塔中地区中上奥陶统异常体特征  

Origin and Attribution of the Geologic Anomalous Bodies of Middle-Upper Ordovician System in Tazhong Area

作　　者：朱俊玲[1] 焦存礼[2] 王玉昌[1] 欧阳睿[1] 徐俊杰[1] 

机构地区：[1]中原油田分公司勘探开发科学研究院,河南濮阳457001 [2]中国地质大学能源地质系,北京100083

出　　处：《大庆石油地质与开发》2002年第5期13-14,共2页Petroleum Geology & Oilfield Development in Daqing

摘　　要：为搞清塔中地区中上奥陶统地质异常体属性及含油气特征 ,通过对异常体地球物理特征、沉积环境、层序特征分析及与已钻探证实的异常体对比等方法 ,初步认为异常体可能是生物礁、砂岩透镜体、海底浊积扇、火成岩体等 ,并认为异常体圈闭是油气聚集的有利场所 。Through comprehensive researches such as geophysical characters of the anomalous body,sedimentary environment,the characters of the sequences and correlation with other anomalous bodies which have been verified by drilling, studying the attribution and oil-and-gas-bearing character of geologic anomalous bodies of Middle-Upper Ordovician System in Tazhong Area.Preliminary conclusion is drew that anomalous bodies may be reefs,sandstone lenses,submarine turbidite fans or igneous rocks,etc..And the traps of the anomalous bodies are the favorable location for hydrocarbon accumulation,and should be the prospects of great exploration potential.

关 键 词：塔中地区 异常体 生物礁 火成岩 砂岩透镜体 浊积扇 

分 类 号：TE121.3[石油与天然气工程—油气勘探]