Patent ID: 6454001
Filing Date: 2002-09-24
Classification: E21B

Abstract:
Apparatus for plugging an uncased portion of a well comprising:a pipe string lowered through a casing in said well, the pipe string having a length sufficient to extend to said uncased portion of said well below said casing, said pipe string defining a central flow passage therethrough; a support pipe connected to said pipe string, said support pipe defining a central flow passage and defining a plurality of openings therethrough intersecting said central flow passage of said support pipe; a fluid barrier for permanent placement in said well, said fluid barrier being disposed about said support pipe below said plurality of openings for catching a plugging fluid displaced through said central flow passages of said pipe string and said support pipe and communicated through said openings in said support pipe, said pipe string comprising a removable pipe string adapted to be removed from said well after a sufficient amount of plugging fluid has been communicated through said openings to completely plug said well and after said plugging fluid has sufficiently hardened to support itself in said well.