冲积扇高分辨率层序地层分析——以辽河坳陷曙一区杜84块SAGD开发区馆陶组为例

doi:10.3969/j.issn.1673-8926.2017.03.008

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (3): 66–75.doi: 10.3969/j.issn.1673-8926.2017.03.008

冲积扇高分辨率层序地层分析——以辽河坳陷曙一区杜84块SAGD开发区馆陶组为例

李晨¹, 樊太亮¹, 高志前¹, 钱小会², 傅巍³

1. 中国地质大学(北京) 能源学院, 北京 100083;
2. 中国石油大庆油田有限责任公司采油三厂, 黑龙江大庆 163000;
3. 中国石油辽河油田分公司勘探开发研究院, 辽宁盘锦 124010

收稿日期:2016-05-11 修回日期:2016-06-29 出版日期:2017-05-21 发布日期:2017-05-21
通讯作者: 樊太亮(1961-),男,博士,教授,博士生导师,主要从事层序地层学及隐蔽油气藏勘探开发理论与技术方面的教学和科研工作。Email:fantl@cugb.edu.cn。 E-mail:fantl@cugb.edu.cn
作者简介:李晨(1989-),男,中国地质大学(北京)在读博士研究生,研究方向为层序地层学及油气田开发地质。地址:(100083)北京市海淀区学院路29号。Email:lichen19891007@163.com
基金资助:
国家自然科学基金项目“二次运移途中油气损失量估算方法研究与应用”（编号：41102078）资助

High-resolution sequence stratigraphy of alluvial fan: a case from Guantao Formation in SAGD development zone of Du 84 block, Shuyi area, Liaohe Depression

LI Chen¹, FAN Tailiang¹, GAO Zhiqian¹, QIAO Xiaohui², FU Wei³

1. School of Energy Resources, China University of Geosciences, Beijing 100083, China;
2. No. 3 Oil Production Plant, PetroChina Daqing Oilfield Company Ltd., Daqing 163000, Heilongjiang, China;
3. Research Institute of Exploration and Development, PetroChina Liaohe Oilfield Company, Panjin 124010, Liaoning, China

Received:2016-05-11 Revised:2016-06-29 Online:2017-05-21 Published:2017-05-21

摘要/Abstract

摘要： 为指导SAGD开发区油气开发及认识剩余油分布规律，应用高分辨率层序地层学方法，综合岩心、测井及地震资料，研究了辽河坳陷曙一区杜84块SAGD开发区馆陶组冲积扇储层层序分布模式。结果表明：馆陶组地层可划分为1个长期旋回，4个中期旋回及10个短期旋回，其中短期旋回按可容纳空间大小可划分为Ⅰ，Ⅱ，Ⅲ，Ⅳ和Ⅴ型；以中期旋回为等时单元，垂向上等时单元内形成的短期旋回类型与其在中期旋回中的位置有关，而中期旋回的保存程度又取决于其在长期旋回中的位置，侧向上等时单元内形成的短期旋回的可容纳空间顺物源方向逐渐增大。杜84块SAGD开发区馆陶组短期旋回类型与储层物性存在对应关系，较优的储层位置多处于中期基准面上升早中期的冲积扇扇根与扇中交界处或扇中前缘。

关键词: 坡折带, 砂体成因, 沟谷地貌, 下白垩统, 清水河组, 车排子地区, 准噶尔盆地

Abstract: In order to recognize the distribution of remaining oil and guide the oil development in SAGD (Steam Assisted Gravity Drainage)development zone,the data of core,well logs and seismic were applied to study the stratigraphic sequence model of Guantao Formation in SAGD development zone of Du 84 block,Shuyi area,Liaohe Depression. The results show that Guantao Formation could be divided into one long-term sequence cycle (LSC),four middle-term sequence cycles (MSC)and ten short-term sequence cycles (SSC). Based on accommodation changes,SSC types include typeⅠ, Ⅱ, Ⅲ,Ⅳ and Ⅴ. Based on MSC isochronous unit,vertically SSC type is related to its position in MSC. The preserve degree of MSC is controlled by its position in LSC,and MSC formed in the ascending hemicycle of LSC can preserve more different SSC types. In a single MSC,the accommodation of SSC would gradually increase along source direction. The SSC type in Guantao Formation is related to the reservoir physical properties. The position of high quality reservoir is located in the border between root-fan and middle-fan or in the intra-middle-fan,and this position is always formed in the early or middle stage in the ascending hemicycle of MSC.

Key words: slope break zone, sandbody origin, valley geomorphology, Lower Cretaceous, Qingshuihe Formation, Chepaizi area, Junggar Basin

中图分类号:

TE122.2

李晨, 樊太亮, 高志前, 钱小会, 傅巍. 冲积扇高分辨率层序地层分析——以辽河坳陷曙一区杜84块SAGD开发区馆陶组为例[J]. 岩性油气藏, 2017, 29(3): 66–75.

LI Chen, FAN Tailiang, GAO Zhiqian, QIAO Xiaohui, FU Wei. High-resolution sequence stratigraphy of alluvial fan: a case from Guantao Formation in SAGD development zone of Du 84 block, Shuyi area, Liaohe Depression[J]. Lithologic Reservoirs, 2017, 29(3): 66–75.

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冲积扇高分辨率层序地层分析——以辽河坳陷曙一区杜84块SAGD开发区馆陶组为例

High-resolution sequence stratigraphy of alluvial fan: a case from Guantao Formation in SAGD development zone of Du 84 block, Shuyi area, Liaohe Depression

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