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首页> 外文期刊>Fuel >Determination of elastic properties of tight rocks from ultrasonic measurements: Examples from the Montney Formation (Alberta, Canada)
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Determination of elastic properties of tight rocks from ultrasonic measurements: Examples from the Montney Formation (Alberta, Canada)

机译：通过超声测量确定致密岩石的弹性性质：蒙特尼地层的例子（加拿大艾伯塔省）

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摘要

Laboratory-based measurements of acoustic wave propagation through porous media are important for many aspects of reservoir characterization. These measurements may be used to estimate sonic velocities, elastic anisotropy and dynamic rock mechanical properties, which in turn can be used in the calibration of sonic logs and to inform 3D/4D seismic and microseismic interpretations. In the current work, ultrasonic experiments were performed on Montney Formation (tight siltstone reservoir; Alberta, Canada) core plug samples under the same triaxial pressure conditions as used for permeability measurements. Unique to this study, the effect of propped/unpropped fractures on elastic properties as a function of effective pressure was determined, allowing for a comparison of the same properties for intact samples.
机译：基于实验室的声波通过多孔介质传播的测量对于储层表征的许多方面都很重要。这些测量结果可用于估算声速，弹性各向异性和动态岩石力学性能，进而可用于声波测井的校准并为3D / 4D地震和微地震解释提供依据。在当前的工作中，在与渗透率测量相同的三轴压力条件下，对蒙尼岩层（致密粉砂岩储层；加拿大艾伯塔省）进行了超声波实验。这项研究的独特之处在于，确定了支撑裂缝/未支撑裂缝对弹性性能的影响（作为有效压力的函数），从而可以比较完整样品的相同性能。

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