E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/00 (2006.01) E21B 10/32 (2006.01) E21B 10/46 (2006.01) E21B 10/56 (2006.01)
Patent
CA 2085567
The invention consists of the shape and design of plural pairs of cutter blades for use in rotary tubing tools which cutter blades have specialized shapes and cutting surfaces for performing certain specific downhole cutting operations adjacent a tubing string.
Ridout & Maybee Llp
Testers Inc.
LandOfFree
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