Method for offset timing of simultaneous seismic source firing

摘要

A technique enables measuring of the actual firing sequence times in a seismic survey application. The actual firing sequence times are then employed in simultaneous source resolution methods. For example, simultaneous seismic sources may be deployed in a survey region. The seismic sources are then fired, and the actual firing times are determined and recorded for use in optimizing the seismic survey.

主权项

1. A method of performing a seismic survey operation, comprising:
employing seismic sources in a survey region; establishing source firing offsets; firing the seismic sources according to the source firing offsets; determining the actual firing sequence times of the seismic sources by collecting timing data from a plurality of individual data acquisition modules via a timing relay and pulse box having timing counters; storing the actual firing sequence times to supplement a seismic record; and employing the actual firing sequence times in a simultaneous source resolution regime to optimize a seismic survey operation.