Drone : Unmanned Aerial Systems in the Drilling Industry

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      <subfield code="a">Unmanned Aerial Systems (UAS) or drones are quickly changing the way construction companies do business, and offer solutions to many complex construction and safety challenges.Specialty contractors are increasingly using drone payloads like still/video cameras, LIDAR (Light Detection and Ranging), Laser Scanning, FLIR (Forward Looking Infrared), multi-gas monitors, and other specialized payloads to monitor their construction and industrial activities. While there are several versions of UAS made, the most commonly used drones for construction applications are the vertical takeoff and landing (VTOL) device with four, six, or eight rotary blades. More blades mean more lift, and that lift provides more power for attached payloads. With the VTOL design, UAS can remain in one place for extended periods without the high costs associated with using helicopters and small planes for the same job. However, the battery life of VTOL drones can be a limiting factor with current battery technology permitting average flight times of just 25 to 30 minutes. Fixed-wing drones typically have longer flight times and are very useful for missions like pipeline, power line and other linear survey and inspection applications, but do not have the ability to hover in place like the VTOL UAS, or get close to the target for detailed inspections, and may require some type of launch and recovery system.</subfield>
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