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新型高性能转向酸的制备及性能评价

王艳丽

王艳丽. 新型高性能转向酸的制备及性能评价[J]. 钻井液与完井液, 2016, 33(6): 111-115. doi: 10.3969/j.issn.1001-5620.2016.06.020
引用本文: 王艳丽. 新型高性能转向酸的制备及性能评价[J]. 钻井液与完井液, 2016, 33(6): 111-115. doi: 10.3969/j.issn.1001-5620.2016.06.020
WANG Yanli. Preparation and Evaluation of a New High Performance Diverting Acid[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(6): 111-115. doi: 10.3969/j.issn.1001-5620.2016.06.020
Citation: WANG Yanli. Preparation and Evaluation of a New High Performance Diverting Acid[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(6): 111-115. doi: 10.3969/j.issn.1001-5620.2016.06.020

新型高性能转向酸的制备及性能评价

doi: 10.3969/j.issn.1001-5620.2016.06.020
基金项目: 

国家自然科学基金项目“液氮辅助页岩体积压裂增效机理研究”(51574270)

详细信息
    作者简介:

    王艳丽,1982年生,现在从事石油工程方面的研究及教学工作。电话13455713890;E-mail:395497954@qq.com。

  • 中图分类号: TE357.12

Preparation and Evaluation of a New High Performance Diverting Acid

  • 摘要: 碳酸盐岩储层微裂缝发育,酸化压裂改造过程中酸液单向突进,造成储层有效裂缝沟通困难,酸化压裂改造效率低。为了提高碳酸盐岩储层酸化压裂改造效率,制备了一种对CO2敏感的新型高性能转向酸体系,该体系主要由盐酸、SDS、TMPDA及缓蚀剂组成,配方为3.96% SDS+1.09% TMPDA+24% HCl+0.5% MZ-1缓蚀剂。虽然该体系本身不具有黏弹性,但在CO2存在的条件下,体系中的TMPDA作为联接基与普通的SDS生成黏弹性极好的类Gemini型表面活性剂,CO2消除之后可恢复到初始状态。相关性能评价及研究表明,该体系抗温、抗剪切性好、转向性能优越,酸液驱替前后岩心渗透率明显增大,而且渗透率差异较大的2组岩心的渗透率极差基本消除,可以有效地提高碳酸盐岩储层酸压改造效率,而且有希望实现循环利用。

     

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出版历程
  • 收稿日期:  2016-09-23
  • 刊出日期:  2016-11-30

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