E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/04 (2006.01) E21B 33/00 (2006.01)
Patent
CA 2176314
A hanger head assembly for coiled tubing that consists of a body member having an axial passage that includes plural, hydraulically actuated slips for holding the tubing at a selected position, and further includes a concentration double packer assembly that is hydraulically actuated to seal off the tubing annulus.
Piper Oilfield Products Inc.
Ridout & Maybee Llp
LandOfFree
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