[an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive]
[an error occurred while processing this directive]

Marine Origin Petroleum Geology >

2025 , Vol. 30 >Issue 2: 147 - 156

DOI: https://doi.org/10.3969/j.issn.1672-9854.2025.02.005

Stratigraphic sequence evolution and oolitic shoal distribution of the Lower Triassic Feixianguan Formation in Pengxi-Yanting area, northwestern Sichuan Basin

  • LIN Chengcheng , 1 ,
  • LIU Hong , 1, 2, 3 ,
  • LIU Ran 4 ,
  • XU Chang 4 ,
  • TAN Lei 1, 2 ,
  • WANG Dong 1, 2 ,
  • ZHANG Kun 1, 2
Expand
  • 1. School of Geoscience and Technology, Southwest Petroleum University
  • 2. Southwest Petroleum University Division of Key Laboratory of Carbonate Reservoirs, CNPC
  • 3. Sichuan Key Laboratory of Natural Gas Geology
  • 4. Exploration and Development Research Institute, PetroChina Southwest Oil & Gas Field Company
LIU Hong, PhD, Professor, mainly engaged in research on seismic sedimentology and reservoir geology. Add: No. 8 Xindu Avenue, Xindu District, Chengdu, Sichuan 610500, China. E-mail:

LIN Chengcheng, MSc, mainly engaged in research on reservoir geology and seismic prediction. Add: No. 8 Xindu Avenue, Xindu District, Chengdu, Sichuan 610500, China. E-mail:

Received date: 2024-12-20

  Revised date: 2025-01-14

  Online published: 2025-05-13

Fold

Abstract

Abundant oil and gas discoveries have been made in the platform edge oolitic shoals of the Lower Triassic Feixianguan Formation in Sichuan Basin. In order to further promote the research and exploration of the inner platform oolitic shoal, based on drilling, logging, and three-dimension seismic data, the sequence characteristics, sequence evolution and oolitic shoal distribution pattern of the Feixianguan Formation in Pengxi-Yanting area, northwestern Sichuan Basin are studied. The results show that: (1) The Feixianguan Formation can be generally divided into three third-order sequences (SQ1, SQ2, SQ3), with typical rock electrical characteristics and seismic response of each sequence boundary. SB1, SB2, and SB3 are all lithological discontinuity surfaces, corresponding to reflection peaks; SB4 is the lithological conversion surface, corresponding to the reflection trough. The four interfaces exhibit abrupt changes in logging responses such as natural gamma and interval transit time. (2) During the deposition period of SQ1 in the study aera, the terrain slope was relatively steep, with a high-angle S-shaped progradational reflection structure. Mainly controlled by the sea-level fluctuation cycle of high-frequency sequences, a high-frequency restricted oolitic shoal sedimentary pattern was developed, in which the deposition scale of a single-stage shoal body was small, and the shoal bodies migrated rapidly in the horizontal direction towards northwest. (3) During the deposition period of the SQ2, the platform depression was basically filled, the overall terrain slope was relatively gentle, and the sequence had a low-angle progradational reflection structure. Controlled by the sea-level fluctuation cycle of third-order sequences, a stable and widely distributed oolitic shoal sedimentary pattern was developed, and the single-stage shoal body had a relatively large thickness and a stable planar distribution. (4) The SQ3 sequence had a continuous parallel reflection structure, and restricted-evaporative platform facies was developed, characterized by interbedded mudstone and dolomite gypsum with uniform thickness. This study could provide a geological basis for the fine exploration and efficient development of oolitic shoal reservoirs within the platform of the Feixianguan Formation in northwestern Sichuan Basin.

Key words： sequence; carbonate rock; oolitic shoal; sedimentary model; Feixianguan Formation; Sichuan Basin

Cite this article

LIN Chengcheng , LIU Hong , LIU Ran , XU Chang , TAN Lei , WANG Dong , ZHANG Kun . Stratigraphic sequence evolution and oolitic shoal distribution of the Lower Triassic Feixianguan Formation in Pengxi-Yanting area, northwestern Sichuan Basin[J]. Marine Origin Petroleum Geology, 2025 , 30(2) : 147 -156 . DOI: 10.3969/j.issn.1672-9854.2025.02.005

[an error occurred while processing this directive]

References

Publishing order | Descend order by publishing year | Descend order by cited within
[1]
文龙, 张本健, 陈骁, 等. 四川盆地二叠、三叠系构造-沉积特征及有利勘探区带[J]. 天然气勘探与开发, 2023, 46(4): 1-12.

