APPARATUS, SYSTEM AND METHOD FOR CLEANING A BOREHOLE

摘要

An apparatus for cleaning a borehole, the apparatus comprising a first cylinder and a second cylinder locatable at least partially inside the first cylinder. The second cylinder has a first and a second end and a throughbore therebetween. The first end of the second cylinder comprises at least one nozzle which is in fluid communication with the throughbore. There is also herein described a system for producing a wellbore and a method of producing a borehole.