一种新型缓凝剂的制备及其在水泥基复合材料中的应用
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摘要
针对目前固井使用的缓凝剂存在的热稳定性能不好、异常胶凝现象(结块)、水泥石抗压强度减弱、水泥浆综合性能欠佳等问题,通过水溶液自由基聚合,研制了一种新型高温缓凝剂GWR-1,并对其热稳定性能进行了评价,同时,对加入4种缓凝剂GWR-1、GWH-1、HX-400、DRH-200L的水泥浆异常胶凝现象和综合性能做了比较。微观结构分析表明:各单体参与了反应,分子量分布较为均一,分子结构高温下稳定,GWR-1的热稳定性可达350℃。GWR-1在硅酸盐水泥基复合材料中应用性能测试结果表明:加入GWR-1水泥浆的稠化温度可达160℃,高温时加量不敏感,高温抗盐性能较好,加入GWR-1的水泥浆在150℃不会发生异常胶凝现象,且其硅酸盐水泥石的强度发展良好,低密度和高密度的水泥浆的综合性能优于加入其他3种缓凝剂的水泥浆。
For conventional cementing, the retarders used currently have some shortcomings, such as poor thermostability, abnormal gelation(clots), compressive strength reduction and low quantities of cement. In this paper, a new retarder, GWR-1, was prepared by aqueous free-radical polymerization and its thermostability was tested. Also, the abnormal gelation and other related properties of cement slurry added with GWR-1 were compared to those added with other three retarders GWH-1, HX-400 and DRH-200 L. The structural analysis shows that almost all monomers are involved in the polymer, and the distribution of molecular weight is relatively uniform. The GWR-1 retarder is stable at 350℃. The performance test of silicate cement composite containing GWR-1 shows that the thickening temperature of cement slurry increasesd to 160℃ after adding GWR-1. The addition amount of GWR-1 is not sensitive at high temperature and the salt resistance at high temperature is good. The cement slurry with GWR-1 will not have abnormal cementing phenomenon at 150℃, and the strength of final cement stone develops well. The comprehensive performance of low density and high density cement slurry added to GWR-1 is better than that with three other retarders.
For conventional cementing, the retarders used currently have some shortcomings, such as poor thermostability, abnormal gelation(clots), compressive strength reduction and low quantities of cement. In this paper, a new retarder, GWR-1, was prepared by aqueous free-radical polymerization and its thermostability was tested. Also, the abnormal gelation and other related properties of cement slurry added with GWR-1 were compared to those added with other three retarders GWH-1, HX-400 and DRH-200 L. The structural analysis shows that almost all monomers are involved in the polymer, and the distribution of molecular weight is relatively uniform. The GWR-1 retarder is stable at 350℃. The performance test of silicate cement composite containing GWR-1 shows that the thickening temperature of cement slurry increasesd to 160℃ after adding GWR-1. The addition amount of GWR-1 is not sensitive at high temperature and the salt resistance at high temperature is good. The cement slurry with GWR-1 will not have abnormal cementing phenomenon at 150℃, and the strength of final cement stone develops well. The comprehensive performance of low density and high density cement slurry added to GWR-1 is better than that with three other retarders.
引文
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[7] BISHOP M, BARRON A R. Cement hydration inhibition with sucrose,tartaric acid, and lignosulfonate:analytical and spectroscopic study[J].Industrial&Engineering Chemistry Research, 2015, 45(21):7042-7049.
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[10]段晓岩,李士斌,姜晓超,等.聚羧酸类外加剂引起油井水泥浆异常胶凝现象分析[J].东北石油大学学报, 2011, 35(5):79-83.DUAN Xiaoyan, LI Shibin, JIANG Xiaochao, et al. Analysis of abnormal gelation of oil well cement slurry caused by polycarboxylate admixture[J]. Journal of Northeast Petroleum University, 2011, 35(5):79-83.
[11] CHEN D, GUO J T, XIA X J, et al. Abnormal gelation phenomenon of Class G oil well cement incorporating polycarboxylic additives and its countermeasures[J]. Construction&Building Materials, 2017, 149:279-288.
[12] GUO S, BU Y, LIU H, et al. The abnormal phenomenon of Class G oil well cement endangering the cementing security in the presence of retarder[J]. Construction&Building Materials, 2014, 54(54):118-122.
