| 塔里木盆地西部层序地层格架控制下的石炭系沉积成岩演化特征 |
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| 引用本文： | 王琪, 陈国俊, 薛莲花, 史基安. 塔里木盆地西部层序地层格架控制下的石炭系沉积成岩演化特征[J]. 石油实验地质, 2003, 25(1): 39-44. doi: 10.11781/sysydz200301039 |
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| 作者姓名： | 王琪 陈国俊 薛莲花 史基安 |
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| 作者单位： | 中国科学院, 兰州地质研究所, 气体地球化学国家重点实验室, 甘肃, 兰州, 730000 |
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| 基金项目： | 中国科学院资源环境领域知识创新工程重大项目(KZCX2-111)，国家973重点基础研究发展规划项目(G1999043300). |
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| 摘 要： | 根据高频旋回层序在长周期旋回层序内的有序叠加方式可在研究区石炭系中划分出3个Ⅲ级旋回层序和2个Ⅱ级旋回层序.其中Ⅲ3和Ⅲ3旋回层序为海侵体系域,Ⅲ2为高水位体系域,它们共同构成了研究区的层序地层格架并且控制着沉积相和生储盖组合的时空展布特征.由于受成岩历史差异性和不同成岩环境的影响,石炭系碎屑岩和碳酸盐岩储集岩成岩特征和储集性能在巴楚隆起区和麦盖提斜坡区均存在明显差异,且分布在斜坡区的储层物性明显优于隆起区同层位的储层,是近期有利的的勘探区域.
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| 关 键 词： | 层序地层格架 沉积成岩演化 石炭系 塔里木盆地西部 |
| 文章编号： | 1001-6112(2003)01-0039-06 |
| 收稿时间： | 2001-11-07 |
| 修稿时间： | 2002-12-10 |
EVOLUTIONARY CHARACTERISTICS OF THE CARBONIFEROUS SEDIMENTATION AND DIAGENESIS CONTROLLED BY THE SEQUENCE STRATIGRAPHIC FRAMEWORK OF THE WEST TARIM BASIN |
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| WANG Qi, CHEN Guo-jun, XUE Lian-hua, SHI Ji-an. EVOLUTIONARY CHARACTERISTICS OF THE CARBONIFEROUS SEDIMENTATION AND DIAGENESIS CONTROLLED BY THE SEQUENCE STRATIGRAPHIC FRAMEWORK OF THE WEST TARIM BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2003, 25(1): 39-44. doi: 10.11781/sysydz200301039 |
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| Authors: | WANG Qi CHEN Guo-jun XUE Lian-hua SHI Ji-an |
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| Affiliation: | State Key Laboratory of Gas Geochemistry, Lanzhou Institute of Geology, CAS, Lanzhou, Gansu 730000, China |
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| Abstract: | According to the ordered superimposed styles of high frequency cyclic sequences within long period cyclic sequences,three Ⅲ order cyclic sequences and two Ⅱ order cyclic sequenes were divided in the Carboniferous of the study area.Among them,Ⅲ 1 and Ⅲ 3 cyclic sequences belong to the transgressive tract system,and Ⅲ 2 belongs to the highstand tract system.They constitute together the sequence stratigraphic framework of the study area and control the space time distributive characteristics of sedimentary facies and source rock reservoir cap rock assemblages.As affected by the differences of diagenetic history and different diagenetic environments,the diagenetic characteristics and storage peformances of the Carboniferous clastic and carbonate reservoir rocks have obvious differences between the Bachu Uplifting area and the Maigaiti Slope area.Besides,the reservoirs distributing in the slope area have obviously better physical properties than those in the same formations of the uplifting area,and are the favorable exploration targets in the near future. |
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| Keywords: | WT5BZ]sequence stratigraphic framework sedimentary and diagenetic evolution Carboniferous the West Tarim Basin |
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