特种油气藏2024，Vol.31Issue(3)：61-69,9.DOI:10.3969/j.issn.1006-6535.2024.03.008
基于声学参数和孔隙结构分类的深层储层饱和度计算方法
A Calculation Method of Deep Tight Reservoir Saturation Based on Acoustic Parameters and Pore Structure Classification
摘要
Abstract
Deep tight reservoirs present intricate geological conditions,posing challenges in accurately calculating gas saturation.To address the issue,the structural belt of northern Kuqa in Tarim Basin is taken as an example.Based on the theories of rock conductivity and acoustics,using petrophysicaltesting methods and data analysis tech-niques,combined with mercury intrusion porosimetry and nuclear magnetic resonance data,the reservoirs are divid-ed into four categories based on their pore structures.According to the parameters of rock fractures,the relation e-quation between water saturation and acoustic parameters at different conditions of pore structures is established.An innovative saturation calculation model based on acoustic parameters and pore structure classification has been de-veloped.According to the research results,compared with Archie equation of electrical petrophysical variations in rocks and Gassmann-Wood saturation equation,the simulator better matched with the test data.This method has proven to be feasible.The method provides a new approach to calculate the saturation of deep tight reservoirs using non-electric logging data,and promote efficient exploration and development in deep tight gas reservoirs.关键词
深层致密储层/含水饱和度/声学参数/孔隙结构/Gassmann-Wood方程Key words
deep tight reservoir/water saturation/acoustic parameters/pore structure/Gassmann-Wood equation分类
能源科技引用本文复制引用
袁龙,刘文强,罗少成,王谦,李楠,曹原..基于声学参数和孔隙结构分类的深层储层饱和度计算方法[J].特种油气藏,2024,31(3):61-69,9.基金项目
中国石油测井十大科技专项"重点勘探领域测井解释评价核心技术攻关"(CNLC2022-08B02) （CNLC2022-08B02）
