发明名称 |
Flow control device |
摘要 |
The invention relates to a device for control of the flow through a production tube placed in an oil well. The device comprising a portion of the production tube provided with through orifices and protection equipment for providing resistance to wear by erosion. The protection equipment comprises several add-on sectors assembled around the portion of the tube. Each add-on sector provided with an associated inner stiffener penetrating into the portion of the production tube through at least one through orifice. At least one of the add-on sectors provided with at least one opening extending through the sector and its associated inner stiffener.
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申请公布号 |
US7546879(B2) |
申请公布日期 |
2009.06.16 |
申请号 |
US20050529935 |
申请日期 |
2005.12.19 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
CANTIN GILLES;TOURILLON VINCENT;GERGELE VINCENT |
分类号 |
E21B34/00;E21B21/10;E21B34/06 |
主分类号 |
E21B34/00 |
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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