收稿日期: 2008-04-16
修回日期: 2008-06-05
网络出版日期: 2008-10-10
Sedimentary Microfacies and Gas-oil Distribution inⅠOil Formationin Xing’anling Group, Sudeerte Oilfield
Received date: 2008-04-16
Revised date: 2008-06-05
Online published: 2008-10-10
徐振中;姚军;王夕宾;张荻楠 . 海拉尔盆地苏德尔特油田兴安岭群Ⅰ油层组沉积微相及其含油气性[J]. 天然气地球科学, 2008 , 19(05) : 680 -684 . DOI: 10.11764/j.issn.1672-1926.2008.05.680
The sedimentary facies distribution of sandstone reservoirs and heterogeneity become the bottle neck restricting the progressive exploration, development and production. According to core observation, well logging and drilling, the sedimentary microfacies and gas/oil distribution inⅠoil formation in Xing’anling Group are studied. The results show there are many sedimentary microfacies inⅠoil formation in Xing’anling Group, such as submerged branch channel, distributary mouth bar, and distal bar in braided river delta front and main groove and embankment in sublacustrine fan, and the submerged branch channel in braided\|river delta front is dominant. The relation among the sedimentary microfacies, the reservoir physical property, and the distribution of oil/gas are analysed, and it is shown that the favorable place for petroleum accumulation is the sandbody to submerged branch channel and distributary mouth bar in braided river delta front.
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