MRI – DFT -1

This patented completion system includes two packers used for simultaneous-separate withdrawal of formation water from the lower reservoir and injection into the upper reservoir of one well using ESP. The reservoirs are isolated by two mechanical packers with a cable inlet, that ensures the connection of the logging cable of electric submersible motor (ESM) and downhole fluid transfer (DFT) between the reservoirs.

Applications:

• For cost reduction in multi-reservoir fields and waterflood injection wells penetrating reservoirs with different properties;
• To use currently inactive wells and reservoirs for reservoir pressure maintenance;
• Organization of reservoir pressure maintenance at remote fields;
• Location of waterflood injection wells in areas with difficult terrain;
• Absence of water treatment points for reservoir pressure maintenance in the very area.

Benefits:

• Ability to control flow rates of injected liquids;
• No additional equipment for well operation is required due to ease of installation and high performance of the system;
• Creation of pressure maintenance system without installation of high-pressure water pipelines and construction of pumping stations;
• The system is run and set in the well in one stage.