发明名称 DOWNHOLE SCRAPER
摘要 <p>A downhole tool including a resilient body configured to be disposed on a drill string, the resilient body comprising a plurality of radial blades having an abrasive coating, wherein the radial blades are configured to deflect when inserted into downhole tubing, and wherein the resilient body is configured to allow rotation relative to the drill string. Additionally, a method for cleaning downhole tubing, the method including inserting a resilient scraper disposed on a drill string into the downhole tubing, the resilient scraper including a plurality of radial blades having an abrasive coating. The method further including rotating the drill string, and contacting the resilient scraper to an internal wall of the downhole tubing.</p>
申请公布号 CA2701560(C) 申请公布日期 2015.12.01
申请号 CA20082701560 申请日期 2008.10.01
申请人 M-I LLC 发明人 WOLF, JOHN C.
分类号 E21B37/02 主分类号 E21B37/02
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