发明名称 TUBULAR CUTTING TOOL
摘要 A method of cutting a tubular includes providing a rotatable cutting tool in the tubular, the cutting tool having a blade with a cutting structure thereon; extending the blade relative to the cutting tool; rotating the cutting tool relative to the tubular; guiding the cutting structure into contact with the tubular; cutting the tubular using the blade; and limiting extension of the blade. A rotatable blade for cutting a tubular includes a blade body extendable from a retracted position; a cutting structure disposed on a leading edge of the blade body, the cutting structure configured to cut the tubular; a stop on a first surface of the blade body; and an initial engagement point on a second surface of the blade body, the initial engagement point configured to guide the cutting structure into contact with the tubular.
申请公布号 US2016312561(A1) 申请公布日期 2016.10.27
申请号 US201615136540 申请日期 2016.04.22
申请人 Weatherford Technology Holdings, LLC 发明人 MILLER James R.;BLANKENSHIP Dan Hugh;STONE Jeremy Lee;TEALE David W.
分类号 E21B29/00 主分类号 E21B29/00
代理机构 代理人
主权项 1. A method of cutting a tubular, comprising: providing a rotatable cutting tool in the tubular, the cutting tool having a blade with a cutting structure thereon; extending the blade relative to the cutting tool; rotating the cutting tool relative to the tubular; guiding the cutting structure into contact with the tubular; cutting the tubular using the blade; and limiting extension of the blade.
地址 Houston TX US