Oil-water well chemical resin type sand consolidating agent and sand prevention technology

The invention relates to an oil-water well chemical resin type sand consolidating agent and a sand prevention technology. The technology formula includes: 5 percent to 10 percent of organic silicon resin, 15 percent to 20 percent of dispersant (furfural), 10 percent to 15 percent of mutual solvent (...

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Hauptverfasser: ZHAO MINGCHEN, QIN ZHONGXIAO, ZHAO YU
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to an oil-water well chemical resin type sand consolidating agent and a sand prevention technology. The technology formula includes: 5 percent to 10 percent of organic silicon resin, 15 percent to 20 percent of dispersant (furfural), 10 percent to 15 percent of mutual solvent (acetaldehyde), 10 percent to 15 percent of curing agent (metaphosphoric acid), 15 percent to 20 percent of emulsion splitter, 15 percent to 20 percent of aniline modified phenol formaldehyde resin, 25 percent to 30 percent of hydrochloric acid, 5 percent to 10 percent of trolamine, 5 percent to 10 percent of aluminium sulphate, and 5 percent to 10 percent of OP10. The technology includes: washing sand to the required position of design, putting sand in an operating tool string according to design requirements, pre-processing the oil layer, then selecting a positive-substitute resin type sand consolidating agent for squeezing the resin type sand consolidating agent and displacing liquid, lifting the sand out from th