Applications and Study on Organophosphate Acids (Salts) for Oil Well Cement Retarder

ZhiGang Qi, Xiaoming Zhu, Huilian Cao

Abstract


Abstract
A synthetic cement retarder SDH-2 which provides excellent retardation and compressive strength development has been synthesized to be used in deep oil well cementation. The response properties, temperature-resistant and anti-salt properties, additive distribution and compressive strength have been evaluated. It is showed SDH-2 has good retarding ability to oil well cement slurries at 40 to 204 ℃。It is compatible with dispersant, fluid loss additive and other additives to grade G oilwell cement of various manufactures and can be used in cementing process in the temperature of various depths in oil well.


Keywords


Retarder; Thickening time; Compatibility; Compressive strength; Additives

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References


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DOI: http://dx.doi.org/10.3968/j.est.1923847920130602.3004

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