发明名称 CUTTER POCKET HAVING REDUCED STRESSED CONCENTRATION
摘要 A method for forming a drag bit using displacements having a rounded end that creates a cutter pocket having a rounded rear portion. The displacement may comprise an insert on the rounded end that remains in the drag bit during and after formation. A cutter element may then be attached to the upper portion of the insert. The rounded shape of the insert provides a more even force distribution.
申请公布号 WO2009003088(A2) 申请公布日期 2008.12.31
申请号 WO2008US68304 申请日期 2008.06.26
申请人 BAKER HUGHES INCORPORATED;BIRD, MARC, W.;OXFORD, ANDY 发明人 BIRD, MARC, W.;OXFORD, ANDY
分类号 E21B10/42;B23P15/28 主分类号 E21B10/42
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