PETROLEUM GEOLOGY

20110957 Bai Jingru(Engineering Research Centre of Ministry of Education for Comprehensive Utilization of Oil Shale,Northeast Dianli University,Jilin 132012,China);Wang Qing Basic Physicochemical Characteristics of the Huadian Oil Shale Semi-Cokes(Journal of Jilin University,ISSN1671-5888,CN22-1343/P,40(4),2010,p.905-911,5 illus.,8 tables,10 refs.,with English abstract)Key words:oil shale,Jilin Province20110958 Chen Jingyi(Faculty of Resources and Information Technology,China University of Petroleum,Beijing 102249,China);Wang Feiyu Maturity and Genetic Type of Crude Oils in Qikou Sag,Bohai Bay Basin(Xinjiang Petroleum Geology,ISSN1001-3873,CN65-1107/TE,31(3),2010,p.242-244,7 illus.,4 refs.)Key words:crude oil,Bohaiwan Basin Qikou sag is one of the rich-oil areas in Bohai Bay Basin,in which three sets of lacustrine source rocks developed in Tertiary and Paleozoic reservoirs.The geochemical analyses of 59 crude oil and 102 source rock samples from Qikou sag show that the crude oils in Qikou sag belong to mature oil,combined with the biomarkers of n-alkanes,steroid and terpenoid as well as light hydrocarbons index,