Aviarobots provides round-the-clock oil-and-gas infrastructure patrols with video-recording, photographic, and heat-imaging payloads to detect unauthorised activity and illegal cut-ins (including underground taps), as well as for pipeline health assessment, in support of design and development operations, and also in support of natural and man-made disaster relief efforts.
Daytime and nighttime aerial patrols of the exclusion zone involve visible-spectrum (photographic and video) and thermal imagery. Data may be broadcast in real time to a mobile security point (the broadcasting range depends on the terrain). Any detected transgressions or failures are entered into a geographic information system (GIS), and can be viewed individually on an interactive map.
Oil products are characterised by their high emissivity in the IR band of the spectrum, due to the fact that hydrocarbons absorb sunlight. Oil and gas pipeline leaks produce thermal contrasts ranging between 2 and 2.5 degrees K. These are clearly visible in infrared (10 to 12 mkm) images with a sensitivity of around 0.2 degrees K. For oil spills into water, the thermal contrast along the oil stain perimeter may reach 1.5 degrees K. This contrast is negative during the nighttime, because oil is colder than water, and positive during the day, because the oil film absorbs solar radiation better and grows warmer than the water surface.
Orthophotographic plan and textured 3D models
An orthophotographic area map with a resolution of 5 cm and an accuracy of 15 cm in terms of standard deviation is intended for updating, complementing or replacing existing maps.
The map can be used for comparing the actual location of objects with the cadastral plan (taking inventory of objects and detecting intrusions into the exclusion zone).
The customer's infrastructure can be estimated, and its condition assessed, based on photorealistic 3D models.
Infrastructure facilities can be measured, their volume calculated, and profiles built for them. The resulting 3D models can be exported into CAD systems.
The reverse is also possible: structures or facilities under development can be added to a 3D model of the existing area for visualisation purposes, for supervision of territory development and construction works, or for presentations to investors and to the local population.
Supervision of emergency relief operations
Detection of accidents and emergencies (fires, floods, landslides) along pipeline routes. In case of emergency, UAV-based remote sensing helps collect comprehensive and current spatial information about the incident, mark its location on a map, assess development dynamics, promptly issue instructions to rescue parties, supervise the progress of each party, and perform predictive analysis.
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