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The anti-locked mud resolves to avoid the drilling locked accident due to the pressure difference.The mud owns favorable rheidity,filterability,strong anti-pollution,and small coefficient of viscosity.

For emusion oil mud,negative emulsion oil mud  and anti-locked mud, CP-882 organoclay is a kind of good rheological additive to make the mud have good suspension property,wall protection and anti-filtration,furthermore,under the pressure 180pa and the temperature  230C ,the mud can maintain stable physical and chemical property. 

 

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