公开(公告)号：US12203332B2

公开(公告)日：2025-01-21

申请号：US18138358

申请日：2023-04-24

Applicant: ConocoPhillips Company

Inventor： Hans-Jacob Lund ,  Daniel Fish

IPC: E21B33/08 ,  E21B43/12

Abstract: 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.

公开(公告)号：US20230340853A1

公开(公告)日：2023-10-26

申请号：US18138358

申请日：2023-04-24

Applicant: ConocoPhillips Company

Inventor： Hans-Jacob Lund ,  Daniel Fish

IPC: E21B33/08

CPC classification number: E21B33/08 ,  E21B43/127

Abstract: 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.