Subsea ESPs Restart After Year-Long Shutdown, Saving CNOOC USD 500 Million | SLB
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Subsea ESPs Restart After Year-Long Shutdown, Saving CNOOC USD 500 Million

Published: 04/22/2014

Concrete blue texture
 
Graphic: Field map of subsea wellhead layout. Current production in the field is about 23,000 bbls per day of crude oil.
Field map of subsea wellhead layout. Current production in the field is about 23,000 bbls per day of crude oil.
Location
China, Asia, Offshore
Details
Eastern South China Sea
Liuhua LH 11-1 Field
 
Operator
CNOOC Limited
 
Water Depth
300 m
 
Application
Subsea production
 
Background
LH 11-1 field is considered to be the largest subsea ESP artificial lift operation in the world; 25 of its wells have been operating with Schlumberger ESPs. After topside and subsea infrastructures were severely damaged by typhoon Chan Chu, all ESP wells were restarted. Today, ESPs in the field have achieved up to 10 years of run life.
Products Used
Subsea Lift
Subsea artificial lift systems

Harness reliable ESP technologies for subsea, deepwater, and ultradeepwater systems.
Phoenix xt150
Standard ESP monitoring system

Optimize system performance with real-time monitoring and measurements.
REDA Maximus
ESP motor

Increase production with our standard ESP motor designed for conventional, unconventional, and shallow well conditions.
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