MUD-PULSE TELEMETRY SYSTEM INCLUDING A PULSER FOR TRANSMITTING INFORMATION ALONG A DRILL STRING

MUD-PULSE TELEMETRY SYSTEM INCLUDING A PULSER FOR TRANSMITTING INFORMATION ALONG A DRILL STRING

A rotary pulser and method is disclosed that includes a housing, a stator supported by the housing, a rotor adjacent to the downhole end of the stator, and a motor assembly coupled to the rotor. A controller may receive a signal that includes drilling information. In response to receiving the signal...

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1. Verfasser: Barbely, Jason R
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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creator Barbely, Jason R
description A rotary pulser and method is disclosed that includes a housing, a stator supported by the housing, a rotor adjacent to the downhole end of the stator, and a motor assembly coupled to the rotor. A controller may receive a signal that includes drilling information. In response to receiving the signal, the controller causes the motor assembly to rotate the rotor in a first rotational direction through a rotation cycle. The rotation cycle a) rotates the rotor from a first position, where the rotor does not obstruct the at least one passage, into a second position, where the rotor obstructs the at least one passage, and b) rotates the rotor from the second position to a third position in the first rotational direction. Rotation of the rotor generates a pressure pulse in the drilling fluid.
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subjects 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
title MUD-PULSE TELEMETRY SYSTEM INCLUDING A PULSER FOR TRANSMITTING INFORMATION ALONG A DRILL STRING
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