随机模拟技术在太阳岛—葵花岛地区储层预测中的应用
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摘要
随机模拟储层预测技术是一种以地质统计学为基础的储层预测技术。它综合利用地震、地质、测井数据和地质知识,对储层的空间分布特征进行模拟。根据随机模拟技术原理及流程构建合理的地质模型,对区域地质量进行统计和分析,选择合理的反演参数,进行波阻抗随机反演和岩性模拟,预测储层分布规律。研究结果表明,储层随机模拟结果较大地提高了反演分辨率,对于识别砂泥岩薄互型储层效果较好。
Probabilistic simulation technique for reservoir prediction is based on geostatistics.Spatial distribution of reservoirs is simulated by combining seismic,geologic,and logging data.A rational geologic model is established according to probabilistic simulation theory to analyze regional geologic parameters,to choose rational inversion parameters to conduct wave impedance inversion and lithology simulation,and to predict reservoir distribution.The result shows that the resolution of inversion has been greatly improved through probabilistic simulation,which is very helpful for identifying thin interbedded sand and shale reservoir.
引文
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