The emulsive urea - formaldehyde resin sand - consolidating agent was prepared for universal problem of severely produced sand at the end of exploilation of oilfield with high hydrous reservoir.

• 针对胜坨油田特高含水开发后期地层出砂严重和普遍的问题,开展了乳化脲醛树脂固砂剂的研究。