发明申请
US20080285381A1 Methods for Efficiently Acquiring Wide-Azimuth Towed Streamer Seismic Data 有权
有效获取广角方向拖缆数据的方法

  • 专利标题: Methods for Efficiently Acquiring Wide-Azimuth Towed Streamer Seismic Data
  • 专利标题(中): 有效获取广角方向拖缆数据的方法
  • 申请号: US12121324
    申请日: 2008-05-15
  • 公开(公告)号: US20080285381A1
    公开(公告)日: 2008-11-20
  • 发明人: Nicolae MoldoveanuSteven Fealy
  • 申请人: Nicolae MoldoveanuSteven Fealy
  • 主分类号: G01V1/38
  • IPC分类号: G01V1/38
Methods for Efficiently Acquiring Wide-Azimuth Towed Streamer Seismic Data
摘要:
A technique for use in marine seismic surveying includes a method and an apparatus. In one aspect, the method includes towing a seismic spread including a source multiple streamers on a generally curved advancing path, the streamers being actively steered. The source is fired and data is acquired on the curve. In other aspects, the method is performed with only a single vessel or the generally curved advancing path is a sincurve advancing path. The method may include a dual circular shoot in another aspect. And, in yet another aspect, the invention includes an apparatus comprised of a computing apparatus on board a tow vessel receiving positioning data from the marine seismic streamers. It is also programmed to: sail the tow vessel in a generally curved advancing path and actively steer the marine seismic streamers through the generally curved advancing path.
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