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主要应用精细地质研究成果,以薄差油层为研究对象,研究杏十二区不同类型砂体的动用状况,针对不同类型砂体的开采特点,以密井网条件下的测井曲线为依据,结合环空、同位素等动态资料,判断不同井组间的水驱方向、砂体动用情况,进而确定三次加密调整对象;并对新井采取不同的完井方式及细分等工艺提高表内薄差层和表外层的动用厚度,从而完善单砂体的注采关系,进一步挖掘剩余油潜力。
The main application of fine geological research results, the thin difference of the oil layer as the research object, the study of the Xing 12 second sand area of different types of sand utilization, according to different types of sand mining characteristics to the well pattern under the logging curve as the basis, Combined with the dynamic data such as annulus and isotope, the waterflooding direction and the sand body movement between different well groups are judged, and then the object of three-time encryption adjustment is determined; and the different completion methods and subdivision processes of the new well are used to increase the thinning difference in the table Layer and the outer layer of the thickness of the outer layer, so as to improve the relationship between injection and production of single sand body to further tap the potential of remaining oil.