石油勘探与开发 >

2016 , Vol. 43 >Issue 3: 433 - 441

DOI: https://doi.org/10.11698/PED.2016.03.14

油气田开发

砂体构型特征与剩余油分布模式——以哈萨克斯坦南图尔盖盆地Kumkol South油田为例

  • 赵伦 ,
  • 梁宏伟 ,
  • 张祥忠 ,
  • 陈礼 ,
  • 王进财 ,
  • 曹海丽 ,
  • 宋晓威
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  • 1. 中国石油勘探开发研究院；
    2. 中国石油天然气勘探开发公司
赵伦（1970-）,男,重庆南川人,中国石油勘探开发研究院高级工程师,主要从事油藏描述、油气田开发方面的研究工作。地址：北京市海淀区学院路20号,中国石油勘探开发研究院中亚俄罗斯研究所,邮政编码：100083。E-mail：zhaolun@cnpcint.com

网络出版日期: 2017-01-01

基金资助

中国石油天然气集团公司重大专项（2011E-2506）

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Relationship between sandstone architecture and remaining oil distribution pattern: A case of the Kumkol South oilfield in South Turgay Basin, Kazakstan

  • ZHAO Lun ,
  • LIANG Hongwei ,
  • ZHANG Xiangzhong ,
  • CHEN Li ,
  • WANG Jincai ,
  • CAO Haili ,
  • SONG Xiaowei
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  • 1. PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China;
    2. CNODC, CNPC, Beijing 100034, China

Online published: 2017-01-01

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摘要

以哈萨克斯坦南图尔盖盆地Kumkol South油田为例,通过对曲流河、辫状河和三角洲砂体构型特征、开发效果、剩余油分布特征的对比研究,提出了不同类型砂体构型特征对剩余油分布的控制模式。辫状河砂体构型特征简单,为近水平泥质夹层分布的“泛连通体”构型模式,水驱波及较均匀,边底水推进快,高含水期剩余油分布模式为近水平的泥质落淤层“垂向遮挡控油模式”;曲流河砂体构型特征为废弃河道和点坝内泥质侧积层的“半连通体”构型模式,注入水主要沿砂体中下部波及,高含水期剩余油分布模式为废弃河道和泥质侧积层“侧向遮挡控油模式”;三角洲砂体构型特征复杂,为侧向与垂向泥岩隔层和泥质夹层发育的“镶嵌式”构型模式,注入水主要沿水流优势通道波及,波及程度相对较弱,高含水期剩余油分布模式为泥岩隔层和泥质夹层的“复合遮挡控油模式”。不同类型砂体剩余油分布规律不同,应采取针对性措施进行剩余油挖潜。图6表3参24

关键词： 三角洲砂体; 曲流河砂体; 辫状河砂体; 砂体构型; 水驱开发效果; 剩余油分布; 剩余油挖潜; 南图尔盖盆地

本文引用格式

赵伦 , 梁宏伟 , 张祥忠 , 陈礼 , 王进财 , 曹海丽 , 宋晓威 . 砂体构型特征与剩余油分布模式——以哈萨克斯坦南图尔盖盆地Kumkol South油田为例[J]. 石油勘探与开发, 2016 , 43(3) : 433 -441 . DOI: 10.11698/PED.2016.03.14

Abstract

Taking the Kumkol South oilfield in South Turgay Basin, Kazakstan as an example, this article summarizes the controlling pattern of different types of sandstone architecture on remaining oil distribution through examining architecture characteristics, development effect and remaining oil distribution characteristics of meandering river sandstone, braided river sandstone and delta sandstone. The braided river sandstone has simple architecture which is extensive connecting body with horizontal mud-interlayers. The water flooding sweeps evenly and the edge-bottom water drives quickly in braid river sandstone. And the remaining oil distribution pattern of braid river sandstone is the vertical blocking pattern controlled by the horizontal mud-interlayers at the high water cut stage. The meandering river sandstone is a half connecting body with abandoned channels and the lateral accretion mud-interlayers, so the injected water sweeps through the middle and lower parts of point bar sandstone, and its remaining oil distribution pattern is the horizontal blocking pattern controlled by abandoned channels and the lateral accretion mud-interlayers. The delta sandstone has a complex architecture of mosaic structure with abundant horizontal and vertical mud-interlayers and mud-interbeds, in which the injected water sweeps along preferential path, with low sweeping efficiency, and the remaining oil distribution pattern is the complex blocking pattern controlled by horizontal and vertical mud-interlayers and mud-interbeds. The results show that different techniques should be used to enhance the remaining oil recovery because of the different remaining oil distribution patterns in different kind of sand bodies.

Key words： delta sand body; meandering river sand body; braided river sand body; sandstone architecture; water flooding development effect; remaining oil distribution; remaining oil development; South Turgay Basin

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