[13]全国石油天然气标准化技术委员会.油井水泥实验方法:GB/T19139—2003[S].北京:中国标准出版社,2013.China Natural Gas Standardization Techology Committee. Testing of well cements:GB/T 19139—2003[S]. Beijing:Standards Press of China, 2013.
[14]国家发展和改革委员会.油井水泥外加剂评价方法:SY/T SY/T5504.1―2005[S].北京:石油工业出版社, 2015.National Development and Reform Commission. Evaluation method for well cement additives-Part1:Retarder:SY/T 5504.1―2005[S].Beijing:Petroleum Industry Press, 2015.
[15] HOLLAND B J, HAY J N. The kinetics and mechanisms of the thermal degradation of poly(methyl methacrylate)studied by thermal nalysisFourier transform infrared spectroscopy[J]. Polymer, 2001, 42(11):4825-4835.
[16] MIZUSE K, HASEGAWA H, MIKAMI N, et al. Infrared and electronic spectroscopy of Benzene-Ammonia cluster radical cations[C6H6(NH3)1,2]+:observation of isolated and microsolvatedσ-complexes[J]. Journal of Physical Chemistry A, 2010, 114(42):11060-11069.
[17]邹双.耐高温油井水泥缓凝剂的合成与研究[D].天津:天津大学,2015:37-38.ZOU Shuang. Synthesis and research of high temperature oil well cement retarder[D]. Tianjin:Tianjin University, 2015:37-38.
[18]赵天增.核磁共振氢谱[M].北京:北京大学出版社,1983:30-40.ZHAO Tianzeng.1H-NMR[M].北京:Beijing University Press, 1983:30-40.
[19] LU Y, LI M, GUO Z, et al. A novel high temperature retarder applied to a long cementing interval[J]. RSC Advances, 2016, 6(17):14421-14426.
[20] ZHANG H, ZHUANG J, HUANG S, et al. Synthesis and performance of itaconic acid/acrylamide/sodium styrene sulfonate as a self-adapting retarder for oil well cement[J]. RSC Advances, 2015, 5(68):55428-55437.
[21]吕斌,张善德,吴广兴,等.可抑制稠化异常的新型油井水泥缓凝剂的研究[J].钻井液与完井液, 2017, 34(5):67-72.LüBin, ZHANG Shande, WU Guangxing, et al. Study on a new oil well cement retarder capable of suppressing thickening anomalies[J].Drilling Fluids&Completion Fluid, 2017, 34(5):67-72.
[22]韩福彬,孔凡军,姜宏图,等.微膨增韧胶乳防气窜水泥浆的实验研究[J].钻井液与完井液, 2008, 25(5):52-53.HAN Fubin, KONG Fanjun, JIANG Hongtu, et al. Experimental study on anti-gas cement slurry of micro-expansion toughened latex[J].Drilling Fluid&Completion Fluid, 2008, 25(5):52-53.
[2] HURNAUS T, PLANK J. Synthesis, characterization and performance of a novel phosphate-modified fluid loss additive useful in oil well cementing[J]. Journal of Natural Gas Science and Engineering, 2016,36:165-174.
[3]郭锦棠,夏修建,刘硕琼,等.适用于长封固段固井的新型高温缓凝剂HTR-300L[J].石油勘探与开发, 2013, 40(5):611-615.GUO Jintang, XIA Xiujian, LIU Shuoqiong, et al. A high temperature retarder HTR-300L used in long cementing interval[J]. Petroleum Exploration and Development,2013,40(5):611-615.
[4] PYANTINA T, SUGAMA T, GILL S. Retarders'effects on some properties of Class G cement cured at 80℃[J]. Advances in Cement Research,2015, 26(4):205-212.
[5]赵岳,沙林浩,王建东,等.油井水泥高温缓凝剂特性及发展浅析[J].钻井液与完井液, 2011, 28(s1):54-58.ZHAO Yue, SHA Linhao, WANG Jiandong, et al. Characteristic and development analysis of high temperature oil well cement retarder[J].Drilling Fluid&Completion Fluid, 2011, 28(s1):54-58.
[6]汪晓静,姚晓,阮玉媛.新型油井水泥低滤失高温缓凝剂的室内研究[J].钻井液与完井液, 2007, 24(2):48-49.WANG Xiaojing, YAO Xiao, YAN Yuyuan. Indoor research on new oil well cement low filtration high temperature retarder[J]. Drilling Fluid&Completion Fluid, 2007, 24(2):48-49.
