邓智;程礼军;潘林华;贺培;

• 1:重庆地质矿产研究院国土资源部页岩气资源勘查重点实验室

• 2:重庆地质矿产研究院重庆市页岩气资源与勘查工程技术研究中心

• 3:油气资源与探测国家重点实验室重庆页岩气研究中心

摘要(Abstract)：

针对页岩层理发育的特点,根据不同层理倾角条件下的三轴压缩实验和纵横波速度测试,获得层理倾角对页岩破坏形态、强度、弹性模量、泊松比和纵横波速的影响,明确轴向应力与纵横波速度变化关系,建立研究页岩储层的动、静态弹性模量与泊松比的相关因数,分析页岩的力学参数、纵横波速度的变异因数和各向异性因数。结果表明:页岩力学参数及纵横波速度受层理倾角线性变化,轴向应力与纵波速度正相关,动静态弹性模量和泊松比相关因数分别为1.39、1.18,力学参数的变异因数和各向异性因数均值较超声波速度大。该结果可以为页岩气测井解释、钻井设计和水力压裂改造提供基础参数。

关键词(KeyWords)：页岩;层理;三轴压缩实验;力学参数;超声波速度;各向异性因数

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(51304258);; 国家高技术研究发展计划(863计划)项目(2013AA064503)

作者(Author):邓智;程礼军;潘林华;贺培;

Email:

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