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�������պ����ѧѧ�� 2005, Vol. 31 Issue (12) :1303-1307    DOI:
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����׿, ������, ����, �Ŵ���*
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Principle and technique of sand consolidation with novel epoxy-phenolic resins system
Gu Yizhuo, Zhang Zuoguang, Li Min, Zhang Daxing*
School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� To solve the problem of chemical sand control in low-temperature oil wells cost-effectively, a novel sand consolidation agent was prepared with epoxy resin and phenolic resin as the primary raw material and without any other curing agents by means of the blending method. On the basis of the sand consolidation agent, a kind of resin-coated sand was developed initially. By analysis of Fourier transform infrared spectroscopy(FT-IR), the cure mechanism of resins was investigated. The results show that thesand consolidation agent can consolidate sandstone in water at 50�� and consolidated specimens have high compression strength and permeability. As the quantity of resins is increased, the compression strength of consolidated specimens can be further increased. The resin-coated sand can consolidate with the phenolic resin as an external curing agent and the properties of consolidated specimens can satisfy use requirements. The reaction of phenolic hydroxyl and hydroxyl methyl in phenolic resin with epoxy in epoxy resin is the major mechanism of the curing reaction.
Keywords�� oil wells   epoxy resins   sandstone   sand consolidation   phenolic resins     
Received 2004-09-09;
About author: ����׿(1979-),��,������,��ʿ��, benniegu@mse.buaa.edu.cn.
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����׿, ������, ����, �Ŵ���.���ͻ���-��ȩ��֬��ϵ�Ĺ�ɰԭ���뼼��[J]  �������պ����ѧѧ��, 2005,V31(12): 1303-1307
Gu Yizhuo, Zhang Zuoguang, Li Min, Zhang Daxing.Principle and technique of sand consolidation with novel epoxy-phenolic resins system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2005,V31(12): 1303-1307
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2005/V31/I12/1303
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