DOI

WEN Long, ZHANG Benjian, CHEN Xiao, et al. Permian and Triassic in Sichuan Basin: tectono-sedimentary characteristics and favorable exploration belts[J]. Natural gas exploration and development, 2023, 46(4): 1-12.

DOI

[2]
王一刚, 洪海涛, 夏茂龙, 等. 四川盆地二叠、三叠系环海槽礁、滩富气带勘探[J]. 天然气工业, 2008(1): 22-27, 161-162.

WANG Yigang, HONG Haitao, XIA Maolong, et al. Exploration of reef-bank gas reservoirs surrounding Permian and Triassic troughs in Sichuan Basin[J]. Natural gas industry, 2008(1): 22-27, 161-162.

[3]
杨伟强, 吕立爽, 周艳娜, 等. 普光地区飞仙关组台缘滩储层发育机理与差异分布规律[J]. 断块油气田, 2023, 30(6): 954-962.

YANG Weiqiang, LÜ Lishuang, ZHOU Yanna, et al. Development mechanism and differential distribution of platform margin shoal reservoirs of the Feixianguan Formation in Puguang area[J]. Fault-block oil and gas field, 2023, 30(6): 954-962.

[4]
马永生, 蔡勋育, 赵培荣. 元坝气田长兴组—飞仙关组礁滩相储层特征和形成机理[J]. 石油学报, 2014, 35(6): 1001-1011.

DOI

MA Yongsheng, CAI Xunyu, ZHAO Peirong. Characteristics and formation mechanisms of reef-shoal carbonate reservoirs of Changxing-Feixianguan Formations, Yuanba gas field[J]. Acta petrolei sinica, 2014, 35(6): 1001-1011.

DOI

[5]
郑伟, 周静, 易澜. 渡口河、 罗家寨气田飞仙关组气藏已获气井产能分析[J]. 天然气工业, 2003, 23(6): 160-161.

ZHENG Wei, ZHOU Jing, YI Lan. Analysis of gas well productivity in Feixianguan Formation gas reservoir of Dukouhe and Luojiazhai gas fields[J]. Natural gas industry, 2003, 23(6): 160-161.

[6]
文雯, 杨西燕, 向曼, 等. 四川盆地开江—梁平海槽东侧三叠系飞仙关组鲕滩储层特征及控制因素[J]. 岩性油气藏, 2023, 35(2): 68-79.

DOI

WEN Wen, YANG Xiyan, XIANG Man, et al. Characteristics and main controlling factors of oolitic shoal reservoirs of Triassic Feixianguan Formation in eastern Kaijiang-Liangping trough, Sichuan Basin[J]. Lithologic reservoirs, 2023, 35(2): 68-79.

DOI

[7]
王一刚, 文应初, 洪海涛, 等. 四川盆地北部晚二叠世—早三叠世碳酸盐岩斜坡相带沉积特征[J]. 古地理学报, 2009, 11(2): 143-156.

DOI

WANG Yigang, WEN Yingchu, HONG Haitao, et al. Carbonate slope facies sedimentary characteristics of the Late Permian to Early Triassic in northern Sichuan Basin[J]. Journal of palaeogeography, 2009, 11(2): 143-156.

DOI

[8]
谭秀成, 牟晓慧, 罗冰, 等. 四川盆地南部下三叠统飞仙关组一段台内鲕滩的主控因素[J]. 古地理学报, 2010, 12(1): 49-55.

TAN Xiucheng, MOU Xiaohui, LUO Bing, et al. Main controlling factors for intraplatform oolitic bank of the Member 1 of Lower Triassic Feixianguan Formation in southern Sichuan Basin[J]. Journal of palaeogeography, 2010, 12(1): 49-55.

[9]
赫云兰, 付孝悦, 刘波, 等. 川东北飞仙关组鲕滩沉积与成岩对储集层的控制[J]. 石油勘探与开发, 2012, 39(4): 434-443.

