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Seneca County, NY oil and gas wells

450 wells: 216 active, 42 plugged, run by 50 operators.

Figures from the New York State Department of Environmental Conservation, Division of Mineral Resources, updated 2026-10-16.

Top operators in Seneca

OperatorActiveWells here
Greenway Energy LLC196199
A.D.C.O. Well Services Inc.78
Rasmussen's Energy Inc.58
Reserve Energy Exploration Company22
Seneca Stone Corporation12
Covert Christopher P.11
DJs Farms Inc.11
Martin Landis11
Mumford Catherine11
Seitz Farms Inc.11
Chesapeake Appalachia LLC072
Meridian Exploration Corp.030
Union Drilling Inc.022
Great Lakes Energy Partners012
Inland Drilling Company Inc.012
NYS Natural Gas Corp.011
Phoenix Gas Co.07
Dearth G. et al05
Equitable Resources Exploraration05
Syracuse Alliance Co.04
Mitchell Exploration Corp.03
Button E.B. et al02
Duchscherer William J.02
Geneva Gas02
Minard Run Oil Company02

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Swartley 2 (626331) 31-099-26042Active GasGreenway Energy LLC
Swartley 2545 31-099-19575Active GasGreenway Energy LLC
Swartley 2571 31-099-20432Active GasGreenway Energy LLC
Swartley 3 (4095) 31-099-19542Active GasGreenway Energy LLC
Tompkins 1 (4075) 31-099-19467Active GasGreenway Energy LLC
Utzman 1 (4076) 31-099-19465Active GasGreenway Energy LLC
Vannostrand 4035 31-099-13676Active GasGreenway Energy LLC
Waelz 1224 31-099-21372Active GasGreenway Energy LLC
Wagner 1203 31-099-21348Active GasGreenway Energy LLC
Wagner 1292 31-099-21407Active GasA.D.C.O. Well Services Inc.
Warren Brothers Company 1 31-099-10960Active GasSeneca Stone Corporation
Wessig 1 31-099-23074Active GasGreenway Energy LLC
Wessig-Freier 2 31-099-23129Active GasGreenway Energy LLC
Wessig-Freier 3 31-099-23141Active GasGreenway Energy LLC
Wise 1 31-099-23875Active GasGreenway Energy LLC
Wise-Bender 1 31-099-23063Active GasGreenway Energy LLC
Wise-Bender 2 31-099-23065Active GasGreenway Energy LLC
Zimmerman 1 (625034) 31-099-23942Active GasGreenway Energy LLC
Zimmerman 1 (626277) 31-099-23963Active GasGreenway Energy LLC
Zimmerman 2510 31-099-17571Active GasGreenway Energy LLC
Zimmerman 624596 31-099-22945Active GasGreenway Energy LLC

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