现代地质2011，Vol.25Issue(4)：650-659,10.
塔河油田奥陶系岩溶油藏溶洞储集体成因及演化
Origin and Evolution of Ordovician Karst Cave Reservoir in Tahe Oilfield
摘要
Abstract
Karst caves, holes and cracks are important oil conductivity to Ordovician fractured reservoir and control the distribution of oil and gas in Tahe oilfield. Karst system of Ordovician reservoir in Tahe oilfield developed from Caledonian to Early Hercynian. Based on the karst origin, evolution and growth mechanism of Tahe oilfield, it is considered that the north area of pinch O3s is the result of karst in Caledonian and Early Hercynian, and the south area of pinch O3s is the result of karst in Caledonian. Utilization of core, drilling, logging and seismic data, the carbonated caved- fracture reservoir caves are divided into 4 types: Excavation or dissolution by aggressive fluids; Deposition of allochthonous (externally derived) sediments; Deposition of autochthonous (internal derivation and precipitation) sediments; Collapse at near-surface and in subsurface. Finally, the article establishes the distribution pattern of carbonated caved-fracture reservoir.关键词
岩溶作用/碳酸盐岩/奥陶系/塔河油田/塌陷Key words
karst/ carbonate/ Ordovician/ Tahe oilfield/ cavern collapse分类
能源科技引用本文复制引用
牛玉静,康志宏,龙旭,崔文彬..塔河油田奥陶系岩溶油藏溶洞储集体成因及演化[J].现代地质,2011,25(4):650-659,10.基金项目
国家基础研究发展计划“973”项目(2006CB202403) （2006CB202403）
国家科技重大专项项目(2011ZX05009-003). （2011ZX05009-003）
