Rock compressibility evaluation method, device, medium and equipment

The invention discloses a rock compressibility evaluation method and device, a medium and equipment, and the method comprises the steps: obtaining a Young modulus and a Poisson's ratio based on a rock physical model; calculating a brittleness index based on the Young modulus and the Poisson...

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Hauptverfasser: HUO ZHIZHOU, QIAN KERAN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a rock compressibility evaluation method and device, a medium and equipment, and the method comprises the steps: obtaining a Young modulus and a Poisson's ratio based on a rock physical model; calculating a brittleness index based on the Young modulus and the Poisson's ratio; calculating a horizontal stress difference coefficient; and obtaining the comprehensive shale compressibility index based on the brittleness index and the horizontal stress difference coefficient. According to the rock compressibility evaluation method based on shale rock physical modeling, comprehensive analysis is conducted on the basis of the brittleness index and the horizontal stress difference, the shale compressibility comprehensive index is obtained, and the shale compressibility comprehensive index is high in accuracy and accurately represents rock brittleness. 本发明公开了岩石可压性评价方法、装置、介质及设备,该方法包括:基于岩石物理模型,获得杨氏模量和泊松比;基于杨氏模量和泊松比,计算脆性指数;计算水平应力差系数;基于脆性指数和水平应力差系数,获得页岩可压性综合指数。本发明的基于页岩岩石物理建模的岩石可压性评价方法基于脆性指数和水平应力差进行综合