岩性油气藏 ›› 2015, Vol. 27 ›› Issue (2): 98–102.doi: 10.3969/j.issn.1673-8926.2015.02.015

• 油气田开发 • 上一篇    下一篇

海上干扰试井数值模拟设计及方案优化

闫正和1,郭康良2,李彦平1,成楚传1,杨 勇1,刘远志1   

  1.  1. 中海石油(中国)有限公司深圳分公司 生产作业部,广东 深圳 518067 ;2. 长江大学 地球科学学院,武汉 430100
  • 出版日期:2015-03-03 发布日期:2015-03-03
  • 第一作者:闫正和( 1965- ),男,高级工程师,主要从事油气田开发和油藏管理工作。 地址:( 518067 )广东省深圳市蛇口工业二路 1 号海洋石油大厦。 电话:( 0755 ) 26022393 。 E-mail:yanzhh@cnooc.com.cn 。

Interference well test with numerical simulation design and program optimization at sea

YAN Zhenghe1, GUO Kangliang2, L I Yanping1, CHENG Chuchuan1, Y ANG Yong1, L IU Yuanzhi1   

  1.  1. Department of Production , Shenzhen Branch , CNOOC , Shenzhen 518067 , Guangdong , China ;2. School of Geosciences , Yangtze University , Wuhan 430100 , China
  • Online:2015-03-03 Published:2015-03-03
  • Supported by:

    国家重大科技专项“高含硫气藏安全高效开发技术”(编号: 2011ZX05017-001 )资助

摘要:

南海东部某油田储层渗透性较好,但各井产水量存在差异,井间干扰严重。 针对该种现象,以渗流力学理论为基础,依据现有地质资料进行干扰试井数值模拟,并设计施工方案,以查明井间连通性及干扰压力大小。与常规方法相比,干扰试井数值模拟方法可很好地实现近井地带精细网格和远井地带粗化网格相结合,从而达到利用较少的网格真实刻画地质特征的目的,同时也可很好地模拟油水两相渗流情况,对实际施工测试有良好的指导意义。实际干扰试井施工所搜集到的干扰压力数据与最初模拟设计方案相符,从而验证了该设计方案的正确性。

关键词: 非烃流体, 成因分析, 分布, 控制因素, 奈曼凹陷

Abstract:

 The reservoir of an oilfield located in the eastern South China Sea is characterized by good reservoir permeability, different water content in each well and serious interference between production wells. Aiming at this phenomenon, based on seepage flow mechanics and existing geological data, this paper carried out interference well test numerical simulation and designed construction program to ascertain interwell connectivity and find out interference pressure. Compared with conventional methods, interference well test numerical simulation can realize the combination of fine grid blocks in near bore zones and coarse grid blocks in far bore zones, and then achieved the purpose of describing geological characteristics with least grid blocks and simulated oil and water seepage of multiphase flow at the same time, which has favorable guidance for practical construction tests. The actual interference pressure date collected from optimized interference well test construction matched with the initial designing project, which validates the correctness of this design scheme.

Key words: nonhydrocarbon fluid, cause analysis, distribution, controlling factors, Naiman Sag

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