中国石油勘探 ›› 2016, Vol. 21 ›› Issue (2): 84-91.

• 工程技术 • 上一篇    下一篇

声学定位网络在海上拖缆三维地震勘探的应用

邓元军1,乔秀海2,李 江3,王 哲1   

  1. 1 中海油能源发展股份有限公司工程技术分公司
    2 中海油田服务股份有限公司
    3 中海石油(中国)有限公司天津分公司
  • 出版日期:2016-03-16 发布日期:2016-03-16

Application of acoustic positioning network in 3D seismic exploration of offshore streamer

Deng Yuanjun1,Qiao Xiuhai2,Li Jiang3,Wang Zhe1   

  1. 1 Pipeline Engineering & Construction Company, CNOOC Energy Technology & Services Limited
    2 China Oilfield Services Limited
    3 CNOOC (China) Tianjin Branch
  • Online:2016-03-16 Published:2016-03-16

摘要: 应用表明,声学定位网络在海上拖缆三维地震勘探中会受到环境、设备、处理方法、人为因素等影响而降低声学定位精度,降低地震采集资料的质量。通过对多个海上地震采集工区的声学定位网络进行研究和分析,提出了优化和改进声学节点间距设置、门限选择、插值处理、网络平差的方法,实践证明,这些方法能够减少外界对声学定位网络的影响,提高拖缆声学定位网络定位精度,获得更高品质的地震资料。

关键词: 海上, 拖缆, 三维地震, 声学定位网络, 影响, 分析

Abstract: Application shows that the acoustic positioning network is affected by environment, professional equipment, processing methods and artificial factors when it is used for 3D seismic exploration of offshore streamer. In such case, the accuracy of acoustic positioning is reduced, and thereby the quality of seismic data is spoilt. In this paper, some methods for optimizing and improving the acoustical node spacing arrangement, threshold selection, interpolation processing and network adjustment were proposed after the acoustic positioning networks in several offshore seismic areas were investigated. Practice has proved that these methods can reduce the outside effect on acoustic positioning networks, improve the positioning accuracy of streamer acoustic positioning networks and provide high-quality seismic data.

Key words: offshore, streamer, 3D seismic, acoustic positioning network, effect, analysis