摘要
大港油田张东地区成藏地质条件有利,储层特征是影响该区油气富集的主控因素之一.本文利用测井、录井、岩心及分析测试资料,结合区域构造背景分析,确定张东地区主力储层沙二段砂岩为滨浅湖砂坝相沉积.张东断层上升盘地区处于砂坝主体部位,砂岩厚度大且储层物性较好,是研究区沙二段最有利储集体,位于下降盘的砂体,处在砂坝外缘区,物性较差,勘探风险较高.
The Zhangdong district of Dagang oilfield has the favorable geologic condition of petroleum and nutral gas accumulation,and the reservoir charcteristics was one of the main controlling factors to ptetroleum-gas enrichment.This paper syntheticlly used well logging, mud logging, well core and the data from testing , associated the tectonic setting,determined that the main reservoir of Zhangdong district,the number 2 of Shahejie formaition,was belong to the sedimentary facies of sand-bars of mere-littoral lake.and the upthrown of Zhangdong fault which located in the main block of sand-bars, has the better physical characteristic and thicker sandstone , howerve,the sandstone of the downthrow of Zhangdong fault which located in the exterior margin of sand-bars did not have so good conditions and the exploration risk is higher.
出处
《新疆地质》
CAS
CSCD
北大核心
2009年第4期390-393,共4页
Xinjiang Geology
关键词
张东地区
沙二段
沉积相
砂坝
Zhangdong district
Number 2 of shahejie formation
Sedimentary facies
Sand-bars
作者简介
于长华（1977-），男，天津人，工程师，2002年于江汉石油学院毕业，从事油气勘探综合评价工作
