发明名称 |
DOWNHOLE TOOL WITH MAGNETIC BYPASS SEAT. |
摘要 |
A check valve is provided having a magnetic plug and a magnetic seat. The magnetic seat and magnetic plug operationally engage so as to have a magnetic resistivity such that there is a first position in which the magnetic plug does not sealingly engage the magnetic seat and a second position where the magnetic plug is sealingly engaged with the magnetic seat. |
申请公布号 |
MX2016001817(A) |
申请公布日期 |
2016.04.15 |
申请号 |
MX20160001817 |
申请日期 |
2013.09.11 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
NICHOLAS FREDERICK BUDLER;TODD ANTHONY STAIR;PATRICK LYLE CHERNEY |
分类号 |
E21B21/10;E21B34/06 |
主分类号 |
E21B21/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|