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US5330006A Oil mud displacement with blast furnace slag/surfactant 失效
油泥排渣与高炉渣/表面活性剂

Oil mud displacement with blast furnace slag/surfactant
摘要:
A cementitious slurry containing blast furnace slag and a surfactant is utilized to displace an oil based drilling fluid without causing contamination by the blast furnace slag cement. In a specific embodiment, a cementitious slurry comprising blast furnace slag, a surfactant and water is used in the cementing of an annulus surrounding a casing or liner wherein a synthetic oil-containing drilling fluid is present.
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