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.
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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 |
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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