دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: (slang) to cave in;to fail. After a violent blowout, the force of the fluids escaping from the wellbore sometimes blows a large hole in the ground. In this case, the well is said to have cratered. Equipment craters when it fails.

n: The formation of a large funnel-shaped cavity at the top of a hole resulting from either a blowout or from caving.