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Shutting off high-water-cut segments with electrovalves controlled on-line from the office
Minimisation of water production and gas breakthrough
Increased oil production
Left: Control panel; Right: 114-mm valve and control panel
Reliable sealing of the production casing during operations when packers are under high differential pressures;
Easy removal without applying additional tension load;
Expandable Casing design proven by years of successful use
A pipe connector installed for branching, bending, pipe diameter changes and frequent assembly/disassembly of the pipeline. Fittings are also used for sealed cable entry and other purposes.
Each electric valve contains two pressure and temperature sensors
Intelligent completion allowed to determine the high-water-cut of Far Zone and isolated it by Electrovalve. The water rate production significantly dropped down up to 5 times which in a 1.5 times decreased the cost of oil price. The additional oil production has been 6000 tons for 3 years.
Simultaneous production regulation of the three zones extended the oil production up to 2 years. Intelligent Completion system was pulled out the well in working condition after the maximum water-cut rate was reached. Endurance and reliability of smart systems even for downhole extreme conditions allowed to decrease CAPEX of completion of new wells.
The one horizontal injection well with Intelligent Completion replaced the three vertical wells. Intelligent Completion system provided the full functional range of regulation of flow rate for three isolated zones for the Enhanced Oil Recovery operation with waterflooding. The replacement of Three wells to One Smart well decreased the CAPEX up to 1.5 times. Pressure and temperature sensors inserted in each valve allow hydrodynamic studies and reservoir parameters to be determined. Unique PT sensors in production wells monitor the influence of the injection well by pressure filtration waves for waterflooding regimes optimization