博乐盆地生油岩评价

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英文篇名：EVALUATION ON THE OIL SOURCE ROCK IN BOLE BASIN OF XINJIANG 中文刊名：新疆地质 英文刊名：XINJIANG GEOLOGY 作者：岳建华 ; 虎北辰 ; 云露 英文作者：Yue Jianhua\ Hu Beichen\ Yun Lu (Northwest Bureau of Petroleum under CNSPC ; Urumqi\ 830011) 中文关键词：博乐盆地 ; 生油岩 ; 有机质丰度 ; 有机质成熟度 英文关键词：Bole basin \ oil source rock abandance of organic matter \ maturity of organic matter 出版日期：1999-03-30 机构：新星石油公司西北石油局规划设计研究院 年：1999 期：01 出版单位：新疆地质

摘要

博乐盆地及其周边地区存在四套生油层系，为石炭系生油岩、下二叠统生油岩、上二叠统生油岩和下、中侏罗统生油岩。石炭系生油岩在全盆地分布广泛，为基底生油岩，已处于高成熟—过成熟阶段，生油潜力很小，对盆地生油贡献甚微；下二叠统生油岩，处于成熟—高成熟阶段，为现实烃源岩；盆地南缘南山煤矿一带，曾是晚二叠世的凹陷区（其凹陷局限），上二叠统生油岩已成熟；盆地西北缘的中、下侏罗统生油岩处于未成熟—低成熟阶段，为潜在烃源岩。据钻井、地震资料证实，盆地缺失上二叠统生油岩。只有下二叠统和下、中侏罗统生油岩是能给盆地作贡献的生油岩
There are 4 oil source horizons which are Carboniferous,Lower permian ,Upper Permian and Lower Middle Jurassic in Bole basin and its adjacent regions.The Carboniferous source rock is widely distributed in the basin.It belongs to basemental source rock and a high overmaturated stage.the oil generating potential is quite small and contribute little to the basin .The Lower Permian source rock is in a maturated high maturated stage,it′s the current oil source rock.At the south margin of the basin and around Nanshan Coal Mine ,where used to be a depression of Late Permian,the Upper Permian source rock has become maturated.The Middle Lower Jurassic source rock distributed in the northwest margin of the basin is in a under matarated low maturated stage ,it is the potential oil source rock.Based on the drilling and seismic data ,there is no Upper Permian sourec rock in the basin,only Lower Permian and Lower Middle Jurassic contribute the basin with oil source rock.

引文

1新疆区域地层表编写组．西北地区区域地层表．北京：地质出版社，1981