南黄海崂山隆起地震采集参数设计
南黄海崂山隆起地震采集参数设计
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Author / Creator
ZHANG, Yibiao , LI, Yujian , CHEN, Jianwen , LI, Bin , LIU Luchen , HUANG, Tao , SHI, Jian and LIU, Jun
Publisher
Beijing: Marine Geology and Quaternary Geology
Journal title
Language
Chinese
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Publication information
Publisher
Beijing: Marine Geology and Quaternary Geology
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Contents
南黄海崂山隆起中-古生界海相碳酸盐岩沉积层是重要的油气勘探目的层,但因工区水深较浅,新生界陆相地层与中生界海相地层之间存在强波阻抗界面,中-古生界碳酸盐岩地层结构较为均匀、速度和密度梯度较小、厚度较大等原因,造成中-古生界地震有效反射波存在能量弱、信噪比低等问题。针对如何增强中-古生界有效反射波能量、提高其信噪比展开采集参数设计。在大量设计方案的基础上,优选出2组强能量、富低频的容量为6390in3的平面组合和立体组合气枪震源;设计接收缆长度7200m,优选接收缆沉放深度16m和20m。对气枪震源和接收缆沉放深度组成的4组试验方案进行外业采集并分析,确定低频能量更强的6390in3平面震源沉放10m、接收缆沉放16m作为地震采集方案,并在空间采样间隔和工区施工环境分析等基础上提出了适合现阶段...
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Full title
南黄海崂山隆起地震采集参数设计
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Record Identifier
TN_cdi_proquest_journals_2770034949
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_journals_2770034949
Other Identifiers
ISSN
0256-1492
DOI
10.16562/j.cnki.0256-1492.2018.03.014