摘要
以塔河油田为代表的碳酸盐岩缝洞型油藏是以大型溶洞和裂缝为主要储集空间的特殊类型油藏,储集体分布复杂,主体缝洞介质内流体流动不符合达西渗流规律,使得该类油田开发无法借鉴碎屑岩成熟的开发理论和技术。经过近年来的科技攻关研究,深化了缝洞型油藏储集体形成机制,揭示了缝洞型油藏流体动力学机理,形成了超深层缝洞储集体地球物理描述、多尺度岩溶相控缝洞储集体建模、缝洞型油藏数值模拟3项关键技术成果。在塔河油田缝洞型油藏开发实践中,有效指导了注水开发,提高了开发效果。
Represented by the Tahe oilfield, the carbonate fractured-cavity reservoir is a special type of reservoirs that have large caves and fractures as the major accumulating space. The reservoir distribution is complex and the fluid flow in main fractured-cavity media is incompatible with the Darcy seepage flow law, so that the reservoir development can not use the mature development theory and technology of clastic rock reservoirs for reference. Through scientific and technological researches in recent years, some theoretical problems on the formation mechanism of fractured-cavity reservoirs and the related fluid dynamic mechanism have been solved, and three key technical achievements have been obtained, including the geophysical description of ultra-deep fractured-cavity reservoirs, the fractured-cavity reservoir modeling under the multiple-scale karst-facies control and the numerical simulation of fractured-cavity reservoirs, all of which have effectively guided the water injection development and enhanced the development effect of fractured-cavi- ty reservoirs in the Tahe oilfield.
出处
《石油学报》
EI
CAS
CSCD
北大核心
2013年第1期115-121,共7页
Acta Petrolei Sinica
基金
国家重点基础研究发展计划(973)项目(2011CB201003)
国家重大科技专项(2011ZX05014-002)资助
关键词
塔河油田
奥陶系
碳酸盐岩
缝洞系统
油藏开发
Tahe oilfield
Ordovician
carbonate rock
fractured-cavity system
reservoir development