HE Yunlan, FU Xiaoyue, LIU Bo, et al. Control of oolitic beaches sedimentation and diagenesis on reservoirs in Feixianguan Formation, northeastern Sichuan Basin[J]. Petroleum exploration and development, 2012, 39(4): 434-443.

[10]
李宏涛, 龙胜祥, 吴世祥, 等. 川西坳陷飞仙关组三段鲕滩储层特征与成岩作用研究[J]. 天然气工业, 2010, 30(7): 7-12.

LI Hongtao, LONG Shengxiang, WU Shixiang, et al. Diagenesis and characteristics of oolitic beach carbonate reservoirs in the third member of the Feixianguan Formation in West Sichuan Depression[J]. Natural gas industry, 2010, 30(7): 7-12.

[11]
徐敏, 梁虹, 王兰英, 等. 四川盆地飞仙关组多期鲕滩储层分布特征及迁移模式[J]. 石油物探, 2021, 60(3): 496-504.

DOI

XU Min, LIANG Hong, WANG Lanying, et al. Spatial distribution and migration model of the Feixianguan oolitic shoal reservoir in Sichuan Basin, China[J]. Geophysical prospecting for petroleum, 2021, 60(3): 496-504.

DOI

[12]
周路, 钱妤婕, 吴勇, 等. 基于有利相带约束下的鲕粒滩薄储层地震预测: 以川西北九龙山地区飞仙关组二段为例[J]. 天然气地球科学, 2021, 32(10): 1532-1545.

DOI

ZHOU Lu, QIAN Yujie, WU Yong, et al. Seismic prediction of oolitic beach thin-bed reservoir based on favorable facies belt constraints: a case study of the second member of Feixianguan Formation in Jiulongshan area, northwestern Sichuan[J]. Natural gas geoscience, 2021, 32(10): 1532-1545.

DOI

[13]
陶夏妍, 黄天俊, 张艺华, 等. 四川盆地东北部三叠系飞仙关组迁移型鲕滩层序地层分析及相控储层预测[J]. 特种油气藏, 2023, 30(6): 62-71.

DOI

TAO Xiayan, HUANG Tianjun, ZHANG Yihua, et al. Sequence stratigraphical analysis and facies-controlled reservoir prediction of migratory oolitic shoal in Triassic Feixianguan Formation, northeastern Sichuan Basin[J]. Special oil & gas reservoirs, 2023, 30(6): 62-71.

[14]
郝毅, 姚倩颖, 田瀚, 等. 四川盆地二叠系茅口组沉积特征及储层主控因素[J]. 海相油气地质, 2020, 25(3): 202-209.

HAO Yi, YAO Qianying, TIAN Han, et al. Sedimentary characteristics and reservoir-controlling factors of the Permian Maokou Formation in Sichuan Basin[J]. Marine origin petroleum geology, 2020, 25(3): 202-209.

[15]
马德芹, 田景春, 林小兵, 等. 四川盆地二叠系长兴组生物礁发育的差异性及控制因素[J]. 石油与天然气地质, 2020, 41(6): 1176-1187.

MA Deqin, TIAN Jingchun, LIN Xiaobing, et al. Differences and controlling factors of Changxing Formation reefs of the Permian in the Sichuan Basin[J]. Oil & gas geology, 2020, 41(6): 1176-1187.

[16]
陈洪德, 钟怡江, 侯明才, 等. 川东北地区长兴组—飞仙关组碳酸盐岩台地层序充填结构及成藏效应[J]. 石油与天然气地质, 2009, 30(5): 539-547.

CHEN Hongde, ZHONG Yijiang, HOU Mingcai, et al. Sequence styles and hydrocarbon accumulation effects of carbonate rock platform in the Changxing-Feixianguan Formations in the northeastern Sichuan Basin[J]. Oil & gas geology, 2009, 30(5): 539-547.

[17]
孙自明, 卞昌蓉, 刘光祥. 峨眉山地幔柱主要研究进展及四川盆地二叠纪成盆动力学机制[J]. 现代地质, 2023, 37(5): 1089-1099.

SUN Ziming, BIAN Changrong, LIU Guangxiang. Advances on the understanding in the Emeishan mantle plume and dynamic mechanism of the Permian Sichuan Basin formation[J]. Geoscience, 2023, 37(5): 1089-1099.

