Infrastructure assessment
Evaluate instrumentation, SCADA or control systems, measurement confidence, and likely response speed based on system lag.
Pipeline leak detection
Detection built around the pipeline you already operate.
Line Sentinel is a software-based material balance system designed to detect and locate leaks while integrating with existing SCADA and measurement infrastructure.
Internal PLDSMaterial balance approach
Integrated or standaloneLinux-based formats
Single-phase serviceGas and liquid pipelines
01 / Approach
Engineering before deployment
Fit the leak detection method to the operating reality.
Line Sentinel staff can assess existing instrumentation and SCADA or control systems, expected response time, applicable requirements, and whether an internal or external system is appropriate.
Use existing infrastructure
The system connects through the existing network and can integrate with an existing SCADA system without extra field instrumentation.
Evaluate confidence
Expected performance depends on installed measurement accuracy and overall system lag; those conditions should be examined before application.
Support operations
Services can include operator training, simulation-test data analysis, and recommendations as pipeline operations change.
How it works
A pipeline model assembled between pressure measurement points.
The system mathematically separates the pipeline into slices and applies an electrical transmission-line model to calculate fluid properties within each slice.
Series resistance
Depends on the pipeline friction factor and is proportional to flow rate.
Series inductance
Represents the inertia of the fluid mass within the pipeline slice.
Parallel capacitance
Stores the pressure-induced fluid linepack—the amount of product in the pipeline at standard conditions.
02 / Services
Pipeline operating support
From system selection through ongoing analysis.
PLDS application
Assess external and internal approaches, review applicable regulations, and determine whether a proposed selection can meet them.
Deployment support
Assist with instrument and control selection, work with the operator’s preferred engineering consultant, and provide PLDS-specific project management.
After installation
Provide operator training, data-analysis support, and recommendations for upgrades or lateral changes as pipeline operations evolve.
Field experience
LineGuard development began in the early 1990s.
First installed in 1994.
More than 40 installations across North America, serving crude oil, refined products, seawater, and gas pipelines.
03 / Technical FAQ
Key questions
Application and performance.
What types of pipeline can the system serve?
Line Sentinel serves single-phase gas and liquid pipelines, including natural gas, NGLs, diesel, crude oil, jet fuel, other petrochemical hydrocarbons, and seawater.
Can the system locate leaks?
Yes. The system has demonstrated leak location within 5% of meter spacing or 1 km, whichever is greater. In one application, an actual leak was located within 100 m.
How small a leak can it detect?
Physical fluid-withdrawal tests have detected leaks as small as 1–2% of pipeline flow rate. Detection performance depends on metering accuracy, instrumentation, and operating conditions.
Can it handle batched lines?
The system can track a batch when it knows the product and the time it entered the pipeline.
How is the system deployed?
A standalone Linux-based system can connect to the existing SCADA network, or a virtual Linux-based system can run on a VMM server.
Contact Line Sentinel
Start with the pipeline, its instrumentation, and the operating case.
#107, 9440 – 49 Street NW
Edmonton, Alberta T6B 2M9
Canada
+1 780 695 4726