Invention Application
- Patent Title: PACKERS HAVING CONTROLLED SWELLING AND METHODS OF MANUFACTURING THEREOF
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Application No.: US15496034Application Date: 2017-04-25
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Publication No.: US20180305996A1Publication Date: 2018-10-25
- Inventor: Ping Duan , Anil Sadana , Wayne Furlan
- Applicant: Ping Duan , Anil Sadana , Wayne Furlan
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Main IPC: E21B33/12
- IPC: E21B33/12

Abstract:
A sealing system for a flow channel comprises a mandrel; a swellable element disposed about the mandrel; and a degradable polymeric element disposed on a surface of the swellable element and configured to delay swelling of the swellable element; wherein the degradable polymeric element comprises one or more of the following: polyurethane; cured cyanate ester; an epoxy; polyimide; unsaturated polyester; or nylon.
Public/Granted literature
- US10738560B2 Packers having controlled swelling and methods of manufacturing thereof Public/Granted day:2020-08-11
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