冲积扇储层构型精细解剖方法--以克拉玛依油田六中区下克拉玛依组为例

J4 ›› 2010, Vol. 40 ›› Issue (4): 939-946.

冲积扇储层构型精细解剖方法--以克拉玛依油田六中区下克拉玛依组为例

伊振林¹|吴胜和²|杜庆龙¹|张保国³|岳大力²|李艳平⁴

1.大庆油田有限责任公司勘探开发研究院|黑龙江大庆 163712;
2.中国石油大学资源与信息学院|北京 102249;
3.中石油长庆油田公司勘探开发研究院|西安 710021;
4.中石油新疆油田公司勘探开发研究院|新疆克拉玛依 830013

收稿日期:2009-09-01 出版日期:2010-07-26 发布日期:2010-07-26
作者简介:伊振林(1976-)|男|吉林蛟河人|博士|主要从事储层地质学及油气藏描述方面的研究|E-mail:yzl_7675@sina.com
基金资助:
教育部博士点新教师基金项目（20090007120003）

An Accurate Anatomizing Method for Structure of Reservoir of Alluvial Fan:A Case Study on Lower Karamay Formation,Liuzhong Area,Karamay Oilfield

YI Zhen-lin¹,WU Sheng-he²,DU Qing-long¹, ZHANG Bao-guo³,YUE Da-li²,LI Yan-ping⁴

1.Exploration and Development Research Institute, Daqing Oilfield Company Ltd., Daqing,Heilongjiang 163712, China;
2.Faculty of Natural Resource and Information, China University of Petroleum|Beijing 102249, China;
3.Exploration and Development Research Institute, Changqing Oilfield Company,PetroChina,Xi’an 710021, China;
4.Exploration and Development Research Institute, Xinjing Oilfield Company,PetroChina,Karamay,Xinjiang 830013, China

Received:2009-09-01 Online:2010-07-26 Published:2010-07-26

摘要/Abstract

摘要：

为了深化对冲积扇储层内部结构和剩余油分布的认识，为开发后期井网调整和剩余油挖潜提供更准确的地质依据,以克拉玛依油田六中区为例，应用岩心、露头、测井及动态等资料，以层次分析、模式拟合的研究思路，对研究区储层特征进行了深入分析，提出了一套冲积扇储层构型解剖方法。经研究认为，研究区为冲积扇体的一部分,建立了该区冲积扇沉积模式。将冲积扇划分为4个相带：扇根、扇中内缘、扇中外缘和扇缘-湿地。扇根和扇中内缘砂砾岩体以连片状为主；扇中外缘以宽条带状为主；扇缘-湿地以窄条带状为主。将单一砂砾岩体叠置方式分为垂向叠置、侧向交错、侧向叠置、侧向分隔及侧向拼接5种叠置方式。利用密闭取心井资料，对储层精细解剖结果进行了验证，指出剩余油富集场所。在构型界面附近，剩余油富集。

关键词: 克拉玛依油田, 冲积扇, 储层构型, 沉积模式, 剩余油分布

Abstract:

In order to recognize the internal structure of the alluvial fan reservoir and distribution of remaining oil and provide a more accurate geological basis for the well pattern adjustment and the remaining oil potentiality of production tail in oilfield, the Liuzhong area of Karamay oilfield, as a case, is studied. Using the method of scale analysis and model fitting, the data of coring, outcrop, logging and performance, reservoir characteristics of alluvial fan in studied area is well researched. A comprehensive analysis method for reservoir architecture of alluvial fan is proposed. The result shows that the study area belongs to a part of the alluvial fan. The depositional model of alluvial fan was established. It can be divided into four zones, fanhead, intra middle fan, outer middle fan and fan margin-wetlands. The distribution of composite glutenite is divided into three patterns: a sheet distribution pattern in fanhead and intra middle fan, a broad ribbon distribution pattern in outer middle fan and a narrow ribbon distribution pattern in fan margin-wetlands. The overlying manners of a single conglomerate body are listed as five types, vertical-overlay, lateral-interleaving, lateral-overlying, lateral-separating, lateral-stitching.The quantitative scale of a single conglomerate body was established. The result of detailed architecture was verified by pressure coring well. Authors point out that the remaining oil is enriched near the sand body boundary.

Key words: Karamay oilfield, alluvial fan, reservoir architecture, depositional model, remaining oil distribution

中图分类号:

P618.13

伊振林, 吴胜和, 杜庆龙, 张保国, 岳大力, 李艳平. 冲积扇储层构型精细解剖方法--以克拉玛依油田六中区下克拉玛依组为例[J]. J4, 2010, 40(4): 939-946.

YI Zhen-lin, WU Sheng-he, DU Qing-long, ZHANG Bao-guo, YUE Da-li, LI Yan-Ping. An Accurate Anatomizing Method for Structure of Reservoir of Alluvial Fan:A Case Study on Lower Karamay Formation,Liuzhong Area,Karamay Oilfield[J]. J4, 2010, 40(4): 939-946.

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