InSAR Deformation

Satellite InSAR detects millimeter-level ground shifts at energy facilities, enabling subsidence and uplift tracking to safeguard infrastructure and optimize operations.

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How does it work?

Ground deformation at energy sites, such as oilfields and pipeline corridors, can indicate subsidence or heave that risks asset integrity. InSAR delivers millimeter-scale, wide-area deformation measurements over time, enabling early anomaly detection and targeted mitigation.

Millimeter Precision: InSAR measures vertical and horizontal ground movements at mm-level accuracy. This precision reveals subtle deformation patterns before they impact infrastructure.
Wide-area Coverage: Satellite constellations capture deformation across hundreds of square kilometers in a single acquisition. This eliminates gaps common in ground-based sensors and supports regional risk assessment.
Frequent Revisit: Modern SAR satellites revisit sites every few days, providing up-to-date deformation trends. Frequent data allows operators to track transient events like fluid injection responses in near real-time.
Cost-effective: Compared to installing and maintaining in-situ sensors, InSAR reduces field deployment costs and manpower. It scales easily from single facilities to thousands of square kilometers without additional hardware on the ground.
Early Risk Detection: By highlighting anomalous deformation hotspots, InSAR enables proactive maintenance planning and failure prevention. Early warnings reduce downtime and avoid costly emergency repairs.
Seamless Integration: Deformation maps integrate with GIS, SCADA, and digital twin platforms for unified operational insights. Automated alerts and customized dashboards enable rapid decision making.

Frequently asked questions

Have a different question and can’t find the answer you’re looking for? Reach out to our support team by sending us an email and we’ll get back to you as soon as we can.

How does InSAR compare to GPS sensors?: InSAR provides spatially continuous deformation maps over large areas, while GPS offers point measurements at specific stations. InSAR complements GPS by filling spatial gaps and reducing the need for extensive ground instrumentation.
Why is InSAR popular for energy operators?: Energy operators value InSAR for its ability to monitor vast infrastructure networks without on-site equipment. Its combination of precision, coverage, and revisit frequency supports proactive maintenance and regulatory reporting.
What limitations should I consider with InSAR?: InSAR performance can be affected by dense vegetation, heavy snow, or water bodies that decorrelate radar signals. Atmospheric phase delays and steep terrain may introduce noise, requiring processing corrections and validation with ground data.
Are there alternatives to InSAR for ground deformation monitoring?: Alternatives include borehole extensometers, leveling surveys, and continuous GPS networks, which provide accurate point data but lack wide-area coverage. While LiDAR surveys can capture deformation, they are typically more expensive and less frequent than satellite-based InSAR.
How frequently can InSAR surveys monitor sites?: Modern SAR constellations deliver revisit intervals from 1 to 12 days, depending on satellite availability and orbit. Custom tasking can increase frequency, but users should balance cost and temporal resolution needs.
Can InSAR detect both subsidence and uplift?: InSAR can detect both subsidence and uplift by measuring phase differences over time, regardless of deformation direction. Processing algorithms distinguish positive and negative motion, enabling comprehensive deformation analysis.

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