发明名称 TOP DRIVE WELL CASING SYSTEM AND METHOD
摘要 A well casing system is disclosed for the handling and make-up of casing (35 ) on a drilling rig in conjunction with a top drive (5) is disclosed. The system comprises a top drive (5) , a casing make-up assembly (45), links (27, 32), link tilts (29, 40), and transfer (30) and lifting (25) elevators. The operator can remotely manipulate the elevators (25, 30) to pick up and position a joint of casing (35) above the casing already secured in the drilling hole. The operator can then engage the gripper head (75) and use th e rotational capability of the top drive (5) to remotely couple the two joints of casing together.
申请公布号 CA2678206(A1) 申请公布日期 2003.05.08
申请号 CA20022678206 申请日期 2002.10.23
申请人 CANRIG DRILLING TECHNOLOGY, LTD. 发明人 YORK, LEMUEL T.;RICHARDSON, ALLAN S.;KUTTEL, BEAT
分类号 E21B19/20;E21B19/06;E21B19/084;E21B19/16 主分类号 E21B19/20
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