渤南洼陷沙三下亚段页岩油资源潜力分级评价  

CLASSIFICATION AND EVALUATION OF THE SHALE OIL RESOURCE POTENTIAL IN LOWER MEMBER OF ES_3 OF BONAN SUBSAG

作　　者：王雪飞[1] 李琳琳[1,2] 薛海涛[1] 卢双舫[1] 王民[1] 师磊[3] 

机构地区：[1]东北石油大学地球科学学院,黑龙江大庆163318 [2]大庆油田有限责任公司井下作业分公司,黑龙江大庆163458 [3]大庆油田有限责任公司第三采油厂,黑龙江大庆163113

出　　处：《大庆石油地质与开发》2013年第5期159-164,共6页Petroleum Geology & Oilfield Development in Daqing

基　　金：国家自然科学基金项目"泥页岩非均质性评价及其与页岩油气富集关系"(41172134);国家重点基础研究发展计划"973"计划前期专项"泥页岩油气成藏规律与资源潜力评价"(2011CB211701)资助

摘　　要：地化分析表明渤南洼陷具备了形成页岩油的物质基础。根据总有机碳含量与含油性的关系确定了页岩油资源分级评价标准,将渤南洼陷沙三下亚段页岩油资源划分为3个等级进行评价。同时利用△logR法获取氯仿沥青"A",通过化学动力学方法恢复了烃类的损失部分,并用体积法对渤南洼陷不同级别泥页岩层段的页岩油资源量进行了计算。研究认为沙三下亚段具有较大的页岩油资源潜力,其中I级资源量明显高于Ⅱ、Ⅲ级,是油气资源勘探开发的有利目标。Geochemical analysis shows that Bonan Subsag has the material basis for the generation of shale oil. Be- cause of the characteristics of low porosity and low permeability of the oil shale, only partially enriched shale oil can be effectively exploited. According to the relationship between TOC and oil-bearing properties, the classifying and evaluating standards of the oil resources are determined, so three levels are graded and evaluated for the shale oil resources in Lower Member of Es3 of Bonan Subsag. At the same time, with the help of AlogR method, chloroform bitumen ＂A＂ is obtained; by means of chemical dynamic method, the loss of hydrocarbon group is recovered. Fi- nally the amount of the shale oil resources in different muddy intervals of the subsag are calculated. The studies show that Lower Member of Es3 is characterized by much bigger resource potentials, and moreover Grade I is better than Grade II and Grade III, so it is the favorable target for the exploration and development of the petroleum re-sources.

关 键 词：渤南洼陷 沙三下亚段 页岩油 资源潜力 分级评价 

分 类 号：TE355[石油与天然气工程—油气田开发工程]