[7] BISHOP M, BARRON A R. Cement hydration inhibition with sucrose,tartaric acid, and lignosulfonate:analytical and spectroscopic study[J].Industrial&Engineering Chemistry Research, 2015, 45(21):7042-7049.
[8] SHIRSHOVA N, BISMARCK A. In-situ preparation of polymer scaffolds in retarded cement slurries:an emulsion templating approach for rapid, on-demand strength development[J]. Cement and Concrete Composites, 2012, 34(3):337-341.
[9] ZHANG L, CATALAN L J J, BALEC R J, et al. Effects of saccharide set retarders on the hydration of ordinary portland cement and pure tricalcium silicate[J]. Journal of the American Ceramic Society, 2010,93(1):279-287.
[10]段晓岩,李士斌,姜晓超,等.聚羧酸类外加剂引起油井水泥浆异常胶凝现象分析[J].东北石油大学学报, 2011, 35(5):79-83.DUAN Xiaoyan, LI Shibin, JIANG Xiaochao, et al. Analysis of abnormal gelation of oil well cement slurry caused by polycarboxylate admixture[J]. Journal of Northeast Petroleum University, 2011, 35(5):79-83.
[11] CHEN D, GUO J T, XIA X J, et al. Abnormal gelation phenomenon of Class G oil well cement incorporating polycarboxylic additives and its countermeasures[J]. Construction&Building Materials, 2017, 149:279-288.
[12] GUO S, BU Y, LIU H, et al. The abnormal phenomenon of Class G oil well cement endangering the cementing security in the presence of retarder[J]. Construction&Building Materials, 2014, 54(54):118-122.
[13]全国石油天然气标准化技术委员会.油井水泥实验方法:GB/T19139—2003[S].北京:中国标准出版社,2013.China Natural Gas Standardization Techology Committee. Testing of well cements:GB/T 19139—2003[S]. Beijing:Standards Press of China, 2013.
[14]国家发展和改革委员会.油井水泥外加剂评价方法:SY/T SY/T5504.1―2005[S].北京:石油工业出版社, 2015.National Development and Reform Commission. Evaluation method for well cement additives-Part1:Retarder:SY/T 5504.1―2005[S].Beijing:Petroleum Industry Press, 2015.
[15] HOLLAND B J, HAY J N. The kinetics and mechanisms of the thermal degradation of poly(methyl methacrylate)studied by thermal nalysisFourier transform infrared spectroscopy[J]. Polymer, 2001, 42(11):4825-4835.
[16] MIZUSE K, HASEGAWA H, MIKAMI N, et al. Infrared and electronic spectroscopy of Benzene-Ammonia cluster radical cations[C6H6(NH3)1,2]+:observation of isolated and microsolvatedσ-complexes[J]. Journal of Physical Chemistry A, 2010, 114(42):11060-11069.
[17]邹双.耐高温油井水泥缓凝剂的合成与研究[D].天津:天津大学,2015:37-38.ZOU Shuang. Synthesis and research of high temperature oil well cement retarder[D]. Tianjin:Tianjin University, 2015:37-38.
[18]赵天增.核磁共振氢谱[M].北京:北京大学出版社,1983:30-40.ZHAO Tianzeng.1H-NMR[M].北京:Beijing University Press, 1983:30-40.
[19] LU Y, LI M, GUO Z, et al. A novel high temperature retarder applied to a long cementing interval[J]. RSC Advances, 2016, 6(17):14421-14426.
[20] ZHANG H, ZHUANG J, HUANG S, et al. Synthesis and performance of itaconic acid/acrylamide/sodium styrene sulfonate as a self-adapting retarder for oil well cement[J]. RSC Advances, 2015, 5(68):55428-55437.
[21]吕斌,张善德,吴广兴,等.可抑制稠化异常的新型油井水泥缓凝剂的研究[J].钻井液与完井液, 2017, 34(5):67-72.LüBin, ZHANG Shande, WU Guangxing, et al. Study on a new oil well cement retarder capable of suppressing thickening anomalies[J].Drilling Fluids&Completion Fluid, 2017, 34(5):67-72.
[22]韩福彬,孔凡军,姜宏图,等.微膨增韧胶乳防气窜水泥浆的实验研究[J].钻井液与完井液, 2008, 25(5):52-53.HAN Fubin, KONG Fanjun, JIANG Hongtu, et al. Experimental study on anti-gas cement slurry of micro-expansion toughened latex[J].Drilling Fluid&Completion Fluid, 2008, 25(5):52-53.
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