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利用水淬高炉矿渣在激活剂作用下水硬固化的特性 ,研究了用于封堵油水井大孔道及裂缝出水的堵剂配方技术。结果表明 :高炉矿渣堵剂凝固强度大 ,封堵能力强 ,凝固反应速度可以调整、控制。膨润土可改善高炉矿渣堵剂浆体的悬浮稳定性 ,并提高凝固强度。
Utilizing the characteristics of water-hardened blast furnace slag hydraulically solidified under the action of activator, the formulation technology of plugging agent used for plugging large pores and cracks in oil and water wells was studied. The results show that blast furnace slag plugging agent has the advantages of large solidification strength, strong plugging ability and adjustable solidification reaction rate. Bentonite can improve the suspension stability of blast furnace slag plugging slurry and improve the solidification strength.