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东海低渗储层测井解释技术研究

Technology Research of Low Permeability Reservoir Well Logging Interpretation of the East China Sea
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摘要 精确解释低渗储层物性下限以及油气水层识别对东海深层天然气勘探开发具有重要意义。根据声波、密度、中子三孔隙度测井曲线结合电阻率、阵列声波等识别低渗储层流体类型,划分了储层物性下限。本研究将低渗储层的物性下限进行了下调,将孔隙度下限定为9.5%,渗透率定为0.3m D,建立了低渗气层的识别标准。同时增加了天然气可动地质储量,为东海深部低渗气藏的勘探开发提供了技术参考。 Accurate interpretation of reservoir petrophysical lower an d oil gas water identification has important significance for the exploration and exploitation of the East China Sea deep natural gas and low permeability. The low permeability reservoir fluid type can be identified according to the acoustic wave, density, neutron porosity logging curve combined with the reservoir fluid type resistivity. The reservoir petrophysical lower limit is divided. This study lowers the petrophysical lower of the low permeability reservoir, which is limited to 9.5%, permeability is 0.3mD. The identification standard of low permeability gas reservoir is established. At the same time, the movable geological reserves of natural gas is increased, which provides technical reference for the exploration and development of gas reservoir in the East China Sea deep low permeability.
出处 《价值工程》 2015年第17期74-76,共3页 Value Engineering
关键词 低渗气藏 纵横波速度比 三孔隙度测井 物性下限 low permeability gas reservoir P-S wave velocity ratio tree porosity log lower limits of physical properties
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