MRP-3CEV-3TMU

This patented remotely controlled completion system used in multi-reservoir production (MRP) includes three packers and an ESP unit for simultaneous production from three reservoirs through a single-tubing string. The system provides parameter measurement and flow control separately for each of the three fluid flows entering the section of an ESP.

Applications:

• For cost reduction in multi-reservoir fields and wells penetrating reservoirs with different properties;
• For solving problems associated with drawdown pressure limits or negative mutual interference between reservoirs;
• For simultaneous production from multiple reservoirs with different physicochemical properties, production fluid characteristics, water cuts, gas-oil ratios, bubble-point pressures and temperatures.

Benefits: 

• The entire system, including controlled electric valves (CEV), is controlled in real time remotely or from Geonik‘s control station;
• Two-way communication to obtain fluid data from the two lower telemetry units (TMU) with Р, Q, C and T gauges and precise opening and closing regulation of electrovalves during operation of an ESP unit from Geonik‘s dedicated telemetry system (TMS) or through power or logging cable by personal request*;
• Two-way communication to obtain fluid data from the upper telemetry unit (TMU) with Р, C and T gauges and precise opening and closing regulation of CEVs during operation of an ESP unit through logging cable;
• Dynamic testing of each reservoir during ESP operation with recording of pressure build-up curves by shutting in one of the reservoirs;
• This three-packer system is run and set in the well in two stages: (1) setting the lower two-packer system and (2) running three CEVs with their TMUs, an ESP unit and a packer for connection to the lower two-packer system;
• Real-time management of each reservoir using downhole gauge and flow-meter data from CEVs and TMUs;
• To change an ESP, the main system including the upper packer is retrieved from the well without the lower two-packer system;
• No additional tubing used for production from multiple-completion wells with hydraulic valves is required due to ease of installation and high performance of the system.