Haikou, China
Haikou, China

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Zeng S.,Fushan Oil Field | Zhao D.,Fushan Oil Field | Li L.,Fushan Oil Field | Wang Y.,Fushan Oil Field | And 3 more authors.
Drilling Fluid and Completion Fluid | Year: 2010

Some cementing challenges with deep well production casing were encountered that are ultra-thick clay stone, anomaly borehole, high viscosity mud and high temperature in Fushan oil field. The following measures were taken that are rigid and elastic centralisers, low viscosity mud (FV 50 s), ZQY-1 washing fluid of 3%, high viscosity ahead fluid weighted by barite, buffer zone composed of fresh water filter reducer and retarder, nitrogen gas prestress high-temperature slurry as well. Both of the cementing qualities of the well Huadong 6-3x and Hua11x were excellent using the technology described above.

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