Invention Grant
- Patent Title: Downhole sleeve system and method
- Patent Title (中): 井下套管系统及方法
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Application No.: US13545605Application Date: 2012-07-10
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Publication No.: US09279312B2Publication Date: 2016-03-08
- Inventor: James G. King
- Applicant: James G. King
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES INCORPORATED
- Current Assignee: BAKER HUGHES INCORPORATED
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B34/14
- IPC: E21B34/14 ; E21B34/06 ; E21B33/12 ; E21B43/26 ; E21B43/28 ; E21B34/00

Abstract:
A downhole tool includes a tubular including a port. A first ball mechanism including a first shuttle axially movable within the tubular from a first position covering the port to a second position exposing the port. A first ball seat movable with the first shuttle and a second ball mechanism including a second shuttle axially movable within the tubular from a first position exposing the port to a second position covering the port. A second ball seat movable with the second shuttle, wherein an opening of the first ball seat is smaller than an opening of the second ball seat. Also includes a method of opening and closing a port in a downhole tubular and a method of completing downhole operations in a non-sequential order using a sleeve system having a plurality of downhole tools.
Public/Granted literature
- US20140014340A1 DOWNHOLE SLEEVE SYSTEM AND METHOD Public/Granted day:2014-01-16
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