Using-Hybrid-Propulsion-Autonomous-Marine-Vehicles-to-Better-Characterize-Geomagnetic-Fields-Offshore PDF 2

We present a study conducted to develop and validate new capabilities for offshore geomagnetic surveying that employs the autonomous marine vehicle (AMV) to map the crustal<br>magnetic field and monitor disturbance fields surrounding offshore drill sites. Knowledge of geomagnetic field direction and strength in the wellbore are essential parameters needed<br>for directional drilling. To compute wellbore azimuth, the directional driller compares the magnetic field measurement provided by the measurement-while-drilling (MWD) tool with<br>the geomagnetic field reference data to position the wellbore in re

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Using-Hybrid-Propulsion-Autonomous-Marine-Vehicles-to-Better-Characterize-Geomagnetic-Fields-Offshore PDF 2

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