发明名称 Fishing tool for drill pipe
摘要 <p>A fishing tool is provided to enable retrieval of fish from a mineral extraction system. The fishing tool includes a frustoconical member, an outer tubular member, and an inner tubular member. The inner tubular member includes a plurality of receptacles configured to receive a plurality of jaws. Each of the jaws may include teeth on an inward facing surface of the jaw. The outer tubular member may be hydraulically actuated to cause the jaws to move radially inward and engage the fish, enabling removal of the tool and the fish. Systems and methods that include the fishing tool are also provided.</p>
申请公布号 GB2521232(A) 申请公布日期 2015.06.17
申请号 GB20140003415 申请日期 2012.10.10
申请人 CAMERON INTERNATIONAL CORPORATION 发明人 WILLIAM F PUCCIO
分类号 E21B31/18 主分类号 E21B31/18
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