发明名称 ACCURATE PLACEMENT OF POWDERS TO FORM OPTIMIZED POLYCRYSTALLINE DIAMOND CUTTER ELEMENTS AND CUTTING TOOLS
摘要 A method of making a cutter element for a drill bit, wherein a first material is positioned into a canister to form a first region, and a second material is positioned to form a second region, wherein said positioning is by a fill to weight system; a substrate is loaded into the canister; and the canister is sintered to form a cutter element, wherein the first region and the second region impart a polycrystalline diamond table having different characteristics.
申请公布号 WO2014117097(A4) 申请公布日期 2014.12.18
申请号 WO2014US13217 申请日期 2014.01.27
申请人 NATIONAL OILWELL VARCO, L.P.;MATTHIAS, TERRY RICHARD;FRANCIS, MARK J.;BROWN, SIMON J.;EMERY, KEVIN J.;ELLIS, PAUL I.;NIXON, MICHAEL SCOTT 发明人 MATTHIAS, TERRY RICHARD;FRANCIS, MARK J.;BROWN, SIMON J.;EMERY, KEVIN J.;ELLIS, PAUL I.;NIXON, MICHAEL SCOTT
分类号 C22C1/05;C22C26/00;E21B10/56 主分类号 C22C1/05
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