DOWNHOLE TOOL CONTAINING DOWNHOLE-TOOL MEMBER CONTAINING REACTIVE METAL AND DOWNHOLE-TOOL MEMBER CONTAINING DEGRADABLE RESIN COMPOSITION, AND WELL-DRILLING METHOD
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United States of America Patent
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Sep 15, 2015
filing date -
Sep 22, 2014
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Abstract
A downhole tool, provided with: a downhole-tool member containing a reactive metal; a downhole-tool member containing a degradable resin composition that promotes degradation of the reactive metal, preferably a degradable resin composition containing a degradable resin that generates an acid by degradation or a degradable resin composition containing a degradable resin and an inorganic substance or organic substance that promotes degradation of the reactive metal; and, as desired, a degradable rubber member. Moreover, a well-drilling method using this downhole tool.
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