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低温早强低水化放热水泥浆体系开发

郭永宾,  李中,  刘和兴,  董钊,  吴志明,  马传华

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文章导航 > 钻井液与完井液  > 2019 >  36(4): 500-505
郭永宾, 李中, 刘和兴, 董钊, 吴志明, 马传华. 低温早强低水化放热水泥浆体系开发[J]. 钻井液与完井液, 2019, 36(4): 500-505. doi: 10.3969/j.issn.1001-5620.2019.04.019
引用本文: 郭永宾, 李中, 刘和兴, 董钊, 吴志明, 马传华. 低温早强低水化放热水泥浆体系开发[J]. 钻井液与完井液, 2019, 36(4): 500-505. doi: 10.3969/j.issn.1001-5620.2019.04.019
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GUO Yongbin, LI Zhong, LIU Hexing, DONG Zhao, WU Zhiming, MA Chuanhua. Development of a Low Temperature Early Strength Cement Slurry with Low Exothermic Heat of Hydration[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(4): 500-505. doi: 10.3969/j.issn.1001-5620.2019.04.019
Citation: GUO Yongbin, LI Zhong, LIU Hexing, DONG Zhao, WU Zhiming, MA Chuanhua. Development of a Low Temperature Early Strength Cement Slurry with Low Exothermic Heat of Hydration[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(4): 500-505. doi: 10.3969/j.issn.1001-5620.2019.04.019
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低温早强低水化放热水泥浆体系开发

doi: 10.3969/j.issn.1001-5620.2019.04.019

  • 1. 中海石油(中国) 有限公司湛江分公司, 广东湛江 524057;

  • 2. 中海油能源发展股份有限公司工程技术湛江分公司, 广东湛江 524057

基金项目: 

国家重大专项“深水油气田开发钻完井工程关键技术研究及配套工艺”（2016ZX05028-001-09）

详细信息
    作者简介:

    郭永宾,1973年生,1996年毕业于中国石油大学(华东),现主要从事海洋石油钻完井技术研究工作。电话(0759)3911530;E-mail:guoyb@cnooc.com.cn

  • 中图分类号: TE256

Development of a Low Temperature Early Strength Cement Slurry with Low Exothermic Heat of Hydration

  • 1. Zhanjiang Branch of CNOOC, Zhanjiang, Guangdong 524057;

  • 2. Zhanjiang Branch of CNOOC Energy Technology & Services Limited, Zhanjiang, Guangdong 524057

    摘要
  • 摘要: 深水水合物地层的特殊环境要求固井水泥具有低水化放热和低温早强特性，而现有的固井水泥浆体系大多不具备低水化放热特性，而且低温水化速度较慢。为此，提出了低温早强低水化放热水泥浆体系的研究思路。在铝酸盐水泥和G级水泥按照1：1质量比形成的混合水泥浆的基础上，通过对储能微球研发以及对密度减轻剂、稳定剂和其他外加剂的种类和加量的优选，形成了低温早强低水化放热水泥浆体系，其早强剂为0.06%三乙醇胺，降失水剂为1%聚乙烯醇类降失水剂CML，缓凝剂为0.35%硼酸，分散剂为1.5%SYJZ-1。同时对该体系进行的性能测试表明，在4℃养护24 h水泥石抗压强度可以达到5.9 MPa，水泥浆呈现低水化放热和低温早强特性。可以看出，该低温早强低水化放热水泥浆体系在早期强度、水化放热、密度等方面性能优异。

     

    Abstract: In deep water drilling, special environment in formations containing hydrate-forming chemicals requires the cement slurry to have low exothermic heat of hydration and early strength at low temperatures. Most of the cement slurries presently in use do not have the low exothermic heat of hydration characteristics and the rate of low temperature hydration reaction is slow. A study plan has been presented to resolve these problems. The study has aimed at finding a cement slurry with low temperature early strength and low exothermic heat of hydration. This cement slurry is formulated with a mixture of aluminate cement and class G cement in a mass ratio of 1:1 followed by the treatment of other additives such as energy-storing micro spheres, light-weight agent, stabilizer and so on in carefully determined concentrations. The early strength additive used is triethanolamine at 0.06%, the filter loss reducer is 1% CML, a polyvinyl alcohol base filter loss reducer, the retarder is boric acid at 0.35%, and the dispersant is 1.5% SYJZ-1. Performance test of the cement slurry shows that after aging for 24 h at 4℃ the compressive strength of the set cement is 5.9 MPa. It can be found that this cement slurry has excellent early strength, low exothermic heat of hydration and density characteristics.

     

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出版历程
  • 收稿日期:  2019-03-17
  • 刊出日期:  2019-08-30

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