The electric decoder of vibrator is the core equipment for collecting seismic exploration data,and is the neces-sary facility for vibrator to conduct complete vibration and collect data.In the process of seismic data acquisition,the e-lectric control system not only ensures accurate control of vibroseis vibration according to the construction requirements provided by oil company,but also undertakes the data transmission with vibroseis navigation and seismic data acquisition instrument.However in the actual production,the failure of the electric decoder or the electric control equipment will oc-cur,resulting in the failure of the production.In this paper,some faults occurred in the use of FORCE-Ⅲ decoderand in the construction of the collection instrument are analyzed briefly,and solutions are proposed.At the same time,it can quickly troubleshoot and prevent faults,reduce equipment damage.
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