Automatic downlink system

Details Automatic downlink system Automatic downlink system

2008-01-22

2008-01-22

Tsay, Frank S. (Department: 3672)

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Measuring or indicating drilling fluid rate of flow

C367S083000, C175S040000

Reexamination Certificate

active

07320370

ABSTRACT:
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.

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