An apparatus for running a liner into a wellbore may include an inner string, a device coupled to the inner string that is operable to engage the interior of the liner and facilitates running of the liner into the wellbore, and a control mechanism operable to control fluid communication between the interior...http://www.google.com.au/patents/US7699113?utm_source=gb-gplus-sharePatent US7699113 - Apparatus and methods for running liners in extended reach wells
