发明名称 |
DOWNHOLE MULTIPLEXER AND RELATED METHODS |
摘要 |
In a broad aspect, the present invention is a downhole hydraulic multiplexer, which is comprised of one or more piloted shuttle valves (14), and method of using. The invention takes one or more input signals from a surface control panel or computer (86), said signals may be electric or hydraulic, and converts said signals into a plurality of pressurized hydraulic output channels. The invention is shown in a variety of preferred embodiments, including a tubing deployed version, a wireline retrievable version, and a version residing in the wall of a downhole completion tool. Also disclosed is the use of multiple shuttle valves used in parallel or in series to embody a downhole hydraulic fluid multiplexer, controllable by and reporting positions of said shuttle valves to said surface control panel or computer.
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申请公布号 |
WO0004274(A1) |
申请公布日期 |
2000.01.27 |
申请号 |
WO1999US15574 |
申请日期 |
1999.07.09 |
申请人 |
CAMCO INTERNATIONAL INC. |
发明人 |
LEISMER, DWAYNE, D.;HILL, THOMAS, G., JR.;MORRIS, ARTHUR, J. |
分类号 |
E21B34/06;E21B34/10;E21B34/16;E21B41/02;E21B44/00;(IPC1-7):E21B43/00 |
主分类号 |
E21B34/06 |
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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