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    • 1. 发明申请
    • SHARP AND EROSION RESISTANCE DEGRADABLE MATERIAL FOR SLIP BUTTONS AND SLIDING SLEEVE BAFFLES
    • 用于滑动按钮和滑动套管的耐冲击和耐磨损材料
    • WO2017086955A1
    • 2017-05-26
    • PCT/US2015/061365
    • 2015-11-18
    • HALLIBURTON ENERGY SERVICES, INC.FRIPP, Michael, L.WALTON, Zach
    • FRIPP, Michael, L.WALTON, ZachFROSELL, Thomas
    • E21B33/12E21B41/00
    • E21B34/14E21B33/129E21B34/063E21B2034/007
    • A sharp and erosion resistant degradable material used in a component in a downhole tool and a method of using said degradable material. More particularly, the sharp and erosion resistant degradable material includes dissolvable metal matrix composite which includes a dissolvable metal and a dispersed reinforcement material wherein the dissolvable metal is capable of dissolving via galvanic corrosion. The dissolvable metal may include at least one of aluminum alloy, magnesium alloy, zinc alloy, bismuth alloy, tin alloy, or any combination thereof. The dispersed reinforcement material may include a ceramic or a hardened metal. The ceramic may include at least one of: zirconia (including zircon), alumina (including fused alumina, chrome-alumina, and emery), carbide (including tungsten carbide, silicon carbide, titanium carbide, and boron carbide), boride (including boron nitride, osmium diboride, rhenium boride, titanium boride, and tungsten boride), nitride (silicon nitride and aluminum nitride), synthetic diamond, silica, and any combination thereof.
    • 用于井下工具中的部件中的抗尖锐和抗侵蚀的可降解材料以及使用所述可降解材料的方法。 更具体地说,耐尖锐和耐侵蚀的可降解材料包括可溶性金属基体复合材料,其包括可溶解金属和分散增强材料,其中可溶解金属能够通过电偶腐蚀来溶解。 可溶解金属可以包括铝合金,镁合金,锌合金,铋合金,锡合金或其任意组合中的至少一种。 分散的增强材料可以包括陶瓷或硬化的金属。 陶瓷可以包括氧化锆(包括锆石),氧化铝(包括熔融氧化铝,铬 - 氧化铝和金刚砂),碳化物(包括碳化钨,碳化硅,碳化钛和碳化硼),硼化物(包括硼 氮化物,二硼化锇,硼化铼,硼化钛和硼化钨),氮化物(氮化硅和氮化铝),合成金刚石,二氧化硅及其任何组合。