Downhole vibration enhancing apparatus and method of using and tuning the same
作者： Andy Ferguson , Roger Schultz
DOI:
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摘要: The present disclosure is directed to an apparatus for use with a vibratory tool in bottom hole assembly enhance the vibration of assembly. includes at least one spring mechanism and fluid passageway disposed within housing. can be tuned and/or parts manipulated match frequency vibrational apparatus.
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