发明名称 |
SWITCHABLE MAGNETIC PARTICLE FILTER |
摘要 |
Systems, devices and methods for strands of conductor oriented in a first direction; and strands of soft magnetic material oriented in a second direction that is different from the first direction evaluating a downhole fluid from a borehole intersecting an earth formation. The method may include filtering magnetic particles in the downhole fluid by activating a switchable magnetic filter when the downhole fluid enters a sample chamber in the borehole. The downhole fluid may include formation fluid. The filter may include a wire mesh comprising strands of conductor oriented in a first direction; and strands of soft magnetic material oriented in a second direction. The method may also include cleaning the switchable magnetic filter by deactivating the switchable magnetic filter. Cleaning the switchable magnetic filter may include removing filtered particles using a fluid. The fluid may be at least one of: i) the downhole fluid; and ii) engineered fluid. The method may further include estimating a parameter of interest of the downhole fluid in the sample chamber. |
申请公布号 |
US2015021034(A1) |
申请公布日期 |
2015.01.22 |
申请号 |
US201313946598 |
申请日期 |
2013.07.19 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
Kruspe Thomas |
分类号 |
E21B37/08 |
主分类号 |
E21B37/08 |
代理机构 |
|
代理人 |
|
主权项 |
1. A method for evaluating a downhole fluid from a formation intersected by a borehole, the method comprising:
filtering magnetic particles in downhole fluid by activating a switchable magnetic filter when the downhole fluid enters a sample chamber in the borehole. |
地址 |
Houston TX US |