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.
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申请公布号 |
US6352111(B1) |
申请公布日期 |
2002.03.05 |
申请号 |
US20000480245 |
申请日期 |
2000.01.11 |
申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
BODE JEFFREY;FONTENOT J. GARY;ROUSE BILL;JORDON JOE |
分类号 |
B01D29/15;B01D35/02;B01D39/16;E21B43/08;(IPC1-7):E21B43/08;E21B43/38 |
主分类号 |
B01D29/15 |
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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