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本文认为利用VSP方法在多口井中及井区地面同时进行三分量观测,有可能形成一种立体地震勘探方法,用于解决油气田开发与开采阶段的许多地质问题。文中详细地介绍了这种立体地震勘探方法的基本原理、观测系统及资料处理和解释方法。利用这种方法可以提供速度、杨氏模量、泊松比、拉梅常数、应力及反射系数和吸收系数等信息;在分析地震波场的运动学和动力学参数及其相互关系随时间变化的基础上,可对有关油田开发过程中许多问题作出预测,以便实时调整油气田的开采方案。
In this paper, it is considered that using the VSP method to simultaneously perform three-component observation in multiple wells and on the ground in the well area, it is possible to form a three-dimensional seismic exploration method for solving many geological problems during the development and exploitation of oil and gas fields. The paper introduces in detail the basic principles, observation system, data processing and interpretation methods of this kind of 3D seismic exploration method. The velocity, Young’s modulus, Poisson’s ratio, Lame’s constant, stress, reflection coefficient and absorption coefficient can be provided by this method. After analyzing the kinematic and kinetic parameters of the seismic wave field and their correlation with time Based on this, many problems related to oilfield development can be predicted in order to adjust real-time oil and gas field exploration programs.