断陷湖盆深水重力流水道的识别标志及沉积模式——以歧口凹陷歧南斜坡沙一段为例

doi:10.13278/j.cnki.jjuese.201503105

摘要/Abstract

摘要：

以歧口凹陷歧南斜坡沙一段的深水厚层砂岩为研究对象,运用地震沉积学基本理论和方法,通过古地貌分析约束物源方向,结合岩心观测描述确定沉积相类型,应用地层切片、反演与三维可视化技术确定空间形态。结果表明:该区广泛发育的深水厚层砂岩为重力流水道沉积,包括滑塌岩、砂质碎屑流砂体与浊积岩3种类型重力流沉积的组合;顺北东向展布的断槽内呈大型条带状展布,可划分为水道中心微相、水道边缘微相和水下漫溢微相;岩心中可识别出7种岩相类型。在沉积特征分析的基础上,建立了发育于斜坡且由顺源断层控制的重力流沉积模式,分析了歧南斜坡重力流水道的成因及其油气成藏特征。研究认为重力流水道是该区一类重要的储集体,具有良好的成藏条件,该成果扩大了歧口凹陷油气勘探领域。

关键词: 断陷湖盆, 重力流水道, 地震沉积学, 沉积模式, 歧口凹陷

Abstract:

Case study on the thick layer sandstone of the First Member of Shahejie Formation in Qinan slope, the authors analyzed the distribution characteristics of gravity flow channel in the continental rifted lake basin by the ideas and methods of seismic sedimentology. Combined with the regional geological setting, restaint provenance source, and core observation the types of sedimentary facies, stratal slice, seismic inversion and 3D visualization are determined. According to the study, the sand body should be the gravity flow channel sediments which could be the combination of slump rock, sandy debris flow, and turbidity flow. The gravity current sediment bands distribute along the half graben like faulted trough. In terms of the depositonal regime of gravity flow channel,the turbidity channel is subdivided into three types of microfacies: central channel,channel margin,and subaqueous overflow. A depositional model is established based on the integrated studies. Six lithological facies are recognized in the rock core. The authors discussed the genesis of gravity flow channel and analyzed its pool-formed characteristics. It is revealed that the gravity channel is an important reservoir with a good pool-formation combination and exploration potential in this area. This study indicates a new oil & gas exploring realm in Qikou sag.

Key words: rifted lake basin, gravity flow channel, seismic sedimentology, depositional model, Qikou sag

中图分类号:

P618.13

张晶, 刘化清, 李双文, 冀虎山, 袁淑琴, 洪忠. 断陷湖盆深水重力流水道的识别标志及沉积模式——以歧口凹陷歧南斜坡沙一段为例[J]. 吉林大学学报(地球科学版), 2015, 45(3): 701-711.

Zhang Jing, Liu Huaqing, Li Shuangwen, Ji Hushan, Yuan Shuqin, Hong Zhong. Identification Marks and Depositional Model of Gravity Flow Channel in Continental Rifted Lake Basin:A Case of the First Member of Shahejie Formation in Qinan Slope, Qikou Sag[J]. Journal of Jilin University(Earth Science Edition), 2015, 45(3): 701-711.

参考文献

[1] 方爱民,李继亮,侯泉林.浊流及相关重力流研究综述[J].地质论评,1998, 44(3): 270-280. Fang Aimin, Li Jiliang, Hou Quanlin. Reviews on the Study of Turbidity Currents andRelevant Gravity Flows[J].Geological Review,1998,44(3):270-280.

[2] 洪庆玉.沉积物重力流地质学[M].成都:成都科技大学出版社,1992. Hong Qingyu. Geology of Gravity Flow of Sediments[M]. Chengdu: Chengdu Science and Technology University Press, 1992.

[3] 张晶,王伟锋,荣启宏,等.东营凹陷永55区块沙四上亚段深水浊积扇沉积与油气[J].吉林大学学报:地球科学版,2007,37(3):519-524. Zhang Jing, Wang Weifeng, Rong Qihong, et al. Deep-Water Turbidite Fan Deposits and Relation to Hybrocarbon of the Upper Sha-4 of Shahejie Formation at Yong55 Block in Dongying Sag[J].Journal of Jilin University: Earth Science Edition,2007,37(3):519-524.

[4] 刘长利,朱筱敏,胡有山,等.地震沉积学在识别陆相湖泊浊积砂体中的应用[J].吉林大学学报:地球科学版, 2011,41(3):657-664. Liu Changli, Zhu Xiaomin, Hu Youshan, et al. Application of Seismic Sedimentology on Lacustrine Turbidite Deposition Indetification[J]. Journal of Jilin University: Earth Science Edition, 2011,41(3):657-664.

