| 摘要 |
A rod pump for use in a wellbore is provided. In one embodiment, the rod pump comprises a traveling valve cage attachable to a rod string, the traveling valve cage having a first latch component operatively connected thereto; and a pump housing having a second latch component operatively connected thereto, wherein the first latch component is disposable in latching engagement with the second latch component. The first latch component comprises a surface having a set of grooves, and the second latch component comprises one or more pins.
|
