An exploration well in an unproved area. Drained one or more miles from a proven well.
A well drilled in an unproven area. Also known as a 'exploration well'.
[n] - an exploratory oil well drilled in land not known to be an oil field
a well drilled in an area where no current oil or gas production exists. Also called a “rank wildcat.�
wildcat noun an exploratory oil well drilled in land not known to be an oil field