发明名称 |
PRE-MILLED WINDOWS HAVING A COMPOSITE MATERIAL COVERING |
摘要 |
A casing section comprising: a body comprising a wall; a window, wherein the window is an opening in the wall of the body; and a covering, wherein the covering: (A) is composed of a composite material; (B) is located on the outer surface of the body; (C) covers the window; and (D) spans at least a sufficient distance beyond the perimeter of the window such that the casing section has a desired pressure rating at the location of the window. A method of creating a lateral wellbore in a subterranean formation comprising: introducing a casing string into a wellbore, wherein the casing string comprises at least one casing section; drilling through at least a portion of the covering from the inside of the casing string to expose the window; and forming the lateral wellbore adjacent to the exposed window. |
申请公布号 |
CA2924347(A1) |
申请公布日期 |
2015.05.14 |
申请号 |
CA20132924347 |
申请日期 |
2013.11.08 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
COATS, E. ALAN |
分类号 |
E21B29/08;E21B7/08;E21B29/10 |
主分类号 |
E21B29/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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