[18]
戴荔果, 郑荣才, 李爽, 等. 川东—渝北地区飞仙关组层序-岩相古地理特征[J]. 中国地质, 2009, 36(1): 110-119.

DAI Liguo, ZHENG Rongcai, LI Shuang, et al. Sequence-based lithofacies and paleogeography of Lower Triassic Feixianguan Formation in eastern Sichuan and northern Chongqing area[J]. Geology in China, 2009, 36(1): 110-119.

[19]
完颜泽, 王明磊, 郑超, 等. 川西北部地区飞仙关组层序地层格架及镶边台地沉积演化[J]. 断块油气田, 2022, 29(5): 633-640.

WANYAN Ze, WANG Minglei, ZHENG Chao, et al. Sequence stratigraphic framework and rimmed platform sedimentary evolution of Feixianguan Formation in northwestern Sichuan Basin[J]. Fault-block oil and gas field, 2022, 29(5): 633-640.

[20]
王兆鹏, 邢凤存, 古强, 等. 川西北开江—梁平海槽与蓬溪—武胜台凹交汇区长兴组—飞仙关组沉积相展布与演化[J/OL]. 沉积学报: 1-21 (2024-10-29) [2025-01-09]. https://doi.org/10.14027/j.issn.1000-0550.2024.099.

WANG Zhaopeng, XING Fengcun, GU Qiang, et al. Distribution and evolution of sedimentary facies of the Changxing Formation-Feixianguan Formation in the confluence area of the Kaijiang-Liangping trough and Pengxi-Wusheng trough in northwest Sichuan[J/OL]. Acta sedimentologica sinica: 1-21 (2024-10-29) [2025-01-09]. https://doi.org/10.14027/j.issn.1000-0550.2024.099.

[21]
冯林杰, 蒋裕强, 刘菲, 等. 川东地区开江—梁平海槽南段飞仙关组鲕滩储层特征及主控因素[J]. 石油学报, 2021, 42(10): 1287-1298.

DOI

FENG Linjie, JIANG Yuqiang, LIU Fei, et al. Reservoir characteristics and main controlling factors of oolitic shoal reservoir in Feixianguan Formation in the southern part of Kaijiang-Liangping trough, eastern Sichuan Basin[J]. Acta petrolei sinica, 2021, 42(10): 1287-1298.

DOI

[22]
郑荣才, 罗平, 文其兵, 等. 川东北地区飞仙关组层序-岩相古地理特征和鲕滩预测[J]. 沉积学报, 2009, 27(1): 1-8.

ZHENG Rongcai, LUO Ping, WEN Qibing, et al. Characteristics of sequence-based lithofacies and paleogeography, and prediction of oolitic shoal of the Feixianguan Formation in the northeastern Sichuan[J]. Acta sedimentologica sinica, 2009, 27(1): 1-8.

[23]
李国军, 郑荣才, 唐玉林, 等. 川东北地区飞仙关组层序-岩相古地理特征[J]. 岩性油气藏, 2007, 19(4): 64-70.

LI Guojun, ZHENG Rongcai, TANG Yulin, et al. Sequence-based lithofacies and paleogeography of Lower Triassic Feixianguan Formation in northeastern Sichuan Basin[J]. Lithologic reservoirs, 2007, 19(4): 64-70.

DOI

[24]
谭先锋, 李洁, 何金平, 等. 开江—梁平海槽区带南段飞仙关组层序-岩相古地理特征[J]. 中国地质, 2012, 39(3): 612-622.

TAN Xianfeng, LI Jie, HE Jinping, et al. Sequence-lithofacies paleogeographic characteristics of Feixianguan Formation in southern sector of Kaijiang-Liangping ocean trough[J]. Geology in China, 2012, 39(3): 612-622.

[25]
张奇, 屠志慧, 饶雷, 等. 四川川中地区晚二叠世蓬溪—武胜台凹对台内生物礁滩分布的控制作用[J]. 天然气勘探与开发, 2010, 33(4): 1-4, 7.

ZHANG Qi, TU Zhihui, RAO Lei, et al. Control of Later Permian Pengxi-Wusheng depressional platform on bioreef and shoal distribution within platform, central Sichuan Basin[J]. Natural gas exploration and development, 2010, 33(4): 1-4, 7.

Options
Outlines

/

〈 〉

[an error occurred while processing this directive]