US 12,371,978 B2
Electric submersible pump systems
Arthur Ignatius Watson, Sugar Land, TX (US); and Jose Angel Caridad Urena, Houston, TX (US)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on May 20, 2024, as Appl. No. 18/668,969.
Application 18/668,969 is a continuation of application No. 17/995,200, granted, now 12,018,553, previously published as PCT/US2021/025150, filed on Mar. 31, 2021.
Claims priority of provisional application 63/003,246, filed on Mar. 31, 2020.
Prior Publication US 2024/0301775 A1, Sep. 12, 2024
Int. Cl. F04B 17/03 (2006.01); E21B 43/12 (2006.01); F04B 47/06 (2006.01); F04D 13/08 (2006.01); F04D 29/10 (2006.01)
CPC E21B 43/128 (2013.01) [F04B 17/03 (2013.01); F04B 47/06 (2013.01); F04D 13/08 (2013.01); F04D 29/106 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A body for a protector of an electric submersible pump, the body configured to be positioned axially between two consecutive positive-sealing chambers of the protector, the body at least partially defining a first fluidly isolated hydraulic circuit and a second fluidly isolated hydraulic circuit, and the body comprising a shaft seal, wherein the body is further configured to couple the two consecutive positive-sealing chambers in parallel.