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Centralizer for use with wellbore drill collar

机译:扶正器,与井眼钻collar配合使用

摘要

A centralizer includes one or more centralizer fins radially extending from a body of the centralizer. The centralizer fins may include one or more chambers extending through the outer surfaces of the centralizer fins. The one or more chambers may change shape in response to a compression force being applied to the centralizer fins to cause the centralizer fins to deform. The centralizer fins may be deformed for installation of the centralizer in a drill collar. The centralizer may also include a split-ring clamp for coupling the centralizer to a drilling tool positioned in a through-bore of the centralizer body. The split-ring clamp may apply a load on the drilling tool in response to an end cap being torqued to an end portion of the centralizer body.
机译:扶正器包括从扶正器的主体径向延伸的一个或多个扶正器翅片。扶正翅片可包括一个或多个穿过扶正翅片外表面延伸的腔室。一个或多个腔室可响应于施加到扶正器翅片的压缩力而改变形状,以使扶正器翅片变形。扶正器翅片可变形以将扶正器安装在钻collar中。扶正器还可包括开口环夹具,用于将扶正器耦合到定位在扶正器主体的通孔中的钻孔工具。开口环夹具可响应于将端盖扭转到扶正器主体的端部而在钻具上施加载荷。

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