复杂断块油藏三维地质模型的多级定量评价

doi:10.11885/j.issn.16745086.2019.11.21.01

摘要/Abstract

摘要： 为了定量评价和不断提升三维地质模型的质量，在明确研究区研究目的及地质特征的基础上，通过选取多个关键指标，同时运用层次分析法求取准确权重，并且依据研究区开发阶段及地质资料数量和质量制定合理的标准，利用实际模型与标准进行对比，得出各个指标的实际得分，通过低分项找出模型的不足，最终经过累计得分定量评价三维地质模型的整体质量。研究认为，研究区的构造模型与沉积相模型质量良好，而属性模型质量相对较差，最终模型得78分，质量中等，有一定提升空间，通过加深研究区地质认识及建模方法优选和多样化，新地质模型较评价前模型有了较大幅度的提升，最终模型得94分。三维地质模型定量评价体系不仅具有定量评价模型质量的作用，而且还具有指出模型不足优势，从而达到不断提升模型质量的效果。

关键词: 定量评价, 关键指标, 层次分析法, 准确权重, 三维地质模型

Abstract: In order to evaluate quantitatively and to raise the quality of 3D geological model, after clarifying the research purposes and geological characteristics of the study area, by selecting several key indicators, and the analytic hierarchy process is used to get the accurate weight. What is more, according to the development stage of the research area and the quality of geological data, reasonable standards are established, the actual score of each index is obtained by comparing actual model with score criterion, and the shortcomings of the model are by the low items. And the overall quality of three-dimensional geological model is evaluated quantitatively by accumlating actual scores of various indicators. Recent studies suggest that the quality of structural model and sedimentary facies model in the study area is good. However, the quality of attribute model is relatively poor, the score of the entire model is 78; the quality of entire model is medium, and there is still more room for this model improvement. The new geological model has been greatly improved compared with original geological model, the score of final model being 94. The quantitative evaluation of 3D geological model has not only the function of quantitative evaluation of model quality but also the advantage of defermining model's shortcoming, which can constantly improve the quality of the model.

Key words: quantitative evaluation, key indicator, analytic hierarchy process, accurate weight, 3D geological model

中图分类号:

TE122

张庆龙, 刘磊, 贾志伟, 刘中良. 复杂断块油藏三维地质模型的多级定量评价[J]. 西南石油大学学报(自然科学版), 2021, 43(3): 61-70.

ZHANG Qinglong, LIU Lei, JIA Zhiwei, LIU Zhongliang. Multilevel Quantitative Evaluation of 3D Geological Model of Complex Fault Block Reservoir[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2021, 43(3): 61-70.

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