发明名称 HARD-FACING FOR DOWNHOLE TOOLS AND MATRIX BIT BODIES WITH ENHANCED WEAR RESISTANCE AND FRACTURE TOUGHNESS
摘要 A composite material and a methods of making and using the composite material, wherein the composite material provides improved wear resistance and fracture toughness to hard-facing and matrix materials for down hole drilling tools.
申请公布号 WO2015065820(A1) 申请公布日期 2015.05.07
申请号 WO2014US62089 申请日期 2014.10.24
申请人 NATIONAL OILWELL DHT, L.P. 发明人 WANG, YING;ARCENEAUX, WESLEY CRAIG;SUE, JIINJEN ALBERT;SRESHTA, HAROLD A.
分类号 C04B35/56;C01B31/34;C04B35/628;C04B41/45;E21B10/567 主分类号 C04B35/56
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