Page 221 - 《精细化工》2023年第1期

第 1 期 霍宏博，等: 水性树脂的制备及对油井水泥防腐性能的提升 ·213·

在温度大于 100 ℃时，环氧树脂开环与酸酐类 sequestration wells[J]. Cement Concrete Res, 2021, 143: 106397.
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固化剂形成单酯，然后利用其羧基基团与环氧基加 corrosion resistance of oil well cement with a modified epoxy resin
成交联，形成三维网状结构并成膜 [19-20] ，这些树脂 [J]. Construction and Building Materials, 2022, 326: 126854.
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膜本身具有较好的耐温、耐腐蚀性能；同时树脂膜 Preparation and performance evaluation of a kind of retarder used in
包裹水化产物或填充于水化产物之间，提高了水泥 long cementing interval[J]. Fine Chemicals (精细化工), 2022, 39(3):
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石整体致密程度，大幅降低了水化产物与 CO 2 的接 [5] BAI M, SUN J, SONG K, et al. Well completion and integrity
触，从而减小了 CO 2 对水泥石的侵蚀程度。此外， evaluation for CO 2 injection wells[J]. Energy Weekly News, 2015,
3+
2+
侧链上的磺酸基团还与水泥石中的 Ca 、Al 存在 45(C): 556-564.
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螯合作用，也在一定程度上降低了 CO 2 的腐蚀速率。 system for oil and gas wells[J]. Advanced Materials, 2011, 239(4):
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3 结论 Performance evaluation of oil well cement latexes prepared with two
different functional monomers via emulsion[J]. Journal of Tianjin
为提高固井水泥石高温下抗 CO 2 腐蚀性能，本 University (Science and Technology)(天津大学学报: 自然科学与
工程技术版), 2019, 52(8): 843-848.
文以苯乙烯磺酸钠、环氧树脂 E54 为原料进行水性 [8] DONG Z J, LI H B, DONG B Q, et al. Effects of metakaolin on the
环氧树脂 WEP 的制备与性能研究，得到结论如下。 mechanical and anticorrosion properties of epoxy emulsion cement
1
（1）FTIR、 HNMR 结果表明，成功制得目标 mortar[J]. Applied Clay Science, 2020, 186: 105431.
[9] LU Z C, KONG X M, ZHANG C Y, et al. Effect of polymer latexes
产物 WEP。WEP 乳液具有良好的稳定性与分散性， with varied glass transition temperature on cement hydration[J].
Journal of Applied Polymer Science, 2017, 134(36): 45264.
离心测试和数码显微镜观察结果表明，WEP 乳液在
[10] ZHANG B J, ZOU C J, PENG Z G, et al. Study on the preparation
6000 r/min 离心分离 30 min 不分层，且乳液粒子分 and anti-CO 2 corrosion performance of soap-free latex for oil well
cement[J]. ACS Omega, 2020, 5(36): 23028.
散均匀，颗粒较小；热重分析显示，WEP 的热分解
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峰值温度为 295 ℃，具有较好的应用环境热稳定性。 application of self-crosslinking water-borne epoxy resin for cementing
（2）WEP 可以有效提高水泥石抗 CO 2 腐蚀性 [J]. Journal of Applied Polymer Science, 2021, 138(45): 51351.
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能，WEP 改性水泥石于温度 180 ℃、总压 40 MPa、 reactive solvent for anticorrosion of concrete[J]. Prog Org Coat,
CO 2 分压 10 MPa 条件下，经过 90 d 腐蚀后，其抗 2018, 117: 29-34.
[13] CESTARI A R, VIEIRA E F S, PINTO A A, et al. Synthesis and
压强度衰退率仅为 14.7%；而相同腐蚀条件下，未 characterization of epoxy-modified cement slurries-kinetic data at
加入 WEP 的水泥石抗压强度衰退率则高达 62.0%。 hardened slurries/HCl interfaces[J]. Journal of Colloid and Interface
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同时，热重分析和 XRD 谱图也表明，WEP 改性的 [14] ZHANG H D (张红丹). Corrosion resistance of water soluble resin
水泥石腐蚀后内部 CaCO 3 含量远低于对比水泥石。 cement paste system[D]. Chengdu:Southwest Petroleum University
（3）SEM 结果表明，WEP 固化形成三维网状 (西南石油大学), 2016.
[15] CHEN F D (陈发东)，ZHENG B P (郑本培), LIU J (刘纪).
结构并形成具有较好的耐温、耐腐蚀性能的树脂膜。 Waterborne modification of epoxy resin E-44 grafted by AA/AMPS
膜物质提高了水泥石结构致密性的同时对水化产物 [J]. Journal of Anhui Polytechnic University (安徽工程大学学报),
2013, 28(3):12-26.
进行了包裹隔离，减少了 CO 2 与水泥水化产物的接 [16] LIU C J (刘崇建). Theory and application of cement injection in oil
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综上，WEP 能有效提高水泥石高温下抗 CO 2
[17] YUAN B, WANG Y, YANG Y, et al. Wellbore sealing integrity of
腐蚀性能，可助力高 CO 2 含量油气藏的开发。同时， nanosilica-latex modified cement in natural gas reservoirs with high
也为环氧树脂的应用开辟了新的方向。 H 2S contents[J]. Construction and Building Materials, 2018, 192:
621-632.
[18] PAVLÍK Z, TRNÍK A, KULOVANÁ T, et al. DSC and TG analysis
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