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Pore-pressure prediction based on velocities coupled with geomechanical modeling

机译:基于速度与地质力学建模的速度预测

摘要

Disclosed herein are methods for predicting pore pressure in geological environments. Aspects of the disclosure describe details relating to performing geomechanical modeling for a target location in order to obtain a surrogate stress at the target location and predicting pore pressure by coupling velocity data (e.g., seismic and/or sonic) with the surrogate stress. Aspects of the disclosure can be used to obtain improved predictions of pore pressure in subsurface environments, especially in basins with complex geologic histories, and in practice to improve the safe design of casing, wellbore trajectory, and overall borehole stability.
机译:本文公开了用于预测地质环境中的孔隙压力的方法。本公开的各方面描述了与针对目标位置执行地质力学建模的细节,以便通过将速度数据(例如,地震和/或声波)与替代应力耦合速度数据(例如,地震和/或声音)来预测孔隙压力。本公开的各方面可用于在地下环境中获得改进的孔隙压力预测,特别是在具有复杂地质历史的盆地中,并且在实践中,以改善壳体,井筒轨迹和整体钻孔稳定性的安全设计。

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