发明名称 |
Barrier for a downhole tool |
摘要 |
A barrier assembly for use with a downhole pump includes a first tubular adapter, a second tubular adapter, and a braided sleeve disposed between the first tubular adapter and the second tubular adapter. The sleeve is configured to block passage of a particulate. |
申请公布号 |
US9617835(B2) |
申请公布日期 |
2017.04.11 |
申请号 |
US201414209920 |
申请日期 |
2014.03.13 |
申请人 |
Weatherford Technology Holdings, LLC |
发明人 |
Ferguson Patrick David;Miller Mark Gerald;Stachowiak, Jr. John Edward |
分类号 |
E21B43/08;E21B43/12 |
主分类号 |
E21B43/08 |
代理机构 |
Patterson & Sheridan, LLP |
代理人 |
Patterson & Sheridan, LLP |
主权项 |
1. A pump assembly, comprising:
a barrel; a plunger; a rod for operating the plunger; and a barrier assembly adjustable between an expanded position and an unexpanded position, the barrier assembly having a mesh sleeve configured to block passage of a particulate from an annular area above the mesh sleeve to an annular area below the mesh sleeve when the barrier assembly is in the expanded position, wherein the mesh sleeve is configured to allow fluid communication when in the expanded position. |
地址 |
Houston TX US |