ROTARY PULSER AND METHOD FOR TRANSMITTING INFORMATION TO THE SURFACE FROM A DRILL STRING DOWN HOLE IN A WELL

A rotary pulser for transmitting information to the surface from down hole in a well by generating pressure pulses encoded to contain information. The pulser includes a rotor having blades that are capable of imparting a varying obstruction to the flow of drilling fluid through stator passages, depe...

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Bibliographische Detailangaben
1. Verfasser: BURGESS, DANIEL E
Format: Patent
Sprache:eng ; fre
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