石油化工高等学校学报

石油化工高等学校学报 ›› 2014, Vol. 27 ›› Issue (3): 57-63.DOI: 10.3969/j.issn.1006-396X.2014.03.013

• 石油工程 • 上一篇    下一篇

朱寨子油区低压低渗储层钻井液保护技术研究

邵心敏1,  屈策计2,  赵妮霞2,  李 春2,  宜海友2   

  1. ( 1. 西安石油大学石油工程学院, 陕西西安7 1 0 0 6 5; 2. 延长油田股份有限公司吴起采油厂, 陕西延安7 1 7 6 0 0)
  • 收稿日期:2014-02-27 修回日期:2014-04-03 出版日期:2014-06-25 发布日期:2014-06-16
  • 通讯作者: 屈策计( 1 9 8 7 - ) , 男, 助理工程师, 从事油水井动态分析和油水井增产增注方面的研究; E - m a i l : 1 5 1 9 1 1 6 0 1 1 5@1 6 3.c o m。
  • 作者简介:邵心敏( 1 9 8 9 - ) , 女, 硕士研究生, 从事油气田增产技术研究; E - m a i l : 5 2 3 4 3 5 3 0 6@q q. c o m。
  • 基金资助:
    陕西省教育厅资助项目( 2 0 1 3 J K 0 8 7 7) 。

Protection Technology of ZhuZhaizi Oilfield Drilling Fluid Reservoir  with Low Pressure and Low Permeability

  1. （1. College of Petroleum Engineering, Xi’an Shiyou University, Xi’an Shaanxi 710065, China； 2.Wuqi Oil Production Plant，Yanchang Oil Field Co.，Ltd.，Yan’an Shaanxi 717600，China）
  • Received:2014-02-27 Revised:2014-04-03 Published:2014-06-25 Online:2014-06-16

PDF

摘要： 朱寨子油区的油气藏具有压力系数低、 物性差、 渗流能力低、 孔喉微细、 比表面积大和泥质含量高等 特点, 容易受到固相、 液相、 聚合物吸附、 矿物敏感等伤害。分析了朱寨子油区储层伤害机理, 提出了朱寨子油区储 层钻井液保护技术, 在钻井液中加入一定量的聚合物抑制剂和无机盐抑制剂, 可有效防止储层中的敏感矿物因滤液 入侵而引起的敏感性伤害; 经粒径优化的架桥粒子和可软化变形的S T - 3按一定比例复配而成的复合暂堵剂, 可以 形成致密的泥饼以减少钻井液的侵入量和侵入深度; 由两种表面活性剂复配组成的 HF R可有效降低油/水界面张 力而显著降低储层水锁损害的程度。有助于将侵入储层的液相返排出来, 提高油相饱和度和渗透率, 改善储层的渗 流能力, 最终提出两套钻井液保护技术。

关键词: 朱寨子油区,    ,  , 储层物性,    ,  , 伤害机理,    ,  , 保护技术

Abstract: The ZhuZhaizi oilfield reservoir has the characteristics of low pressure coefficient, poor physical property, low permeability, micropore and microthroat, large specific surface and high sand concentration. It is easily damaged by the solid phase matter, liquid phase matter, polymer adsorption and sensitive mineral content. On the base of analyses about ZhuZhaizi oilfield formation damage mechanism, this paper introduces a method of drilling fluid reservoir protection technology. That is filtrate invasion sensitive damage can be slightly inhibited caused by sensitive mineral content through adding some polymer inhibition and inorganic salts inhibition into drilling fluid. The temporary plugging agent is made by size optimized bridging particle and soften deformable ST3, and it can reduce the amount of drilling fluid intrusion and invasion depth by forming a dense cake. HFR which is compounded by two kinds of surfactants can efficiently reduce oilwater interfacial tension and significantly reduce the damage degree of water block. It also can help to flow back the filtrate invasion liquid phrase, enhance the oil saturation and relative permeability, and improve the formation permeability. So, two methods of drilling fluid reservoir formation technologies are finally given.

Key words: ZhuZhaizi oildom,    ,  Reservoir property,    , Damage mechanism,    ,  Protection technology

引用本文

邵心敏, 屈策计, 赵妮霞, 李 春, 宜海友. 朱寨子油区低压低渗储层钻井液保护技术研究[J]. 石油化工高等学校学报, 2014, 27(3): 57-63.

Shao Xinmin, Qu Ceji, Zhao Nixia,et al. Protection Technology of ZhuZhaizi Oilfield Drilling Fluid Reservoir  with Low Pressure and Low Permeability [J]. Journal of Petrochemical Universities, 2014, 27(3): 57-63.

使用本文

0
    /   /   推荐

导出引用管理器 EndNote|Ris|BibTeX

链接本文: http://journal.lnpu.edu.cn/syhg/CN/10.3969/j.issn.1006-396X.2014.03.013

               http://journal.lnpu.edu.cn/syhg/CN/Y2014/V27/I3/57



网站版权 © 2021《石油化工高等学校学报》编辑部

本系统由北京玛格泰克科技发展有限公司设计开发