Measurement of helium porosity and pulse decay permeability of shale.
全国天然气标准化技术委员会(SAC/TC 244)
本标准规定了页岩氦气法孔隙度和脉冲衰减法渗透率的测试方法。本标准适用于页岩氦气法孔隙度和脉冲衰减法渗透率的测试，同时也适用于其他致密岩石氦气法孔隙度和脉冲衰减法渗透率的测试。本标准氦气法孔隙度测试范围：1.0%～10.0%，脉冲衰减法渗透率测试范围为1.0×10-5mD～1.0×10-1mD1）。
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