| 摘要 |
<p>Disclosed are methods and systems for marine surveying that use electrically powered seismic sources that are distributed at spaced apart locations. In one example, a marine seismic survey system (2) comprises: a survey vessel (4); a plurality of seismic sources (10) configured to be towed by the survey vessel (4), wherein the seismic sources are electrically powered and are distributed behind the survey vessel at spaced apart locations with a spacing of about 50 meters or more; and a plurality of sensor streamers (12) configured to be towed.
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