Oil filling history of the Bashituo Oilfield in the Markit Slope,SW Tarim Basin,China

查看全文 作　　者：Cui [1,2]Jingwei;Wang [2]Tieguan;Li [2]Meijun;Ou [2]Guangxi;Geng [3]Feng;Hu [2]Jian

机构地区：[1]Research Institute of Petroleum Exploration&Development;[2]Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum;[3]Northwest Branch Company,SINOPEC

出　　处：《Petroleum Science》索引2013年第10卷第1期,共7页

基　　金：supported by the Natural Science Foundation of China (Grant No.40972089);the Foundation of the State Key Laboratory of Petroleum Resources and Prospecting (Grant No.PRPDX2008-01) 摘　　要：The Markit Slope is an important area for the petroleum exploration in the Tarim Basin. Elucidation of the oil filling history of discovered oilfields has great significance for recognizing the accumulation processes of the whole region. Using molecular geochemistry, fluid inclusion techniques and basin modeling, we studied the oil filling process of the Bashituo Oilfield that is located in the west of the Markit Slope. The molecular migration indexes, such as the methyldibenzothiophene ratio (4-/1-MDBT), trimethylnaphthalene ratio (TMNr) and pyrrolic nitrogen compounds content, decrease from west to east, indicating that the charging direction and migration pathways are from west to east. Lithological analysis and homogenization temperatures of saline fluid inclusions accompanied with oil fluid inclusions suggest that two charging periods occurred in the Devonian oil reservoir. Combining the burial history and heating history of well BT4, Basinmod 1D software modeling shows the two oil filling periods are from 290 Ma to 285 Ma and from 10 Ma to 4 Ma, respectively, and later oil filling dominates. This study may be helpful to understand the accumulation process and provide useful references for oil and gas exploration in the Markit Slope. 关键词：麦盖提斜坡塔里木盆地中国石油油田分子地球化学流体包裹体积累过程迁移途径

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Oil filling history of the Bashituo Oilfield in the Markit Slope,SW Tarim Basin,China

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耦合文献(224)

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