发明名称 COMPONENTS OF DRILLING ASSEMBLIES, DRILLING ASSEMBLIES, AND METHODS OF STABILIZING DRILLING ASSEMBLIES IN WELLBORES IN SUBTERRANEAN FORMATIONS
摘要 A component of a drilling assembly comprises at least one blade having a gauge region comprising a bearing face for engaging a sidewall of a wellbore in a subterranean formation during rotation of the drilling assembly, and a rotationally leading edge rotationally preceding the bearing face and comprising an engagement profile comprising at least one of at least one chamfered surface and at least one radiused surface, the engagement profile different than another engagement profile of another rotationally leading edge of another region of the at least one blade. A drilling assembly, and a method for stabilizing a drilling assembly in a wellbore in a subterranean formation are also provided.
申请公布号 US2014246242(A1) 申请公布日期 2014.09.04
申请号 US201313783136 申请日期 2013.03.01
申请人 BAKER HUGHES INCORPORATED 发明人 Radford Steven R.;Ohm Amanda K.;Kulkarni Ajay V.
分类号 E21B17/10;E21B10/32;E21B7/06;E21B10/567 主分类号 E21B17/10
代理机构 代理人
主权项 1. A component of a drilling assembly, comprising: at least one blade having a gauge region comprising: a bearing face for engaging a wall of a borehole in a subterranean formation during rotation of the drilling assembly; anda rotationally leading edge rotationally preceding the bearing face and comprising an engagement profile comprising at least one of at least one chamfered surface and at least one radiused surface, the engagement profile different than another engagement profile of another rotationally leading edge of another region of the at least one blade.
地址 Houston TX US