[5] Hein F J, Wslker R G. The Cambre-Ordoviciane Cap Enrage Formation, Quebee, Canada: Conglomeratie Deposits of a Braided Submarine Channel with Terraces[J]. Sedimentology, 1982, 29(3): 309-330.

[6] Hsu K J, Kelts K, James W V. Resedimented Facies in Ventura Basin, California and Model of Longitudinal Transport of Turbidity Currents[J]. AAPG Bulletin, 1980, 64(7): 1034-1045.

[7] Cronina B T, Hursta A, Celikb H, et al. Superb Exposure of a Channel, Levee and over Bank Complex in an Ancient Deep Water Slope Environment[J].Sedimentary Geology,2000,132(4): 205-216.

[8] 朱筱敏,熊继辉,刘泽容,等.东濮凹陷轴向重力流沉积研究[J].石油大学学报:自然科学版, 1991,15(5):1-10. Zhu Xiaomin, Xiong Jihui, Liu Zerong, et al. Axial Gravity Flow Deposit in Dongpu Depression[J].Journal of the University of Petroleum,China: Edition of Natural Science, 1991,15(5):1-10.

[9] 周士科,徐长贵.轴向重力流沉积:一种重要的深水储层:以东海盆地丽水凹陷明月峰组为例[J].地质科技情报,2006,25(5):57-62. Zhou Shike, Xu Changgui. One Kind of Important Deep Water Reservoir: The Longitudinal Gravity Currents Sediments: A Case Study in Mingyuefeng Formation in Lishui Sag, East China Sea Basin[J]. Geological Science and Technology Information,2006,25(5):57-62.

[10] 付锁堂,邓秀芹,庞锦莲. 晚三叠世鄂尔多斯盆地湖盆沉积中心厚层砂体特征及形成机制分析[J].沉积学报,2010,28(6):1081-1089. Fu Suotang, Deng Xiuqin, Pang Jinlian. Characteristics and Mechanism of Thick Sandbody of Yanchang Formation at the Centre of Ordos Basin[J]. Acta Sedimentologica Sinica, 2010,28(6):1081-1089.

[11] 邹才能, 赵政璋, 杨华,等.陆相湖盆深水砂质碎屑流成因机制与分布特征: 以鄂尔多斯盆地为例[J]. 沉积学报, 2009,27(6): 1065-1073. Zou Caineng, Zhao Zhengzhang, Yang Hua, et al. Genetic Mechanism and Distribution of Sandy Debris Flows in Terrestrial Lacustrine Basin[J]. Acta Sedimentologica Sinica, 2009,27(6): 1065-1073.

[12] 郑荣才,郑哲, 高博禹,等. 珠江口盆地白云凹陷珠江组海底扇深水重力流沉积特征[J].岩性油气藏,2013,25(2):1-8. Zheng Rongcai, Zheng Zhe, Gao Boyu, et al. Sedimentary Features of the Gravity Flows in Submarine Fan of Zhujiang Formation in Baiyun Sag, Pearl River Mouth Basin[J]. Lithologic Reservoirs,2013,25(2):1-8.

[13] 王大伟,吴时国, 秦志亮,等. 南海陆坡大型块体搬运体系的结构与识别特征[J].海洋地质与第四纪地质,2009,29(5):65-72. Wang Dawei, Wu Shiguo, Qin Zhiliang, et al. Architecture and Identification of Large Quaternary Masstransport Depositions in the Slope in the Slope of South China Sea[J]. Marine Geology & Quaternary Geology,2009,29(5):65-72.

[14] 李磊, 王英民,张莲美,等. 块体搬运复合体的识别、演化及其油气勘探意义[J].沉积学报,2010,28(1):76-82. Li Lei, Wang Yingmin, Zhang Lianmei,et al. Identification and Evolution of Mass Transport Complexes and Its Significance for Oil and Gas Exploration[J]. Acta Sedimentologica Sinica, 2010,28(1):76-82.

[15] 刘正华,杨香华,汪贵峰,等. 歧南凹陷沙河街组重力流水道砂体成岩作用和孔隙演化模式[J].沉积学报,2007,25(2):183-189. Liu Zhenghua, Yang Xianghua, Wang Guifeng, et al. Pattern of Pore Evolution and Diagenesis of Sandstone from Gravity Flow Channel of Shahejie Formation in Qinan Sag[J].Acta Sedimentologica Sinica, 2007,25(2):183-189.

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