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 |