发明名称 CONTROLLED BLADE FLEX FOR FIXED CUTTER DRILL BITS
摘要 An example drill bit may include a drill bit body and a flexible blade positioned on the drill bit body. The drill bit further may include a cutting element coupled to and extending a distance beyond a face of the flexible blade. The cutting element may have a back rake angle and a side rake angle. At least one of the distance, back rake angle, and side rake angle may depend on a flexed position of the flexible blade.
申请公布号 WO2015088508(A1) 申请公布日期 2015.06.18
申请号 WO2013US74334 申请日期 2013.12.11
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 THOMAS, JEFFREY GERALD;OWNBY, CLAYTON ARTHUR
分类号 E21B10/43;E21B10/44;E21B10/46 主分类号 E21B10/43
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