CHARACTERISTICS AND CLASSIFICATION OF THE MIDDLEAND LOWER TRIASSIC CARBONATE ROCK RESERVOIRS IN THE CHISHUI AREA OF GUIZHOU PROVINCE
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摘要: 本文主要对贵州赤水地区中、下三叠雷口坡组、嘉陵江组碳酸盐岩储层特征进行研究.作者采用产能系数法,确定其储层的下限,然后综合岩石学特征、物性特征、孔隙结构特征及储层下限,将本区储层分为4类.本区大部分瞩Ⅱ、Ⅲ类,为裂缝-孔隙型储层.Abstract: The characteristics of carbonate rock reseryoirs of Leikoupo Fm. and Jialingjiang Fm. of the Middle and Lower Triassic was mainly studied in the Chishui area,Guizhou.Thelower limit of the reservoirs was determined by prodiuction-coefficient-method.The reservoirs were classified into four levels based on the integrative characteristics of their lithology, physical property, pore texture and rese rvoir lower limit.Most of the reservoirs in thearea are located in the second and the third class,which are reservoirs of crack-pore type.
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