发明名称 EROSION RESISTANT HARD COMPOSITE MATERIALS
摘要 <p>A hard composite composition comprises a binder, and a polymodal blend of matnx powder In an embodiment, the polymodal blend of matrix powder has at least one local maxima at a particle size of 30 µm or less, at least one local maxima at a particle size of 200 µm or more, and at least one local minima between a particle size of about 30 µm to about 200 µm that has a value that is less than the local maxima at a particle size of 30 µm or less.</p>
申请公布号 WO2011162775(A1) 申请公布日期 2011.12.29
申请号 WO2010US40065 申请日期 2010.06.25
申请人 HALLIBURTON ENERGY SERVICES, INC.;OLSEN, GARRETT, T. 发明人 OLSEN, GARRETT, T.
分类号 E21B10/46 主分类号 E21B10/46
代理机构 代理人
主权项
地址