DiSPY-ExpertA mathematical model-based system for online monitoring of the pipeline operation state.

 

The main functions:


* Pressure and Flow distribution calculation in the pipeline basing on the hydrodynamical mathematical model

 

 

Comparison of the calculations with experimental data of the transient process


Figure 1: Comparison of the calculations with experimental data of the transient process

 

 

* Visualization of the actual head line based on the actual pressure data and the model head line based on calculated values of pressure;

 

 

Start

 

Figure 2: The main diagram of the head lines during the launch of the pipeline

 

* Online control of the conformity between the calculated and actual pressures under steady-state and transient regimes;

 

 

 

* Auto diagnosis of the probable reasons of the deviations between the actual head line and the calculated head line;

 

 

 

* Calculation of the transport of the oil batches with different density and viscosity in the pipeline;

 

 

 

Calculated viscosity distribution along the pipeline


Figure 3: Calculated viscosity distribution along the pipeline

 

* Calculation of the motion of the diagnostic tools and pigs in the pipeline and prediction of the arrival time at the receiver;

 

 

Pigs running

 

Figure 4: Table containing various pigs information (calculated location in the pipeline, approximate arrival time at the receiver, etc.)

 

* Prediction of the time of tank emptying/filling operation;

 

 

 

* Auto identification of actual pump characteristics;

 

 

Auto identification of actual pump characteristics

 

Figure 5: The main diagram of the information about identification of the actual pump characteristics

 

* Auto identification of the equivalent main pipeline diameter;

 

 

Auto identification of the equivalent main pipeline diameter


Figure 6: The main diagram of the information about identification of the equivalent main pipeline diameter

 

* Indication of the beginning and the end of steady-state pipeline regime;

 

* The system controls serviceability of the measuring apparatus (pressure/flow sensors, etc.);

 

 

* Pipeline parameters archive database maintenance with playback function;

 

 

* Pipeline events archive database maintenance.

 

Example of program interface:

 

Example of program interface

 

Example of program interface

 

Example of program interface

 

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