西南石油大学学报（自然科学版）2025，Vol.47Issue(1)：16-26,11.DOI:10.11885/j.issn.1674-5086.2024.08.28.01
构型模式约束下深海水道连续性定量表征
Quantitative Characterization of Deep-sea Channel Continuity Under Architecture Model Constraints
摘要
Abstract
Deep-sea channels are important transportation channels and deposition sites for sedimentary debris to deep-sea basins,and they are the main types of reservoirs in deep-sea sedimentary environments.Aiming at the problems of unclear structural pattern and distribution pattern of sand body inside the channel,and the difficulty of predicting reservoir continuity,we have carried out a research on quantitative characterization method of reservoir continuity in deep-sea channel type.The study takes the deep-sea waterway configuration pattern and characterization results as the constraints,takes the inverse of the product of the lateral and vertical stacking ratio of the sand body as the continuity coefficient,and synthesizes the coupling relationship between the continuity and curvature to realize the quantitative evaluation of the distribution pattern of the continuity of the reservoirs in the deep-sea channel.The study achieves the following insights,the single channel configurations in the study area are divided into three types:isolated(Type Ⅰ),contact(Type Ⅱ),and embedded(Type Ⅲ),corresponding to lateral stacking ratios of＞1.00,0.85～1.00 and＜0.85,and vertical stacking ratios of＞1.00,0.80～1.00 and＜0.80,and continuity coefficients of 0.96～1.34,1.37～1.67 and 1.67～2.56,type Ⅰ curvature distribution intervals of 1.00～1.11,type Ⅱ distribution intervals of 1.02～1.28,and type Ⅲ distribution intervals of 1.10～2.28,with continuity decreasing with increasing curvature.The study quantifies the continuity coefficients and curvature distribution ranges of different configuration styles,quantitatively characterizes the stacking relationship between single channel sands,and is of great significance as a geological guide for the efficient production and fine development of deep-sea channel reservoirs.关键词
尼日尔三角洲/深海水道/连续性/构型模式/定量表征Key words
Niger Delta/deep-sea channel/continuity/constitutive patterns/quantitative characterisation分类
能源科技引用本文复制引用
刘飞,赵晓明,冯潇飞,曹树春,卜范青..构型模式约束下深海水道连续性定量表征[J].西南石油大学学报（自然科学版）,2025,47(1):16-26,11.基金项目
国家自然科学基金(42072183) （42072183）
四川省自然科学基金杰出青年科学基金(2024NSFJQ0065) （2024NSFJQ0065）
中海石油国际能源服务(北京)有限公司科技项目(CBJ-2023-PCPS-0020-RI) （北京）
四川省国际科技创新合作项目(24GJHZ0465) （24GJHZ0465）
