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1. (WO2017156129) WELLBORE PACKER AND METHOD OF MAKING SAME

Pub. No.:    WO/2017/156129    International Application No.:    PCT/US2017/021364
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Thu Mar 09 00:59:59 CET 2017
IPC: E21B 33/127
E21B 33/12
E21B 17/00
Applicants: ELITE ELASTOMERS, INC.
Inventors: GLIDEWELL, Steve
MILLER, James
Title: WELLBORE PACKER AND METHOD OF MAKING SAME
Abstract:
Wellbore packer 10 includes base pipe 12, pair of end rings 14, swellable material 16 connected to the base pipe 12 in between pair of end rings 14, and non swellable end caps 18 connected to swellable material 16, and base pipe 12 in between swellable material 16 and pair of end rings 14. A method of making packer 10 includes the steps of providing base pipe 12, applying swellable material 16 to base pipe 12, connecting curing rings 28 to base pipe 12; connecting non swellable end caps 18 to base pipe 12 between swellable material 16 and curing rings 28; co-vulcanizing swellable material 16 and non swellable end caps 18 until they bond to one another; removing curing rings 28; and connecting end rings 14 to base pipe 12 adjacent to non swellable end caps 18.