发明名称 POSITIONING STABILIZER ASSEMBLY USING SHOULDER RING
摘要 A stabilizer assembly using a shoulder ring. The drilling tool may include a housing having one or more external splines disposed along an outer surface of the housing. The drilling tool may also include a rotatable shaft disposed inside the housing, the shaft having a downhole end portion configured to be coupled to a drill bit. The drilling tool may further include a stabilizer assembly movably coupled to the housing. In addition, the drilling tool may include a shoulder ring having one or more internal splines disposed on an inner surface thereof, the shoulder ring disposed around the housing and configured to prevent uphole movement of the stabilizer assembly when the one or more internal splines of the shoulder ring are engaged with the one or more external splines.
申请公布号 US2014174833(A1) 申请公布日期 2014.06.26
申请号 US201314135696 申请日期 2013.12.20
申请人 Smith International, Inc. 发明人 Vanecko Pavel;Towner Daniel
分类号 E21B17/10 主分类号 E21B17/10
代理机构 代理人
主权项 1. A drilling tool, comprising: a housing having one or more external splines disposed along an outer surface of the housing; a rotatable shaft disposed inside the housing, the shaft having a downhole end portion configured to be coupled to a drill bit; a stabilizer assembly movably coupled to the housing; and a shoulder ring having one or more internal splines disposed on an inner surface thereof, the shoulder ring disposed around the housing and configured to prevent uphole movement of the stabilizer assembly when the one or more internal splines of the shoulder ring are engaged with the one or more external splines.
地址 Houston TX US