E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 44/00 (2006.01) E21B 47/18 (2006.01) F15D 1/02 (2006.01)
Patent
CA 2187061
A method and apparatus for remotely generating pressure signals in a fluid stream for telemetry purposes with minimal insertion loss and susceptibility to blocking flow of the fluid stream by providing a straight through acceleration path for the fluid stream followed by a straight through diffusion path, wherein pressure pulses representing data are generated by turbulence resulting from periodic disturbances made in the diffusion path.
Warren Tommy M.
Winters Warren J.
Amoco Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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