【摘 要】
：
本文通过分析现有岩石物理建模方法的不足,提出相容性岩石物理建模方法.相容性岩石物理建模是一种基于岩石物理模型的测井曲线反演横波预测方法.该方法以岩石物理模型为基础,
【机 构】
：
中国石油化工股份有限公司石油勘探开发研究院,中国石化多波地震技术重点实验室
【出 处】
：
中国石化多波地震技术重点实验室第二次学术交流会
论文部分内容阅读
本文通过分析现有岩石物理建模方法的不足,提出相容性岩石物理建模方法.相容性岩石物理建模是一种基于岩石物理模型的测井曲线反演横波预测方法.该方法以岩石物理模型为基础,以测井纵波速度(如有横波速度则包括横波速度)和密度为约束条件,以常规测井计算得到的泥质含量、孔隙度和饱和度为初始模型,反演泥质含量、孔隙度和饱和度.在此基础上再进行岩石物理建模,实现流体替换和横波预测.在对实际区域测井及地震数据进行充分分析后，当测井得到的弹性数据可靠性较高时，可以利用相容性岩石物理建模。利用该方法反演得到的泥质含量、孔隙度、饱和度，与计算或实测的纵波和横波速度及密度互相关联，反应了岩石内部各属性的统一性。这有利于提高井震相关性;有利于提高地震正、反演模拟和岩性及流体预测精度;有利于分析纵波和横波速度与地震波频散及能量衰减关系。
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