An exploratory well drilled in an unproven resource area.
an exploratory oil well drilled in land not known to be an oil field
A well drilled for the purose of discovering a new field or reservoir.
A well drilled in an area where no current oil or gas production exists. Also called a “rank wildcat”.
Exploratory well drilled in an area where no production exists
An exploration well drilled to identify new accumulations of oil or gas.
A well drilled in a previously unexplored area.
An exploration well in an unproved area.
A well drilled in an unproven area. Also known as a " exploration well".[Ety. The term comes from exploration wells in West Texas in the 1920s. Wildcats were abundant in the locality, and those unlucky enough to be shot were hung from oil derricks.