发明名称 |
HOLD DOWN APPARATUS FOR PROGRESSING CAVITY PUMP |
摘要 |
A hold down apparatus is taught for a progressing cavity pump of the type having a stator, a helical rotor locatable in the stator and rotated by a string of rods, the pump being insertable in a bore of a tubing string by carriage on the rod string. The hold down apparatus includes a sub connected to a lower end of the tubing, the sub having a bore open to the bore of the tubing string and including a pump-engaging member; and a hold down member at the lower end of the stator for insertion into the sub, the hold down member having a bore therethrough with a tag bar extending thereacross and including a tubing-engaging member for engaging with the pump-engaging member of the sub and for abutting against the pump-engaging member hold the stator against rotation relative to the sub
|
申请公布号 |
CA2310198(C) |
申请公布日期 |
2010.04.27 |
申请号 |
CA20002310198 |
申请日期 |
2000.05.29 |
申请人 |
KUDU INDUSTRIES INC. |
发明人 |
HILL, DAVID A.;ALDRIDGE, COLIN A. |
分类号 |
E21B23/00;B41M7/00;B44C1/10;B44F11/02;E21B33/10;E21B43/12;F04B47/00;F04C13/00 |
主分类号 |
E21B23/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|