Well blowout preventer, and packing element

Details Well blowout preventer, and packing element Well blowout preventer, and packing element

E - Fixed Constructions

21

B

166/50, 166/63

E21B 33/06 (2006.01)

Patent

CA 1178196

WELL BLOWOUT PREVENTER, AND PACKING ELEMENT _____________________________ ABSTRACT OF THE DISCLOSURE A well blowout preventer packer unit is characterized by long life, and induced back to front (radial) rubber feeding between metallic inserts to close on well pipe for producing a pressure gradient against the pipe which is greatest at the bottom of the packer extent engaging the pipe, and lowest at the top of the packer extent engaging the pipe.

405929

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