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Geometric nature of hydraulic fracture propagation in naturally-fractured reservoirs

机译:天然裂缝性油藏水力压裂扩展的几何性质

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摘要

The geometry of hydraulic fracture propagation in the absence and presence of natural fractures in reservoirs was studied. The results revealed a marked influence of natural fractures on the symmetry of fracture propagation observed for rock free of natural fractures. Natural fracture properties such as stiffness and approaching angle, and the distance from wellbore to the natural fracture were found to influence the hydraulic fracture geometry. Furthermore, the location of the wellbore with respect to the natural fractures in a reservoir having a system of natural fractures displayed a significant influence on the resulting geometry of hydraulic fracture propagation. (C) 2016 Elsevier Ltd. All rights reserved.
机译:研究了在不存在自然裂缝的情况下水力裂缝的扩展几何形状。结果揭示了天然裂缝对无天然裂缝的岩石观察到的裂缝扩展对称性的显着影响。发现诸如裂缝的刚度和接近角以及从井眼到自然裂缝的距离等自然裂缝特性会影响水力裂缝的几何形状。此外,井眼相对于具有天然裂缝系统的储层中的天然裂缝的位置对所得的水力裂缝传播的几何形状显示出显着影响。 (C)2016 Elsevier Ltd.保留所有权利。

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