Measurement & Reconciliation

Meters are a critical part of any industrial operation

It can be a flow computer, temperature, or pressure meter with different technologies like Ultrasonic, Piezoelectric or Turbine. Regular flow of data from the metering assets allows operations team to take corrective actions and prevent faults and unplanned shutdowns. Metering data system provides necessary tools to capture & monitor meter data and take actions based on prediction and prescription models.
Metering & Product Reconciliation is one of the most critical aspects of Oil & Gas industry. It impacts the overall revenue generated by sales of liquid and gaseous products. A robust product reconciliation system provides error detection and elimination methods with autocorrection. This allows the operators to have better reliance on meter data with granular detection of transport errors.

Al powered software system for reducing losses and improving operational efficiency of Gas Pipeline networks through reconciliation & loss measurement

Solution

  • Gas Reconciliation
  • Loss Measurement
  • Identify the key issues in network

Architecture

  • SCADA Tags (Pressure, Flow, Temperature, Composition/ Density)
  • Data Historian
  • Gas Calculations (Inventory & Transport)
  • Instrumentation data

Process

  • Data Integration
  • Performance Digital Twin
  • Al models estimation & forecasting
  • Anomaly detection
  • Decision Dashboard & Reporting

Benefits

  • Increase revenue - 0.5% to 4%
  • Reduce Repair & Maintenance cost
  • Increase uptime
  • GHG emission reduction

Importance of Measurement & Reconciliation

Energy is the most important driver of sustainable growth of our country. Gas distribution is at the peak as being the most sustainable clean energy driver for continual sustainable growth.

In natural gas pipeline systems, all product transactions are based on flow rate measurements. Thus, it is essential to have good estimates of these variables. Currently, these variables are estimated using data reconciliation based exclusively on material balances. The composition and physicochemical parameters of natural gas can vary in space and time depending upon the gas source and blending. The key parameters of natural gas are important to know for transportation and efficient consumption. Thus, a natural gas quality measurement is required for technical and economic reasons. The data reconciliation technique has the objective Of using measurement redundancies to obtain the best estimate of the conventional true value and, consequently, to minimize its uncertainty.

Historian (Time Series DB)

Network Designer & Admin

Anomaly Detection

Reconciliation - Volume, Energy, MASS (Measured)

Reconciliation - Volume, Energy
MASS (Predicted)

Calculation Libraries (AGA, ISO, IEC)

GHG Emission Monitoring & Reporting

Material Balancing

  • Mass Balancing
  • Energy Balancing
  • AGA, ISO standards
  • Balancing Report
  • Tracking Gain / Loss

Gross Error Detection

  • Meter Gross Errors
  • Remove Error Bias
  • Reduce Performance Degradation
  • Recalibration Advice
  • Single / Multi Gross Error Detection

Virtual Metering

  • Add virtual meter in the network
  • Simulated data like flow, pressure
  • Correlation with actual field meters

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