E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/12 (2006.01)
Patent
CA 2552072
Split and moveable packer cups for use above a conventional coiled tubing fracturing tool to be used for a secondary pressure containment device to avoid pressure communication with uphole formations.
Brocklebank Tom
Moore Daryl
Sherman Scott
Stikeman Elliott Llp
Trican Well Service Ltd.
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