公开(公告)号：US20230340853A1

公开(公告)日：2023-10-26

申请号：US18138358

申请日：2023-04-24

申请人： ConocoPhillips Company

发明人： Hans-Jacob Lund ,  Daniel Fish

IPC分类号： E21B33/08

CPC分类号： E21B33/08 ,  E21B43/127

摘要： Implementations described and claimed herein provide apparatus and techniques for providing a seal for a polished rod. One example apparatus is a stuffing box. The stuffing box generally includes: a first flange configured to surround a polished rod; a second flange configured to surround the polished rod; a seal package disposed between the first flange and the second flang, the seal package being configured to surround and connect to the polished rod; and a flexible membrane surrounding the seal package, the flexible membrane being connected to at least a portion of the seal package.