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碳酸盐岩储层半定量评价技术 被引量:9

The Semi-quantitative Evaluation of Carbonate Reservoir
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摘要 勘探实践表明 ,碳酸盐岩是油气的重要储层 ,但由于碳酸盐岩沉积时代久远 ,经历多次构造运动 ,遭受强烈的风化、剥蚀和淋滤作用 ,地层的非均质性极强 ,导致碳酸盐岩储集岩的定量评价成为困扰该类油气藏勘探的主要技术难题之一。目前对碳酸盐岩储层的评价仍停留在定性—半定量的水平 ,常用的方法可以分为三类 :即地质预测法、地球物理法和地质 -地球物理综合计算法。地质预测法主要有曲率法、构造应力场模拟法、断层应力强度因子计算法 ;地球物理法主要包括多分量地震法、Seislog反演技术、时频分析法、相关分析裂缝预测等 ;地质 -地球物理综合计算法包括非线性大变形数值模拟法及有限变形转动场法等。这些方法在国内外很多油区得到广泛的应用 。 The exploration practice has proved that carbonate rock is an important hydrocarbon reservoir. Because it has long sedimentary age and high heterogeneity, experienced many tectonic movements, endured strong weathering, denudating and leaching, the quantitative evaluation is the main technical problem in carbonate exploration. Now the evaluation is still at qualitative semiquantitative level, there are three common methods such as geological prediction, geophysical and comprehensive geological geophysical computation etc. Geological methods mainly include curvature method, structural stress modeling and strength factor computation of fault stress. Geophysical methods can be divided into multi fractional seismology, Seislog inversion technique, time frequency analyzing method, fracture prediction by correlation analysis. Comprehensive geological geophysical computations include nonlinear numeric modeling of large deformation and rotating method of limited deformation. These methods are widly applicated in oil provinces at home and abroad, and have made good results.
作者 王亚琳
出处 《海洋石油》 CAS 2002年第4期42-48,共7页 Offshore Oil
关键词 碳酸盐岩 油气储层 评价技术 多分量地震 裂缝预测 carbonate rock hydrocarbon reservoir evaluation technique multi fractional seismology fracture prediction
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参考文献11

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