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机构地区:[1]长江大学地球化学系油气资源与勘探技术教育部重点实验室(长江大学),湖北荆州434023
出 处:《石油天然气学报》2012年第2期46-49,166,共4页Journal of Oil and Gas Technology
基 金:国家自然科学基金项目(40973041)
摘 要:通过对柴达木盆地跃进地区烃源岩物质基础、原油地球化学特征的系统剖析,应用成熟度参数和含氮化合物参数揭示了研究区2个不同构造区的两种不同石油运移方式。提出跃进一号构造区尕斯库勒油田原油主要来源于北部的茫崖坳陷和红狮坳陷,石油自北向南运移,并具有多源注入-混合聚集成藏的特征;跃进二号构造中的原油则主要由南向北运移成藏,其中扎哈泉凹陷对该地区油藏的形成有重要贡献。Based on the systematical analysis of the source rocks and geochemical characteristics of crude oil in Yuejin Area of Qaidam Basin,the maturity parameters and nitrogen compound parameters were used to reveal the two different ways of oil migration in two different tectonic zones in the studied area.It is clearly pointed out that oils of Yuejin-1 structural zone in Gasikule Oilfield are mainly originated from Mangya Depression and Hongshi Depression in the north of Yuejin Area,where oil is migrated from the north to south,and has the characteristics of multiple-source injection and mixed accumulation.The crude of Yuejin-2 Structural zone is mainly migrated from south to north,of which Zahaquan Depression has important contribution for the reservoir formation in the region.
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