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碳酸盐岩缝洞型油藏三维建模方法技术研究——以塔河奥陶系缝洞型油藏为例
石油实验地质
2012年 34卷 第2期
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Title
Studies of 3D reservoir modeling: taking Ordovician carbonate fractured-vuggy reservoirs in Tahe Oil Field as an example
Authors
Lu Xinbian
Zhao Min
Hu Xiangyang
Jin Yizhi
单位
中国石油化工股份有限公司西北油田分公司勘探开发研究院, 乌鲁木齐 830011
2. 中国石油化工股份有限公司石油勘探开发研究院, 北京 100083
Organization
Research Institute of Petroleum Exploration and Production, Northwest Oilfield Branch Company, SINOPEC, Urumqi, Xinjiang 830011, China
2. SINOPEC Exploration & Production Research Institute, Beijing 100083, China
摘要
碳酸盐岩缝洞型油藏与碎屑岩油藏及其它裂缝孔隙型的碳酸盐岩油藏有本质区别,溶洞、裂缝、溶蚀孔隙3种孔隙类型共存,使得传统的碎屑岩油藏建模理论、方法面临挑战.该文提出了以缝洞单元为基础的缝洞型油藏"5步法"建模技术,即建立溶洞分布模型、裂缝离散分布模型、溶洞物性参数模型、裂缝参数模型和缝洞连通体模型.地质模型描述和刻画缝洞体三维形态展布、属性分布,为开发该类油藏提供了理论基础.
Abstract
Carbonate fractured-vuggy reservoirs are basically different from clastic or other fracture-pore reservoirs.Karst caves,fractures and corroded pores coexist in the carbonate fractured-vuggy reservoirs and challenge traditional clastic reservoir modeling theories and methods.A new modeling technique based on fractured-vuggy unit has been proposed.It is featured by "5 steps" including the establishments of 5 models: cave distribution,fracture discrete distribution,cave petrophysical parameter,fracture parameter as well as fracture and cave connection.The model illustrates the 3D distribution and features of fractured-vuggy reservoirs and provides theore-tical basement for reservoir exploration.
关键词：
溶洞型储集体;
缝洞单元;
缝洞型碳酸盐岩油藏;
三维地质建模;
奥陶系;
塔河油田;
Keywords:
karst cave reservoir;
fracture and cave unit;
carbonate fractured-vuggy reservoir;
3D geologic modeling;
Ordovician;
Tahe Oil Field;
基金项目
国家重点基础研究发展计划(973计划)项目(2006CB202403)资助
DOI
https://doi.org/10.11781/sysydz201202193
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