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Madison County, MT oil and gas wells

Name: Madison County, MT oil and gas wells
Creator: Montana Board of Oil and Gas Conservation

12 wells: 0 active, 5 plugged, run by 10 operators.

Figures from the Montana Board of Oil and Gas Conservation, updated 2026-10-19.

Top operators in Madison

Operator	Active	Wells here
Helis, Estate Of William G., A Partnership	0	2
Madison Oil Co	0	2
Cooper, W.O.	0	1
EnCana Oil & Gas (USA) Inc.	0	1
North American Resources Company	0	1
O'Keefe Drilling Company	0	1
Poynter, Sam	0	1
Ruby Oil Company	0	1
Tenneco Oil Company	0	1
Texaco Oils Inc., A Delaware Corp.	0	1

Well	API / ID	Status	Type	Operator
BOOMHAUER 1-27	25-057-21007	Plugged	Service	Helis, Estate Of William G., A Partnership
JS GRANGER A 1	25-057-21008	Plugged	Dry hole	Texaco Oils Inc., A Delaware Corp.
Nyhart 1	25-057-07000	Plugged	Dry hole	Cooper, W.O.
State 3-8	25-057-21006	Plugged	Dry hole	North American Resources Company
State 7-23	25-057-21003	Plugged	Dry hole	EnCana Oil & Gas (USA) Inc.