Method and apparatus for placing a cement thermal packer

Details Method and apparatus for placing a cement thermal packer Method and apparatus for placing a cement thermal packer

E - Fixed Constructions

21

B

166/63

E21B 33/12 (2006.01) E21B 33/13 (2006.01) E21B 33/16 (2006.01)

Patent

CA 1180271

ABSTRACT OF THE DISCLOSURE A method and apparatus for placing a cement thermal packer is disclosed. The cementing collar of the present invention is assembled into a stream or hot fluid injection string and positioned along the well in the location where the packer is to be placed. Cement material for the packer is pumped down the injection string preceded by a seperation plug and followed by a sealing plug. The separation plug seats in the cementing collar to cause the cement to be diverted to the annulus between the well casing and the injection string. The sealing plug seats in the collar while the placed cement sets to form the packer. The internals of the collar are sheared from the collar leaving a smooth injection string to the injection zone of the well.

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