AXIALLY SEPARATING DRILL BUCKET

摘要

The current application provides an Axially Separating Drill Bucket for drilling large holes in the earth by which a drilling operator can perform the drilling operation with the Axially Separating Drill Bucket and remove the excavated material in one operation. The unit can be raised to the surface where the bucket portion is separated from the drill head to empty the excavated material.

主权项

1. An axially separating drill bucket comprising:
a) a drive box section removably attached to a drill rig rotational drive mechanism; b) a drill stem including a removable drill head assembly; c) a side wall casing moveably attached to said drill stem; and d) an activatable separation actuation mechanism attached to said side wall casing; whereby when said activatable separation actuation mechanism is activated said side wall casing separates from said drill head assembly.