Casing patch seal

Details Casing patch seal Casing patch seal

F - Mech Eng,Light,Heat,Weapons

16

J

285/51, 166/68

F16J 15/02 (2006.01) E21B 29/10 (2006.01) E21B 33/10 (2006.01)

Patent

CA 1281050

ABSTRACT OF THE DISCLOSURE A casing patch for providing a connection between two casing sections which comprise a body means adapted to fit over an existing casing in a well bore and guide the patch into place, a slip means actuated by upward movement of the second casing section to tightly connect the two casing sections, and a seal means also actuated by upward movement of the second casing section for sealing the connection to pressure of fluids, under conditions of high pressure and temperature. The seal comprises a lead ring inside the casing patch surrounding the existing casing and a cylindrical seal arranged below the lead ring and having a central section of a deformable material and two end sections of wire mesh.

514445

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