Wellhead repair unit

Details Wellhead repair unit Wellhead repair unit

E - Fixed Constructions

21

B

166/63

E21B 33/12 (2006.01) E21B 23/00 (2006.01) E21B 23/06 (2006.01) E21B 33/03 (2006.01) E21B 33/128 (2006.01) E21B 34/02 (2006.01)

Patent

CA 2010326

ABSTRACT OF THE DISCLOSURE A geothermal wellhead repair unit including a mechanically set packer to isolate the wellhead for removal and repair thereof. The packer is run into the well string using a running tool. The packer is set by placing tension on the mandrel to set the packing elements and the slip assembly. Once the packer is set, the running tool can be disengaged without fear of collapsing the packer and the wellhead removed for repair ox replacement. Upon replacement of the wellhead, the running tool is used to unset and retrieve the packer.

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