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    • 30. 发明授权
    • Low viscosity synthetic cement
    • 低粘度合成水泥
    • US09238770B2
    • 2016-01-19
    • US13434262
    • 2012-03-29
    • Erin Murphy
    • Erin Murphy
    • C09K8/00C08G61/02C09K8/44C04B26/04C04B26/06
    • C09K8/44C04B26/04C04B26/06C04B2103/0046C04B2103/0061C04B24/2676C04B24/2641C04B24/2652C04B24/2611
    • The present invention relates to a synthetic cement that comprises a low viscosity monofunctional monomer, a dicyclopentadienyl moiety having a pendant free radical reactive species, 1,3-butyleneglycol dimethacrylate, unsaturated styrenic block copolymer, and a peroxide curing agent. Additionally it may include weighting agents depending on the circumstances of the well, as is well known to those skilled in the art. Other additional components such as oil based mud, suspending agents, Portland cement, acrylates and methacrylates, retardant curing additives, and clays may optionally be incorporated into the synthetic cement. The synthetic cement is activated by heat, for example, and can be crafted to set within a certain time frame, for example in 4 hours, so that it pumpable for as long as need be, and then be set to seal the well in the manner desired.
    • 本发明涉及包含低粘度单官能单体,具有侧链自由基反应性物质的二环戊二烯基部分,1,3-丁二醇二甲基丙烯酸酯,不饱和苯乙烯嵌段共聚物和过氧化物固化剂的合成水泥。 此外,如本领域技术人员所熟知的,它可以包括取决于井的情况的加重剂。 可以任选地将其它附加组分如油基泥浆,悬浮剂,波特兰水泥,丙烯酸酯和甲基丙烯酸酯,阻燃固化添加剂和粘土掺入合成水泥中。 合成水泥例如通过加热活化,并且可以制造成在一定时间范围内设定,例如在4小时内,使其可泵送长达需要的时间,然后将其设置为将孔密封在 期望的方式