用测井资料计算地层应力

系统总结了计算水平地层应力的多孔弹性水平应变模型法、双轴应变模型法、莫尔－库仑应力模型法、一级压实模型、单轴应变经验关系模型、组合弹簧经验关系模型、葛氏地层应力经验关系模型和应力－速度关系模型。阐述了交叉偶极声波测井、地层倾角和微电阻率扫描双井径法确定水平主地应力方向的方法和应用时应注意的问题。列举了在石油勘探开发中的应用，指出了今后努力的方向。

Calculation of Formation Stress Using Logging Data

Based on studying some literatures, we systematically summarised various horizontal stress calculation models, such as multi-poro medium model, diaxial stress model, Mohr-Coulomb model, primary compaction model, uniaxial stress-strain experiential relation model, combined spring model, Ge's stress experiential relation model and stress-velocity experiential relation model, etc.. The main methods for determining horizontal stress direction and preconditions include dual-calipers of dipmeters and micro-resistivity imaging scanners as well as shear wave splittings of dipole or cross-dipole acoustic measurements. Applications of formation stress in petroleum exploration&exploitation are listed and its developing trend is given.