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本文研究了长效固体防垢块的形貌、结构和各组成的稳定性。防垢块的压缩强度、硬度与配方的关系,防垢块中防垢剂的溶出速率同温度、比面及不同防垢剂含量的关系,防垢块的现场油井防垢、防蜡试验。防垢块的有效防垢时间和溶解速度可根据防垢块的配方和选用的防蜡剂类型控制。现场试验防垢块的防垢时间已达半年以上,能满足既防垢又防蜡的要求。
In this paper, the morphology, structure and stability of each solid scale are studied. Anti-scaling block compressive strength, the relationship between hardness and formula, anti-scaling block anti-scaling agent dissolution rate with temperature, specific surface and different anti-scaling agent content of the anti-scaling block of the site anti-scaling oil wells, wax test. Anti-scaling block effective anti-scaling time and dissolution rate according to the anti-scaling block formula and the choice of anti-wax type control. Field test anti-scaling block anti-scaling time has reached more than six months to meet the requirements both anti-scaling and anti-wax.