An individual cable powers each ESP and either the upper or lower ESP system can be selectively operated without any well intervention required.
When failure of the first operating ESP eventually occurs, the other ESP is then activated to provide extended operating time between workovers.
This system is best applied in high workover cost environments such as offshore and remote locations where rig access to well for workover may not be immediate (notably subsea applications).
The dual ESP redundancy system radically improves well profitability by lowering workover costs and by cutting deferment. Initial installation time is minimised and all systems are worldwide field-proven for ultimate reliability.
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