| 新疆西部苏盖特构造带构造特征及勘探前景 |
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| 引用本文： | 吴超,尚新璐,陈军,王晓云.新疆西部苏盖特构造带构造特征及勘探前景[J].地质科学,2004,39(4):571-579. |
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| 作者姓名： | 吴超 尚新璐 陈军 王晓云 |
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| 作者单位： | 中国石油天然气股份有限公司塔里木油田分公司,新疆,库尔勒,841000;中国石油天然气股份有限公司塔里木油田分公司,新疆,库尔勒,841000;中国石油天然气股份有限公司塔里木油田分公司,新疆,库尔勒,841000;中国石油天然气股份有限公司塔里木油田分公司,新疆,库尔勒,841000 |
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| 摘 要： | 苏盖特构造带位于新疆昆仑山弧形推覆体前缘.本文通过研究苏盖特构造带的构造特征,确定了地震反射层的地质属性,认为苏盖特构造带由表层推覆体及下部下第三系-二叠系之间的地层经过3次重复形成的叠瓦状推覆体构成.苏盖特构造带活动始于上新世阿图什组沉积期,定型于更新世.通过研究西昆仑逆冲推覆体及已钻探井的地表油源、储层特征及储盖组合,认为苏盖特构造带具有两套好的油源即石炭-二叠系及侏罗系油源,两套好的储集层即白垩系和下第三系储层,相应地,发育两套储盖组合,具有良好的圈闭及运聚条件,是有利的勘探目标区.
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| 关 键 词： | 苏盖特构造带 断层传播褶皱 平衡剖面 烃源岩 储层 |
| 文章编号： | 0563-5020(2004)04-0571-09 |
| 收稿时间： | 2004-01-14 |
| 修稿时间： | 2004年1月14日 |
TECTONIC FEATURES AND POTENTIALS OF THE SUGAITE STRUCTURAL BELT IN WEST XINJIANG |
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| Wu Chao,Shang Xinlu,Chen Jun,Wang Xiaoyun.TECTONIC FEATURES AND POTENTIALS OF THE SUGAITE STRUCTURAL BELT IN WEST XINJIANG[J].Chinese Journal of Geology,2004,39(4):571-579. |
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| Authors: | Wu Chao Shang Xinlu Chen Jun Wang Xiaoyun |
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| Institution: | Tarim Oil Field Branch Company, China National Petroleum Corp., Korla, Xinjiang 841000 |
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| Abstract: | The Sugaite structural belt in west Xinjiang was located at the front of arcuate nappe outliers of the Kunlun Mountains. East of it was the Qimugen Salient of the Southwest Depression, Tarim Basin. Based on determinations of the geological attribute of seismic reflectors, the paper studied structure features of the Sugaite structural belt, and thought that the belt was composed of nappe outliers in the surface and three imbricated thrust sheets consiting of the Permian to Paleogene strata in the deeper. The structure deformation started in Teriary (Pliocene when the Artushi Formation deposited), and the structural belt created in Pleistocene of Quaternary. To synthesize the thrust-nappe outlier structures in West Kunlun Mountains and the data of sources rocks and reservoirs from the drilling wells, it was represented that the Sugaite structural belt had two good beds of source rocks: the Carbono-Permian and Jurassic, two good layers of reservoir: the Cretaceous and Paleogene, and correspondingly, two reservoir-cap rock associations. Furthermore, the trap and migration conditions there were relatively good, so the Sugaite structural belt might be a prospective area for oil-gas exploration. |
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| Keywords: | The Sugaite structural belt Fault propagation fold Equilibrium profile Source rocks Oil reservoir |
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