发明名称 Casing centralizer
摘要 A casing centralizer comprising a cylindrical base and a plurality of blades extending from the cylindrical base. The plurality of blades and the cylindrical base of the casing centralizer are compression molded as a single piece from a mineral filled, glass and specialty fiber reinforced polyester molding compound.
申请公布号 US9422774(B2) 申请公布日期 2016.08.23
申请号 US201514738697 申请日期 2015.06.12
申请人 SUMMIT ENERGY SERVICES, INC. 发明人 Hansen Mitchel D.;Eldridge Andrew M.;Riddle Jody D.;Danielson Jeffrey Scott
分类号 E21B17/10;E21B19/24 主分类号 E21B17/10
代理机构 Jackson Walker LLP 代理人 Jackson Walker LLP ;Dietrich Blake T.
主权项 1. A casing centralizer comprising: a cylindrical base; a plurality of blades extending from the cylindrical base, wherein the plurality of blades and the cylindrical base are compression molded as a single piece from non-metallic molding compound, wherein each blade in the plurality of blades has a curved slope from the cylindrical base to a top portion of each blade, and wherein the top portion of each blade is a flat surface; and wherein each of the plurality of blades further comprises a top surface having a flat segment, a smooth curved transition between the cylindrical base and the flat segment on the top surface of the blade without any edges, and a curved transition between opposing flat sides of the blade and the flat segment on the top surface of the blade.
地址 Fort Worth TX US