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Advances in the characterization of rough fractures in hydrocarbon reservoirs

机译:油气藏粗裂缝表征的研究进展

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A multitude of factors control the flow of fluids through fracture systems in hydrocarbon reservoirs. For example, closed fractures i.e. (deformation bands) may seal or baffle hydrocarbon flow (Fossen & Hesthammer 1998) whereas open fractures are considered to be conductive to hydrocarbon flow. However, fracture surface roughness has much control upon fluid flow through open fractures and is demonstrated to effect significant departures from the Cubic Law for predicting flow through fracture apertures (Isakov et al. 2001a). Such considerations are crucial in igneous and metamorphic reservoir rocks since fractures in these rocks may form the only significant pathways for fluid migration (Isakov et al. 2001b).
机译:多种因素控制着流体流过烃类储层中的压裂系统。例如,闭合裂缝(即变形带)可能会封闭或阻碍油气流(Fossen&Hesthammer 1998),而开放裂缝被认为有利于油气流。但是,裂缝表面粗糙度对流经开放裂缝的流体有很大的控制作用,并且已证明与预测通过裂缝孔的流量的立方定律有很大的不同(Isakov等,2001a)。这些考虑因素在火成岩和变质油藏中至关重要,因为这些岩石中的裂缝可能构成流体运移的唯一重要途径(Isakov等,2001b)。

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