Earth drilling fixture has drive device and drill pipes, which has connected linkage shots and is formed as hollow for transport of drilling liquid

摘要

The earth drilling fixture has a drive device and drill pipes, which has connected linkage shots (6) and is formed as hollow for the transport of a drilling liquid. The drilling liquid is withdrawal from the drive device or drill pipes by a catch pan and expiration for the drilling liquid integrated into the catch pan. An independent claim is also included for a method for supplying earth drilling fixture with a drilling liquid.