地层测试对油层改造选井选层的重要性及改造措施有效性评价

Effect Valuation of Rebuilding Measure and the Importance of Selecting Well and Layer of Oil Layer Rebuilding for Formation Testing.

经对胜利油田近三年来典型井例测试资料分析评价及其增产措施效果分析认为,有三类地层压裂增油效果很好:地层物性相对较好的常压系统且存在严重堵塞的储层;物性较好的常压地层;高压低渗透储层。有两类地层酸化效果很好:灰岩、白云岩裂缝、低产低渗透储层;物性较好且存在严重污染堵塞的储层。其它地层压裂、酸化一般是无效的。

Through analyzing and valuating the testing data of the typical wells in past three years and stimulation treatment effect in Shengli oil fields, increase production effect of three kinds of formations fracture, which is the reservoir with normal pressure system having relative better character and serious jam,normal pressure reservoir having good character, the reservoir having high pressure and low permeability, is very obvious. Acidification of two kinds of formations, which is the fracture in ash rock and dolomite,low production and low permeability formations and the formations having good character but existing serious pollution and jam,is considered obvious,The other formations are useless through fracturing and acid zing.