E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/01 (2006.01) E21B 44/00 (2006.01) E21B 47/18 (2006.01)
Patent
CA 2481539
A downlink system that includes at least one mud pump for pumping drilling fluid from a drilling fluid storage tank to a drilling system, a standpipe in fluid communication with the mud pump and in fluid communication with the drilling system, and a return line in fluid communication with the drilling system for returning the drilling fluid to the drilling fluid storage tank is provided. A drilling fluid modulator may be in fluid communication with at least one of the group consisting of the standpipe and the return line.
Al-Shakarchi Franck
Follini Jean-Marc
Hutin Remi
Reed Christopher P.
Thomas John A.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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