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METHODS OF THREE-DIMENSIONAL POTENTIAL FIELD MODELING AND INVERSION FOR LAYERED EARTH MODELS

机译:层状地球模型的三维势场建模与反演方法

摘要

A method for 3D modeling and inversion of potential field geophysical survey data measured above a geological formation having density and/or magnetization and/or susceptibility is described, using potential field data including but not limited to gravity and/or magnetic scalar and/or vector and/or tensor data. The 3D earth model is parameterized in terms of spatially variable contrast surfaces between different geological formations which are characterized by physical properties such as density and/or magnetization and/or susceptibility values and/or functions. The properties of the 3D earth model may be constrained from a priori information. The potential field responses and/or Frechet derivatives (sensitivities) of the spatially variable contrast surfaces between different geological formations and/or physical properties are analytically evaluated using Cauchy-type integral representations of the potential fields for each of the contrast surfaces.
机译:描述了一种用于3D建模和对在具有密度和/或磁化和/或磁化率的地质构造之上测得的势场地球物理勘测数据进行反演的方法,其中使用了势场数据,包括但不限于重力和/或磁标量和/或矢量和/或张量数据。根据不同地质构造之间的空间可变对比表面来对3D地球模型进行参数化,这些地质特征的特征在于诸如密度和/或磁化强度和/或磁化率值和/或功能的物理特性。 3D地球模型的属性可以从先验信息中约束。使用每个对比面的势场的柯西式积分表示,分析评估不同地质构造和/或物理特性之间空间可变的对比面的势场响应和/或弗雷谢特导数(灵敏度)。

著录项

  • 公开/公告号US2014129194A1

    专利类型

  • 公开/公告日2014-05-08

    原文格式PDF

  • 申请/专利权人 TECHNOIMAGING LLC.;

    申请/专利号US201314071326

  • 发明设计人 MICHAEL S. ZHDANOV;

    申请日2013-11-04

  • 分类号G01V99/00;

  • 国家 US

  • 入库时间 2022-08-21 16:03:44

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