东营凹陷通王地区负反转构造与断块型古潜山的形成  

Negative reversal structure and the formation of fault - block type buried hills in Tong wang area of Dongying Sag

作　　者：贾霍甫[1] 徐思煌[1] 

机构地区：[1]中国地质大学(武汉),湖北武汉430074

出　　处：《油气地质与采收率》2006年第3期19-21,共3页Petroleum Geology and Recovery Efficiency

摘　　要：负反转构造和断块型古潜山普遍存在于东营凹陷通王地区古生界之中。通过系统分析该区印支运动以来区域应力场的变化,发现古生界在不同性质区域应力场作用下发生多次反转,并呈现出正、负反转构造交替出现的特征。负反转构造是断块型古潜山形成的主要因素,其构造演化决定了断块型古潜山的形成。印支运动及其以前的构造演化为断块型古潜山的形成奠定了基础,燕山构造运动形成了断块型古潜山的雏形,喜马拉雅期是断块型古潜山的定型期。断块型古潜山主要成藏模式是“新生古储”型,新生界油气通过断层、不整合面和砂体输导体系在潜山储层聚集成藏。Negative reversal structure and the fault - block type buried hills are very common in Palaeozoic group in Tongwang area of Dongying Sag. Through systematic analysis of the change of regional stress field since Indosinian movement, the Palaeozoic group was reversed for many times under the influence of regional stress field changes, and negative and positive reversal structures were presented alternately. Negative reversal structures are the main factors of forming fault - block type buried hills and their structural evolution determined forming the fault- block type buried hills. The Indosinian movement and former structural evolution laid a foundation for forming the fault- block type buried hills. Yanshanian structural movement formed an embryonic form of fault - block type buried hills, Himilayan Period was its finalization period. Main reservoir forming pattern of the fault - block type buried hills is ' young source in old reservoir' type, and oil - gas in Cenozoic group was accumulated and formed in the buried hill reservoirs through fault, unconformity surface and sand transportation system.

关 键 词：负反转构造 构造演化 断块型古潜山 东营凹陷 

分 类 号：P618.13[天文地球—矿床学]