TOP- MOUNTED MUD-TELEMETRY PULSER ASSEMBLY FOR DOWNHOLE COMMUNICATIONS, AND DOWNHOLE VALVE

A mud pulser for generating pulses in a fluid flow in a wellbore. The mud pulser has a valve housing having an uphole opening for receiving fluid flow, and a piston valve situated in a piston chamber is longitudinally moveable between an open and closed position by closing and opening a pilot port d...

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Bibliographische Detailangaben

Hauptverfasser:	TWYNAM, Kyle, DOBOS, Jaroslav, BROWN, Carl
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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