Micro-controller-based switch assembly for wellbore systems and method

A switch assembly, which is part of a chain of switch assemblies. The switch assembly includes a micro-controller PB that has no address, a thru-line switch, and a detonator switch. The micro-controller PB is configured to directly communicate with an upstream or downstream switch assembly through a...

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Bibliographische Detailangaben
Hauptverfasser:	Perry, Brad, Archibald, Roger, Ansley, Jason
Format:	Patent
Sprache:	eng
Schlagworte:	AMMUNITION BASIC ELECTRIC ELEMENTS BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS RELAYS SELECTORS WEAPONS
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Beschreibung
Zusammenfassung:	A switch assembly, which is part of a chain of switch assemblies. The switch assembly includes a micro-controller PB that has no address, a thru-line switch, and a detonator switch. The micro-controller PB is configured to directly communicate with an upstream or downstream switch assembly through a pulsing scheme, and the micro-controller PB receives no command from a surface controller.