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 |
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代理人 |
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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 |