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田野, 宋维凯, 侯亚伟, 孙超, 韩冰. 大温差低密度水泥浆性能研究[J]. 钻井液与完井液, 2021, 38(3): 346-350. doi: 10.3969/j.issn.1001-5620.2021.03.014
引用本文: 田野, 宋维凯, 侯亚伟, 孙超, 韩冰. 大温差低密度水泥浆性能研究[J]. 钻井液与完井液, 2021, 38(3): 346-350. doi: 10.3969/j.issn.1001-5620.2021.03.014
TIAN Ye, SONG Weikai, HOU Yawei, SUN Chao, HAN Bing. Study on Performance of Low-Density Cement Slurry at Big Temperature Differences[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(3): 346-350. doi: 10.3969/j.issn.1001-5620.2021.03.014
Citation: TIAN Ye, SONG Weikai, HOU Yawei, SUN Chao, HAN Bing. Study on Performance of Low-Density Cement Slurry at Big Temperature Differences[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(3): 346-350. doi: 10.3969/j.issn.1001-5620.2021.03.014

大温差低密度水泥浆性能研究

doi: 10.3969/j.issn.1001-5620.2021.03.014
详细信息
    作者简介:
  • 中图分类号: TE256.6

Study on Performance of Low-Density Cement Slurry at Big Temperature Differences

  • 摘要: 长封固段大温差固井具有一次性封固段长、封固段底部与顶部温差大的特点,容易导致顶部水泥浆长时间无强度。目前针对大温差缓凝剂的研究较多,其他相关外加剂的大温差性能较少有关注,同时较少有针对100℃以上大温差固井的研究。针对大温差固井的特点,对降失水剂、分散剂和缓凝剂的大温差性能进行评价和筛选,降失水剂C-G86L和缓凝剂C-H42L具有良好的大温差性能,而分散剂对大温差性能有不利影响。构建了1.4 g/cm3大温差低密度水泥浆体系,并引入丁苯胶乳,提高了水泥石在低温下的强度发展。此体系在温差110℃、顶部温度20℃下48 h强度达到858 psi(5.92 MPa)。

     

  • [1] 齐奉忠, 于永金, 刘斌辉, 等. 长封固段大温差固井技术研究与实践[J]. 石油科技论坛, 2017, 36(6):32-36.

    QI Fengzhong, YU Yongjin, LIU Binhui, et al. Study and practice of large temperature difference cementing technology for long-cementing interval[J]. Oil Forum, 2017, 36(6):32-36.
    [2] 闫宇博,刘艳军,韩德勇,等. 大温差低密度水泥浆体系在NP36-3804井的应用[J]. 钻井液与完井液, 2015,32(3):73-75.

    YAN Yubo, LIU Yanjun, HAN Deyong, et al. Application of big differential temperature low density cement slurry in well NP36-3804[J]. Drilling Fluid & Completion Fluid, 2015,32(3):73-75.
    [3] 岳家平,徐翔,李早元,等. 高温大温差固井水泥浆体系研究[J]. 钻井液与完井液,2012,29(2):59-62.

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出版历程
  • 收稿日期:  2020-12-22

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