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Sinclair Oil and Gas Co.: wells in South Dakota

Also operates in OK (101), LA (8), AR (12), TX (57), NM (1), ND (13), CO (114), WY (4), AK (4), CA (1), UT (11), MS (79), IL (243), IN (11), FL (5), AZ (2).

Where they operate

CountyActiveWells
Harding01
Fall River01

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusType
Sinclair 1 State 40-047-05155Plugged Dry hole
Sinclair 1 White 40-063-05123Plugged Dry hole

Operator names are shown as each state records them. Data as of 2026-10-01.