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SHAPED MATERIAL FOR DOWNHOLE TOOL MEMBER, DOWNHOLE TOOL MEMBER, AND DOWNHOLE TOOL 发明申请

2023-09-03 2380 2084K 0

专利信息

申请日期 2025-07-11 申请号 WOJP16088681
公开(公告)号 WO2017111159A1 公开(公告)日 2017-06-29
公开国别 WO 申请人省市代码 全国
申请人 KUREHA CORPORATION
简介 This shaped material for downhole tool member is a magnesium alloy in which 0 wt% or more and less than 0.3 wt% of a rare earth metal, a metal material other than magnesium and a rare earth metal, and 0.1 to 20 wt% of a decomposition promoter are dispersed in a phase containing 70-95 wt% of magnesium, the average particle diameter of the metal material being 1-300 μm, the tensile strength being 200-500 MPa, and the decomposition speed in a 2% potassium chloride aqueous solution at 93°C being 20 mg/cm2 to 20, 000 mg/cm2 per day. A high-strength, readily decomposable downhole tool is realized thereby.


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