发明名称 |
Velocity strings |
摘要 |
A velocity string installation method comprises the steps of: removing an existing safety valve from a production tubing safety valve nipple; running a velocity string into the production tubing to engage the safety valve nipple; and then running a velocity string safety valve into the velocity string and coupling the safety valve with a port at the safety valve nipple. |
申请公布号 |
EP2532830(A2) |
申请公布日期 |
2012.12.12 |
申请号 |
EP20120169335 |
申请日期 |
2012.05.24 |
申请人 |
WEATHERFORD/LAMB INC. |
发明人 |
SMITH, RODDIE R;MACLURG, MICHAEL JOHN;BIRNER, WOLFGANG HORACE |
分类号 |
E21B23/02;E21B33/04;E21B34/10 |
主分类号 |
E21B23/02 |
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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