凝胶堵漏颗粒的合成及性能评价  

Synthesis and performance evaluation of gel plugging particles

作　　者：周芳芳 于雷涛 ZHOU Fangfang;YU Leitao(Department of Petroleum Engineering,Hebei Petroleum University of Technology,Chengde Hebei 067000,China;Shandong Wester Petroleum Technology Co.,Ltd.,Dongying Shandong 257000,China)

机构地区：[1]河北石油职业技术大学石油工程系,河北承德067000 [2]山东维斯特尔石油科技有限公司,山东东营257000

出　　处：《石油化工应用》2025年第1期110-112,120,共4页Petrochemical Industry Application

摘　　要：以两性离子单体[2-(甲基丙烯酰基氧基)乙基]二甲基-(3-磺酸丙基)氢氧化铵(SBMA)、丙烯酰胺(AM)、1-乙烯基咪唑和单体A为原料,采用悬浮聚合法合成了一种凝胶堵漏颗粒并进行表征,测试了凝胶的抗温、抗盐性能以及砂床封堵性能。实验结果表明,凝胶可在180℃下长时间保持韧性,且对15%NaCl或4%CaCl2的高矿化度具有一定的韧性和膨胀能力;砂床堵漏和缝板堵漏试验结果表明,凝胶的封堵承压性能良好。研究结果表明,凝胶堵漏颗粒能够满足高温孔隙型和裂缝性井漏的长时间封堵,具有较好的推广应用价值。A gel plugging particle with[2-(methacryloyloxy)ethyl]dimethyl-(3-sulfonic acid propyl)ammonium hydroxide(SBMA),acrylamide(AM),1-vinylimidazole and monomer A as raw materials was synthesized by suspension polymerization,and its structure was characterized.Its temperature and salt resistance,and sand bed sealing performance were tested.The gel exhibits excellent toughness for a long time at 180℃,and certain toughness and expansion capacity at high salinity of 15%NaCl or 4%CaCl2 solution.Sand bed and seam plate plugging tests show that it has excellent plugging pressure-bearing performance.The research results show that the gel plugging particles can meet the long-term plugging of high temperature pore type and fracture leakage,and have good popularization and application value.

关 键 词：凝胶堵漏颗粒 抗温性能 膨胀能力 砂床堵漏 缝板堵漏 

分 类 号：TE254.4[石油与天然气工程—油气井工程]