发明名称 |
FILTER FOR SUBTERRANEAN WELLS |
摘要 |
A subterranean filter to remove particles from production fluid in a well includes a perforated inner member, at least one filter membrane made of a non-woven polymer material and a metal braided layer installed around the membrane and inner member to provide a filter having improved permeability and resistance to chemical and physical forces. <IMG>
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申请公布号 |
CA2395581(C) |
申请公布日期 |
2006.08.22 |
申请号 |
CA20012395581 |
申请日期 |
2001.01.04 |
申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
BODE, JEFFREY;FONTENOT, GARY;ROUSE, BILL;JORDON, JOE |
分类号 |
E21B43/08;B01D29/15;B01D35/02;B01D39/16 |
主分类号 |
E21B43/08 |
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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