all 449 in search → (filter by operator, status and type, then export), or find a specific well on the live map.
Frequently asked questions
How many oil and gas wells are in Seneca County, NY?
Seneca County, New York has 449 catalogued oil & gas wells: 218 active, 40 plugged and 41 documented orphans.
How many orphaned wells are in Seneca County?
41 wells in Seneca County, New York are documented orphans — unplugged with no solvent operator of record, the 13th-highest count among New York counties.
What share of wells in Seneca County are plugged?
40 of Seneca County's 449 catalogued wells (9%) are plugged & abandoned, compared with 44% across New York.
Which New York county has the most oil and gas wells?
Allegany County has the most catalogued wells of any New York county on WellCensus (16,110); Seneca County ranks 11th with 449.
How many companies operate wells in Seneca County?
50 distinct operators of record are linked to catalogued wells in Seneca County, New York.
Nearby in the New York rankings
About this data
Source: New York DEC Division of Mineral Resources well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Oil & gas wells in Seneca County, New York”, https://wellcensus.com/wells/new-york/seneca (data as of October 10, 2026).