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1. (WO2018144682) SHROUDED ELECTRICAL SUBMERSIBLE PUMP

Pub. No.:    WO/2018/144682    International Application No.:    PCT/US2018/016363
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Fri Feb 02 00:59:59 CET 2018
IPC: E21B 43/12
Applicants: SAUDI ARABIAN OIL COMPANY
ARAMCO SERVICES COMAPNY
Inventors: AL-ZAHRANI, Abdullah, M.
Title: SHROUDED ELECTRICAL SUBMERSIBLE PUMP
Abstract:
A system for producing hydrocarbons from a subterranean well includes an electrical submersible pump assembly with a motor, a seal section, and a pump. A packer assembly with a mechanical valve is retrievable with the electrical submersible pump assembly and is a primary high pressure mechanical barrier. A shroud fully encapsulates the electrical submersible pump assembly. An annular seal assembly seals around an outer diameter of the shroud, the shroud and the annular seal assembly together being a secondary high pressure mechanical barrier.