发明名称 |
Method of centralising tubing in a wellbore |
摘要 |
A method of centralising tubing (10) in a wellbore comprises either providing one or more expandable elements (14) between a tubing and a surrounding casing (12) located in a wellbore and expanding the expandable elements against the casing so as to cause the tubing to centre within the casing; or expanding one or more portions (20) of a tubing against a surrounding casing located in a wellbore so as to cause the tubing to centre within the casing. |
申请公布号 |
NO20160621(A1) |
申请公布日期 |
2016.04.14 |
申请号 |
NO20160000621 |
申请日期 |
2016.04.14 |
申请人 |
STATOIL PETROLEUM AS |
发明人 |
GODØY RUNE;GRIMSBO GJERMUND;HEMMINGSEN PÅL VIGGO |
分类号 |
E21B17/10;E21B33/13;E21B43/10 |
主分类号 |
E21B17/10 |
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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