Du Qingzhen, Nan Qingyi, Wang Zhiqiang, Chen Fuyou, Jing Ronghua, Yu Jiliang. DEVELOP AND APPLICATION OF POLYMER GEL PLUG REMOVER[J]. Oil Drilling & Production Technology, 1999, 21(5): 76-78. DOI: 10.3969/j.issn.1000-7393.1999.05.018
Citation: Du Qingzhen, Nan Qingyi, Wang Zhiqiang, Chen Fuyou, Jing Ronghua, Yu Jiliang. DEVELOP AND APPLICATION OF POLYMER GEL PLUG REMOVER[J]. Oil Drilling & Production Technology, 1999, 21(5): 76-78. DOI: 10.3969/j.issn.1000-7393.1999.05.018
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DEVELOP AND APPLICATION OF POLYMER GEL PLUG REMOVER

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  • CHY plug removing agent is developed to solve the problem of damage to the non-target zone caused by polyarylamide chromium gel(or gel).The agent is formed by combining inorganic material(possesses no damage to the oil reservoir) with a certain amount of catalysts.It can make the viscous polymer gel to dissolve rapidly into solution with the viscosity approaching that of water.The plug removal technique has the following characteristics:strong capability of removing plug,simple and convenient construction process and so on.Field application in Mengulin Oil Field shows that the effective percentage is 85.7%,the average incremental Oil of individual well is 660 t.
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