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Oil quantity and quality measurement system (SIKN)

Oil quantity and quality measurement system (SIKN)

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Oil quantity and quality measurement systems (SIKN) are designed for automatic on-line measurement of oil mass (volume); determination of its quality characteristics (density, moisture content, pressure, temperature); oil sampling in accordance with GOST 2517; calibration of flow converter on site without disturbing the oil pipeline regime; metrological characteristics control of measuring instruments; data transfer to the operator's workstation.


The flow meters are a part of oil treatment plants, preliminary water gathering stations and other above-ground facilities. 

Oil measuring devices ensure: 

  • uniform distribution of flows through the measuring lines; 
  • flow regulation through measuring lines and through a verification unit during verification and metrological control of measuring instruments; 
  • oil sampling to the quality control unit; 
  • inspection of shut-off valves tightness affecting the results of measurements and verifications; 
  • control of shut-off valves tightness in drainage pipelines; 
  • drainage of equipment, process pipelines; 
  • possibility of pipeline cleaning, flushing or steaming; 
  • possibility of connecting the verification equipment;
  • removal of measuring transducers and process equipment without disturbing the continuity of the measurement process.

The SIKN includes the following equipment: 

  • BF - filter unit;
  • BIL - block of measuring lines (working, reserve and control-reserve)
  • BIC - quality control unit (may be performed by pump or non-pump scheme);
  • PZU - sampling device;
  • Drainage system from the pipelines;
  • Measuring and control devices.
It may also include:

  • PU - Calibration Unit;
  • Pressure control unit;
  • Flow rate control unit through the PU;
  • Connection of mobile PU.
The boxes are equipped with heating, ventilation, gas control and fire alarm sensors. 

Upon customer's request SIKN can be equipped with a specialized data processing unit for primary converters of flow rate, humidity, temperature and pressure. 
          
SIKN are developed and produced in accordance with TU 28.99.39-019-20676863-2018

Example of notation when ordering products: 
SIKN-0,25-4,0-1 (2)-Ó1(ХЛ1), where:
      0,25 - flow capacity, t/h;
     4,0 - nominal pressure, MPa;
     1(2) - version (1-open placement on the frame-base, 2- in block-boxes);
     У1 (ХЛ1) - climatic version in accordance with standard GOST 15150.     

SIKN technical specifications

Designation

Dimensions

SIKN – 0,10 SIKN – 0,25 SIKN – 0,50 SIKN - 100 SIKN - 200 SIKN - 300 SIKN - 400
Flow rate, kg/hour:
Nominal range
Maximum flow rate 		      Up to 82
  108 		      Up to 1090
  2180 		      Up to 3400
  6800 		      Up to 13600
  27200 		      Up to 43550
  87100 		      Up to 136080
  272160 		      Up to 409000
  545500
Nominal pressure, MPa

1,6, 2,5, 4,0, 6,3

Ambient temperature, оC

+5-+50

Media viscosity, cSt max.

300
Density, kg/m3

1100

Water content, % max.

90

Operating medium

oil, oil emulsion

Operating mode

permanent
Limits of the relative permissible measurement accuracy:        
Crude oil masses              ± 2,5% 
Crude oil masses excluding water, with the water content of the crude oil in volume fractions:       up to 70% - ±6%; 
 from 70% up to 95% - ± 15%
Service life, years 15

 

 

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