-
公开(公告)号:US20140116714A1
公开(公告)日:2014-05-01
申请号:US13871642
申请日:2013-04-26
Applicant: James Allen Jefferies , Schuyler Kuykendall
Inventor: James Allen Jefferies , Schuyler Kuykendall
IPC: E21B43/12
CPC classification number: E21B43/123 , E21B34/14 , E21B43/12 , E21B43/121
Abstract: An improved bypass valve assembly for a plunger lift apparatus comprises a bypass valve cage having improved flow characteristics and a simplified clutch assembly having enhanced durability and low cost.
Abstract translation: 用于柱塞提升装置的改进的旁通阀组件包括具有改善的流动特性的旁通阀保持架和具有增强的耐久性和低成本的简化的离合器组件。