Fine filtration inlet modules to electric submersible centrifugal pumps (ESPs) for oil production, designed to prevent mechanical impurities with a cross-sectional area of particles larger than 0.1mm, 0.2mm or 0.30mm (depending on the type of filter element) contained in formation fluid from entering the working bodies of pumping sections.
Characteristics of formation fluid.
- formation fluid is a mixture of oil, associated water, mineral impurities and oil gas;
- maximum density of the fluid is 1400 kg/m3;
- hydrogen index of associated water - pH 5.0 8.5 (short-term increase of pH up to 0 is allowed); - hydrogen indicator of associated water
increase of pH to 0);
- maximum content of associated water - 100%;
- maximum kinematic viscosity of single-phase liquid - 1 mm 2/s;
- amount of aggressive components - H2S - 1.25 g/l, CO2 - 1.15 g/l, Cl - 20 g/l,
HCO3 - 1g/l, Ca+2 -2 g/l;
- maximum mass concentration of suspended solids...
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