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Title: System and method for damping vibration in a drill string using a magnetorheological damper

Abstract

A system for damping vibration in a drill string can include a magnetorheological fluid valve assembly having a supply of a magnetorheological fluid. A remanent magnetic field is induced in the valve during operation that can be used to provide the magnetic field for operating the valve so as to eliminate the need to energize the coils except temporarily when changing the amount of damping required. The current to be supplied to the coil for inducing a desired magnetic field in the valve is determined based on the limiting hysteresis curve of the valve and the history of the magnetization of the value using a binary search methodology. The history of the magnetization of the valve is expressed as a series of sets of current and it resulting magnetization at which the current experienced a reversal compared to prior values of the current.

Inventors:
; ; ;
Publication Date:
Research Org.:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1444113
Patent Number(s):
9,976,360
Application Number:
13/228,376
Assignee:
APS Technology, Inc. (Wallingford, CT)
DOE Contract Number:  
FC26-02NT41664
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Sep 08
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Wassell, Mark Ellsworth, Burgess, Daniel E., Barbely, Jason R., and Thompson, Fred Lamar. System and method for damping vibration in a drill string using a magnetorheological damper. United States: N. p., 2018. Web.
Wassell, Mark Ellsworth, Burgess, Daniel E., Barbely, Jason R., & Thompson, Fred Lamar. System and method for damping vibration in a drill string using a magnetorheological damper. United States.
Wassell, Mark Ellsworth, Burgess, Daniel E., Barbely, Jason R., and Thompson, Fred Lamar. Tue . "System and method for damping vibration in a drill string using a magnetorheological damper". United States. https://www.osti.gov/servlets/purl/1444113.
@article{osti_1444113,
title = {System and method for damping vibration in a drill string using a magnetorheological damper},
author = {Wassell, Mark Ellsworth and Burgess, Daniel E. and Barbely, Jason R. and Thompson, Fred Lamar},
abstractNote = {A system for damping vibration in a drill string can include a magnetorheological fluid valve assembly having a supply of a magnetorheological fluid. A remanent magnetic field is induced in the valve during operation that can be used to provide the magnetic field for operating the valve so as to eliminate the need to energize the coils except temporarily when changing the amount of damping required. The current to be supplied to the coil for inducing a desired magnetic field in the valve is determined based on the limiting hysteresis curve of the valve and the history of the magnetization of the value using a binary search methodology. The history of the magnetization of the valve is expressed as a series of sets of current and it resulting magnetization at which the current experienced a reversal compared to prior values of the current.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {5}
}

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Works referenced in this record:

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