石油物探2018，Vol.57Issue(1)：28-32,5.DOI:10.3969/j.issn.1000-1441.2018.01.003
可控震源分频同时扫描采集方法实现与应用
Implementation and application of vibroseis acquisition using frequency-separated simultaneous sweep technology
摘要
Abstract
It is challenging to improve the production efficiency of vibroseis in seismic exploration,for example,slip-sweep data is seriously affected by harmonics,multi-vibroseis simultaneous sweep data may be influenced by strong neighboring shots,and dis-tance-separated simultaneous sweeps need large amounts of equipment.This paper applies frequency separated simultaneous sweep (FS3)technology,which divides a sweep signal into a few segments,with the sub-sweep signal consisting of part of the sweep fre-quency band.Thus,several vibrators can independently and simultaneously work with different sub-sweeps,and neighboring-shot interferences will be eliminated or kept at a minimum.This technology can increase production efficiency,enhance the energy of specific frequency bands such as low frequencies,and balance the energy for the seismic frequency band in records.Harmonics and crosstalk created by other high-efficiency vibroseis technologies such as nonlinear sweep can also be eliminated.The technology could help obtain high-quality vibroseis data.关键词
分频同时扫描/扫描信号/编码/邻炮干扰/谐波干扰/高效采集Key words
frequency separated simultaneous sweep (FS3 )technology/sweep signal/encode/neighboring-shot interference/har-monics wave noise/high-production seismic acquisition分类
天文与地球科学引用本文复制引用
骆飞,石双虎,邓志文,贺涌,庄剑,崔毕..可控震源分频同时扫描采集方法实现与应用[J].石油物探,2018,57(1):28-32,5.基金项目
国家科技重大专项深地资源勘查子课题"超深层重磁电震配套技术集成及技术经济适用性评价"(2016YFC0601107)资助. This research is financially supported by the sub project of National Science and Technology Major Project deep layer resources exploration and de-velopment (Grant No.2016YFC0601107). （2016YFC0601107）
