Invention Grant
US07830748B2 Method for acoustic imaging of the earth's subsurface using a fixed position sensor array and beam steering 有权
使用固定位置传感器阵列和波束转向的地球地下声学成像方法

  • Patent Title: Method for acoustic imaging of the earth's subsurface using a fixed position sensor array and beam steering
  • Patent Title (中): 使用固定位置传感器阵列和波束转向的地球地下声学成像方法
  • Application No.: US12057414
    Application Date: 2008-03-28
  • Publication No.: US07830748B2
    Publication Date: 2010-11-09
  • Inventor: Jacques Y. GuignéNicholas G. Pace
  • Applicant: Jacques Y. GuignéNicholas G. Pace
  • Applicant Address: CA St. John's, NL
  • Assignee: PanGeo Subsea, Inc.
  • Current Assignee: PanGeo Subsea, Inc.
  • Current Assignee Address: CA St. John's, NL
  • Agent Richard A. Fagin
  • Main IPC: G01V1/28
  • IPC: G01V1/28
Method for acoustic imaging of the earth's subsurface using a fixed position sensor array and beam steering
Abstract:
A method for seismic surveying includes disposing a plurality of seismic sensors in a selected pattern above an area of the Earth's subsurface to be evaluated. A seismic energy source is repeatedly actuated proximate the seismic sensors. Signals generated by the seismic sensors, indexed in time with respect to each actuation of the seismic energy source are recorded. The recorded signals are processed to generate an image corresponding to at least one point in the subsurface. The processing includes stacking recordings from each sensor for a plurality of actuations of the source and beam steering a response of the seismic sensors such that the at least one point is equivalent to a focal point of a response of the plurality of sensors.
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