陕西科技大学学报（自然科学版）2012，Vol.30Issue(1)：101-105,5.
坪北探区延长组长8、长9油层组资源潜力分析
PREDICATION OF THE ORE RESOURCE POTENTIAL OF CHANG 8 AND CHANG 9 OIL GROUP OF YANCHANG FORMATION IN PINGBEI EXPLORATION AREA
摘要
Abstract
In recent years,along with the exploration change of Yanchang formation in strategy, Pingbei exploration area achieved new discovery in Chang 8 and Chang 9 oil group of Yanchang formation. Based on the massive core data,with SEM observations microscopic-analysis, casting thin sections and conventional Hg injection techniques, the results showed Chang 9 oil group is shallow lake deposition and sediments are fine. Chang 8 oil group locates in Ansai delta front, underwater distributary channel and debouch bar sandbodies whose storage space are big developed. Reservoir space is made up of original residual pore between grains. There is one set of premium hydrocarbon source rock on the top of Chang 9 oil group,about 5~14 m thick,which generate hydrocarbons strongly. There are three types of reservoir assemblage in this area, self-generation and self-accumulation ones, lowe generation and high accumulation ones, high generation and low accumulation ones. According to oil-test results of Chang 8 and Chang 9 oil group, self-generation and self-accumulation ones, low generation and high accumulation ones in Pingbei exploration area present good oil exploration prospect. Oil-bearing area can be increased by progressive exploration,it's also the replacement resources of next exploitation.关键词
坪北探区/油层组/储层特征/成藏组合类型Key words
Pingbei exploration area/ oil group/ reservior characteristics/ types of reservoir assemblages分类
能源科技引用本文复制引用
张金良,郭爱华,李浩,张慧元..坪北探区延长组长8、长9油层组资源潜力分析[J].陕西科技大学学报（自然科学版）,2012,30(1):101-105,5.基金项目
陕西省教育厅专项科研计划项目(2010JK919) （2010JK919）
