Multi-Instrument Integration for Natural Seafloor Seeps Survey
OCEANS 2023 - MTS/IEEE U.S. Gulf Coast(2023)
Abstract
A newly developed instrument package deployable on underwater vehicles for detection, localization, and identification of natural seafloor seeps of oil/gas is described. Equipped with two multibeam forward looking sonars operating at different frequencies, two lasers, an attitude and heading reference system, and a conductivity, temperature, depth plus sound speed measurement system, this instrument package can detect active natural seeps of oil/gas seeps at a proven range of over 200 m. It also allows the operator to efficiently transition from detection with sonars to monitoring with HD video cameras within a few minutes. Two sets of this instrument package were successfully deployed on two work-class remotely operated vehicles for oil/gas seep surveys conducted in the Gulf of Mexico in March 2022.
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Key words
Sonar imaging of the water column,200° multibeam forward looking sonar,high-frequency multibeam sonar,natural seafloor seeps,gas bubble,oil droplet
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