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吴绍伟, 周泓宇, 林科雄, 袁辉, 罗刚, 胡友林. 海上油田微粒运移堵塞井解堵控砂一体化工作液体系[J]. 钻井液与完井液, 2021, 38(3): 391-396. doi: 10.3969/j.issn.1001-5620.2021.03.023
引用本文: 吴绍伟, 周泓宇, 林科雄, 袁辉, 罗刚, 胡友林. 海上油田微粒运移堵塞井解堵控砂一体化工作液体系[J]. 钻井液与完井液, 2021, 38(3): 391-396. doi: 10.3969/j.issn.1001-5620.2021.03.023
WU Shaowei, ZHOU Hongyu, LIN Kexiong, YUAN Hui, LUO Gang, HU Youlin. An Integrated Working Fluid for Blocking Removal and Sand Control in Offshore Wells Blocked by Particle Migration[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(3): 391-396. doi: 10.3969/j.issn.1001-5620.2021.03.023
Citation: WU Shaowei, ZHOU Hongyu, LIN Kexiong, YUAN Hui, LUO Gang, HU Youlin. An Integrated Working Fluid for Blocking Removal and Sand Control in Offshore Wells Blocked by Particle Migration[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(3): 391-396. doi: 10.3969/j.issn.1001-5620.2021.03.023

海上油田微粒运移堵塞井解堵控砂一体化工作液体系

doi: 10.3969/j.issn.1001-5620.2021.03.023
详细信息
    作者简介:
    通讯作者:

    林科雄,工程师,研究方向为油田化学。电话15027005910

  • 中图分类号: TE257.6

An Integrated Working Fluid for Blocking Removal and Sand Control in Offshore Wells Blocked by Particle Migration

  • 摘要: 针对海上油田微粒运移堵塞井产能下降严重的问题,采用酸化解堵后再防砂的常规工艺措施往往存在作业工期长、成本费用较高以及施工效果较差等缺点,因此,开展了解堵控砂一体化工艺措施研究。室内以复合有机酸HCW-2、树脂HWR301S和固化剂HWR302S为主要处理剂,研制了一套适合海上油田微粒运移堵塞井的解堵控砂一体化工作液体系,并对其综合性能进行了评价。结果表明:该体系的控砂能力较强,在高流量(120 mL/min)和长时间(720 min)驱替作用下仍能保持较高的控砂效率;注入解堵控砂一体化工作液可以有效解除微粒运移产生的堵塞伤害,并且注入流速越大,解堵效果越好;另外,该体系还具有较低的黏度、pH值和表面张力,有利于其注入和返排,体系的防膨性能、缓蚀性能和稳定铁/钙离子性能较好,能够确保施工过程的安全,并不会对地层造成二次伤害。综合分析研究结果,研制的解堵控砂一体化工作液体系能够在解除微粒运移堵塞的同时起到良好的控砂效果,达到长效解堵增产的目的。

     

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  • 收稿日期:  2021-02-20

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