P-Cable高分辨率三维地震采集系统的技术分析  

Technical Analysis of the P-Cable High Resolution 3D Marine Acquisition System

作　　者：周大森 曾宪军[1,2] 杨册 翟继锋[1,2] ZHOU Dasen;ZENG Xianjun;YANG Ce;ZHAI Jifeng(Key Laboratory of Marine Mineral Resources,Ministry of Natural Resources,Guangzhou 510075,China;Guangzhou Marine Geological Survey,Guangzhou 510075,China)

机构地区：[1]自然资源部海底矿产资源重点实验室,广东广州510075 [2]广州海洋地质调查局,广东广州510075

出　　处：《海洋技术学报》2022年第2期51-60,共10页Journal of Ocean Technology

基　　金：国家重点研发计划资助项目(2018YFE0208200)。

摘　　要：P-Cable高分辨率三维地震采集系统采用了密集的短电缆阵列,是海洋地震数据采集和研究领域的一项创新性技术。与传统的地震勘探和现场勘测技术相比,它具有简单、高效和经济的特点。与常规地震数据相比,它应用超短排列、小道间距、窄缆间距的采集方式实现了超小面元的地震勘探,能获得具有更高的水平分辨率和垂直分辨率的超高分辨率三维地震数据。P-Cable高分辨率地震采集系统已经成功应用于浅层天然气水合物勘探、场地特征描述和地质灾害评估等领域。本文根据实例分析了P-Cable三维地震勘探系统在浅层地质灾害识别、冰山犁痕成像研究、浅层天然气水合物的运移与识别的应用和研究,并阐述了该系统在国内将具有的良好应用前景。P-Cable high resolution 3D seismic acquisition system,which uses dense short Cable array,is an innovative technology in the field of Marine seismic data acquisition and research.Compared with traditional seismic exploration and field survey,it is simple,efficient and economical.Compared with the conventional seismic data,the ultra-small surface element seismic exploration is realized by using the acquisition method of ultra-short array,path spacing and narrow cable spacing,and the ultra-high resolution 3D seismic data with higher horizontal resolution and vertical resolution can be obtained.P-Cable high-resolution seismic acquisition system has been successfully applied in shallow gas hydrate exploration,site characterization and geological hazard assessment.This paper analyzes the application and research of P-Cable 3D seismic exploration system in shallow geological disaster identification,iceberg plough mark imaging,shallow gas hydrate migration and recognition,and expounds the good application prospect of this system in China.

关 键 词：高分辨率 P-Cable系统 浅层地质灾害 冰山犁痕成像 浅层天然气水合物 

分 类 号：P631.4[天文地球—地质矿产勘探]