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可固化树脂基固井材料及其固化剂的优选

曹成章,  步玉环,  田磊聚,  韩来聚

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文章导航 > 钻井液与完井液  > 2020 >  37(4): 498-506
曹成章, 步玉环, 田磊聚, 韩来聚. 可固化树脂基固井材料及其固化剂的优选[J]. 钻井液与完井液, 2020, 37(4): 498-506. doi: 10.3969/j.issn.1001-5620.2020.04.016
引用本文: 曹成章, 步玉环, 田磊聚, 韩来聚. 可固化树脂基固井材料及其固化剂的优选[J]. 钻井液与完井液, 2020, 37(4): 498-506. doi: 10.3969/j.issn.1001-5620.2020.04.016
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CAO Chengzhang, BU Yuhuan, TIAN Leiju, HAN Laiju. Selection of Curable Resin Based Cementing Material and the Curing Agent thereof[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(4): 498-506. doi: 10.3969/j.issn.1001-5620.2020.04.016
Citation: CAO Chengzhang, BU Yuhuan, TIAN Leiju, HAN Laiju. Selection of Curable Resin Based Cementing Material and the Curing Agent thereof[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(4): 498-506. doi: 10.3969/j.issn.1001-5620.2020.04.016
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可固化树脂基固井材料及其固化剂的优选

doi: 10.3969/j.issn.1001-5620.2020.04.016

  • 1. 中国石油大学(华东)石油工程学院, 山东青岛 266580;

  • 2. 中石化胜利石油工程有限公司, 山东东营 257000;

  • 3. 山东省油田化学重点实验室·非常规油气开发教育部重点实验室·中国石油大学(华东), 山东青岛 266580

详细信息
    作者简介:

    曹成章,工程师,硕士研究生,1984年生,2010年毕业于中国石油大学(华东)油气井工程专业,主要从事固井技术研究和应用工作。电话(0546)6383377,E-mail:caochzh3.ossl@sinopec.com

    通讯作者:

    韩来聚,教授级高级工程师,博士生导师。E-mail:hanlj.ossl@sinopec.com

  • 中图分类号: TE256.6

Selection of Curable Resin Based Cementing Material and the Curing Agent thereof

  • 1. School of Petroleum Engineering, China University of Petroleum(East China), Qingdao, Shandong 266580;

  • 2. Sinopec Shengli Oilfield Service Corporation, Dongying, Shandong 257000;

  • 3. Shandong Key Laboratory of Oilfield Chemistry, Key Laboratory of Unconventional Oil&Gas Development(China University of Petroleum(East China)) Ministry of Education, Qingdao, Shandong 266580

    摘要
  • 摘要: 水泥基固井材料存在脆性大、抗腐蚀性差等缺点，在油气井长期生产过程中易发生脆性破坏导致环空带压、层间窜流等问题。可固化树脂基固井材料具有强度高、弹性模量低、弹塑性强等优点，具有作为固井材料的潜力。通过对几种主要可固化树脂基材料进行分析，在对适合固井需求的环氧树脂优选和固化剂初选的基础上，提出了一种使用黏度-时间曲线代替水泥浆研究中常用的稠化曲线来评价树脂基固井液稠化过程的方法，通过实验进行了树脂固化液体系的优选。结果表明，HSPT固化剂可操作时间较长，反应产物抗压强度超过70 MPa，弹性模量低于3 GPa，气测渗透率低，适合50~90℃下的油气井固井；聚醚胺固化剂的固化产物抗压强度超过75 MPa，弹性模量小于2 GPa，适合30~50℃下的油气井固井。

     

    Abstract: Cement as the main component of well cementing material, has the disadvantages of high brittleness and poor corrosion resistance. Oil and gas wells cemented with cement slurry are susceptible to brittle failure which in turn results in pressurizing in annulus and channeling across layers. Curable resin based cementing materials have many advantages over cement, such as high strength, low elastic modulus and strong elasticity, hence can be used in well cementing. Several curable resins have been analyzed and epoxy resin was finally chosen as the cementing material. A curing agent was also selected for use with epoxy resin. In evaluating the thickening process of the resin based cementing material, a viscosity-time curve was used to replace the old thickening curve. Laboratory experiments were conducted to optimize the curing fluid. It was found that HSPT, a curing agent, remained in working status for a longer time than other curing agents. The reaction product of HSPT had compressive strength of greater than 70 MPa, elastic modulus of less than 3 GPa, and low gas permeability, suitable for well cementing at 50 - 90 ℃. The reaction product of another polyetheramine curing agent had compressive strength of greater than 75 MPa and elastic modulus of less than 2 GPa, which is suitable for well cementing at 30 - 50 ℃.

     

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