岩性油气藏 ›› 2018, Vol. 30 ›› Issue (5): 103–108.doi: 10.12108/yxyqc.20180512

• 油气田开发 • 上一篇    下一篇

杏六区东部分流河道砂体渗流单元组合及水淹模式

吕端川1,2, 林承焰1,2, 任丽华1,2, 宋金鹏1,2, 狄喜凤1,2   

  1. 1. 中国石油大学(华东)地球科学与技术学院, 山东 青岛 266580;
    2. 山东省油藏地质重点实验室, 山东 青岛 266580
  • 收稿日期:2018-03-03 修回日期:2018-06-02 出版日期:2018-09-14 发布日期:2018-09-14
  • 作者简介:吕端川(1987-),男,中国石油大学(华东)在读博士研究生,研究方向为地质资源与地质工程。地址:(266580)山东省青岛市黄岛区长江西路66号。Email:duan227@126.com。
  • 基金资助:
    国家重大科技专项“大庆长垣特高含水油田提高采收率示范工程”（编号：2016ZX05054）与中国石油大学（华东）研究生创新工程资助项目“特高含水后期孔隙级别剩余油形成过程实验模拟”（编号：YCX2017007）联合资助

Flow unit combination and water flooding model of distributary channel sand body in eastern Xing-6 block

LYU Duanchuan1,2, LIN Chengyan1,2, REN Lihua1,2, SONG Jinpeng1,2, DI Xifeng1,2   

  1. 1. School of Geosciences, China University of Petroleum, Qingdao 266580, Shandong, China;
    2. Shandong Province Key Laboratory of Reservoir Geology, Qingdao 266580, Shandong, China
  • Received:2018-03-03 Revised:2018-06-02 Online:2018-09-14 Published:2018-09-14

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摘要： 为了对大庆长垣杏树岗油田杏六区东部浅水三角洲分流河道砂体内三元复合驱层段的水淹程度进行定量化分析，进而确定剩余油饱和度的垂向分布特征。通过岩心观察和渗透率相对变化率的计算，并结合含油饱和度测试数据，在单砂体级别内对具有相似渗流能力的渗流单元及其组合类型进行划分，从而定量化计算不同渗流单元组合类型中的水淹程度。分流河道内共识别出5种细粒沉积类型和3种渗流单元组合类型。通过对不同渗流单元组合类型中水淹特征的认识可为后期剩余油挖潜方案的制定提供依据。

关键词: 分流河道, 渗流单元, 水淹模式, 杏六区东部

Abstract: In order to quantitatively analyze the flooding degree of ASP(alkaline surfactant polymer) flooding layers in shallow water delta distributary channel sand body in eastern Xing-6 block in Xingshugang oilfield, which belongs to Daqing placanticline,the vertical distribution characteristics of remaining oil saturation were determined. Through the observation of coring wells and the calculation results of relative change rate of permeability, and combining with oil saturation test data,different seepage units and their combination types were classified within the single sand body level,and the flooding degree were calculated quantitatively in different combination types of seepage units. A total of five types of fine-grained sediments and three combinations types of seepage units were identified in distributary channel. The understanding of flooding characteristics of different combination types of seepage units can provide geological basis for trapping potential of remaining oil in the later stage.

Key words: distributary channel, seepage units, water flooding model, eastern Xing-6 block

中图分类号: 

  • TE343
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