四川盆地北部二叠系－三叠系沉积相与沉积演化

赵永庆; 熊治富; 刘雁婷; 季春辉; 邓金花; 谭钦银; 都占海

doi:10.3981/j.issn.1000-7857.2014.06.007

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科技导报 ›› 2014, Vol. 32 ›› Issue (6) : 45-53. DOI: 10.3981/j.issn.1000-7857.2014.06.007

研究论文

四川盆地北部二叠系－三叠系沉积相与沉积演化

作者信息 -

1. 中国石化勘探南方分公司, 成都610041;
2. 成都地质矿产研究所, 成都610081;
3. 中国石油海外勘探开发公司伊拉克公司鲁迈拉项目部, 盘锦124010

作者简介:

赵永庆，高级工程师，研究方向为沉积学，电子信箱：yongqingz@126.com

Sedimentary Facies and Evolution of the Permian and Triassic Strata in the North of Sichuan Basin

Author information -

1. Exploration Southern Company of Sinopec, Chengdu 610041, China;
2. Chengdu Institute of Geology and Mineral Resources, Chengdu 610081, China;
3. Rumaila Project Department of Iranian Company, Overseas Exploration and Development Company of PetroChina, Panjin 124010, China

摘要

通过钻井、露头、地震等资料分析，对四川盆地北部地区二三叠系沉积相进行详细研究，识别出碳酸盐岩台地、碳酸盐岩缓坡两大沉积体系，指出研究区二三叠系沉积具有典型的从碳酸盐岩缓坡演化为碳酸盐岩镶边台地沉积的演化过程，中二叠统栖霞组、茅口组及上二叠统吴家坪组发育碳酸盐岩缓坡沉积，上二叠统长兴组过渡为碳酸盐岩镶边台地，飞仙关组沉积末期全区演化为均一化台地。研究成果对本区油气勘探具有一定的参考价值。

Abstract

The sedimentary facies of the permian and triassic strata in the north of Sichuan Basin is detailedly studied on the basis of sedimentary facies of single wells, seismic data as well as surface outcrop data. Two depositional systems are recognized, and they are carbonate platform and carbonate ramp. On the basis of depositional facies analysis and comprehensive consideration of paleogeography, sedimentary environment, the sedimentary evolution of permian and triassic stratan is cleared. The process is from carbonate ramp to carbonate platform. The sedimentary system of lower Permian Qixia formation, Maokou formation and upper Permian Wujiaping formation are carbonate ramp, and the sedimentary system of changing formation is rimmed carbonate platform. Till the late Early Traissic Epoch, the north of the Sichuan basin evolved to uniform carbonate platform. The result may be a reference to the exploration of Sichuan Basin.

导出引用

赵永庆, 熊治富, 刘雁婷, 季春辉, 邓金花, 谭钦银, 都占海. 四川盆地北部二叠系－三叠系沉积相与沉积演化[J]. 科技导报, 2014, 32(6): 45-53 https://doi.org/10.3981/j.issn.1000-7857.2014.06.007

ZHAO Yongqing, XIONG Zhifu, LIU Yanting, JI Chunhui, DENG Jinhua, TAN Qinyin, DU Zhanhai. Sedimentary Facies and Evolution of the Permian and Triassic Strata in the North of Sichuan Basin[J]. Science & Technology Review, 2014, 32(6): 45-53 https://doi.org/10.3981/j.issn.1000-7857.2014.06.007

中图分类号： TE121.3

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