Patent ID: 7694732
Filing Date: 2010-04-13
Classification: E21B

Abstract:
1. A diverter tool for use in a pipe string used to lower a liner in a well, the diverter tool comprising: a diverter body defining a longitudinal flow passage, wherein the diverter body has flow ports therethrough to communicate the longitudinal flow passage with an annulus defined by the well and the diverter tool; a first sleeve disposed about the diverter body and movable relative thereto, wherein the first sleeve has a first position and a second position; and a second sleeve disposed in the diverter body, wherein the second sleeve has a first position and a second position; a setting tool receivable in the diverter body, wherein the setting tool can engage the second sleeve and move the second sleeve from its first to its second position, and wherein the setting tool comprises a generally cylindrical member receivable in the diverter body and a rupturable member for blocking flow through the generally cylindrical member; and wherein the longitudinal flow passage and the annulus are in communication through the flow ports when both of the first and second sleeves are in their first positions, and flow through the flow ports is blocked when either or both of the first and second sleeves are in their second positions.