发明名称 Pipe Centralizer Having Low-Friction Coating
摘要 A centralizer for a tubular body in a wellbore is provided herein. The centralizer includes an elongated body having a bore there through. The bore is dimensioned to receive a tubular body. The elongated body has an inner surface and an outer surface. The centralizer also has a coating deposited on at least the inner surface. The coating is designed to provide a reduced coefficient of friction on the surface. A method of fabricating a centralizer is also provided herein.
申请公布号 US2014311756(A1) 申请公布日期 2014.10.23
申请号 US201414249958 申请日期 2014.04.10
申请人 Rock Dicke Incorporated 发明人 Dicke Rock
分类号 E21B17/10;C23C16/04;B05D5/08;B05D1/12 主分类号 E21B17/10
代理机构 代理人
主权项 1. A centralizer for a tubular body in a wellbore, comprising: an elongated body having an inner surface and an outer surface, wherein the inner surface defines a bore that is dimensioned to receive a tubular body, and the outer surface defines centralizing members dimensioned to engage the surrounding wellbore; and a coating deposited on the inner surface, wherein the coating provides a coefficient of friction below about 0.1.
地址 Mason TX US