The present invention provides a liner hanger and a method of hanging a liner in a wellbore. In one aspect, a process for setting a liner in a wellbore is provided in which a tubular having a slip formed on an outer diameter of the tubular at a first location and a preformed bypass for circulating a...http://www.google.com.au/patents/US6920934?utm_source=gb-gplus-sharePatent US6920934 - Method and apparatus for expandable liner hanger with bypass