发明名称 |
APPARATUS FOR TENSIONING TUBING STRINGS IN WELL BORES |
摘要 |
<p>An apparatus or tool for applying tension to a tubing string. The tool comprises a housing and a sleeve within the housing. One end of the housing is attached to the tubing string and the opposite end of the sleeve is attached to the tubing string. Hydraulic fluid pressure acts upon a piston carried by the sleeve to contract the sleeve relative to the housing and apply tension to the tubing string. The hydraulic tubing tensioner can be used to apply tension to tubing between two packers or to apply tension to a tubing string extending from a downhole packer to the well surface.</p> |
申请公布号 |
GB2044318(A) |
申请公布日期 |
1980.10.15 |
申请号 |
GB19800003301 |
申请日期 |
1980.01.31 |
申请人 |
OTIS ENG CORP |
发明人 |
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分类号 |
E21B17/07;E21B41/00;E21B43/10;(IPC1-7):21B33/04 |
主分类号 |
E21B17/07 |
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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