The plugs maintain separation of cementing fluids, wipe casing walls clean, and prevent cement contamination. When bumped against a float collar, they provide positive indication of displacement and casing sealability.
SS top cement plug & DS bottom plug are always used together. Top plug is used to isolate superior cement slurry and mud, prevent pollution, replace cement slurry to annular clearance.
1. SS top cement plug, DS bottom cement plugs are designed and manufactured according to the demands of SY5394-91. The material of core is aluminium alloy or high polymer material with the good drillable capability. The plug is made by imported nitride
2. butadiene rubber and having the good performance of anti-oil & anti acid-base. It has better features of scrape and replacement, because of the good structure of 5W.
Special anti-rotation mechanism is good for faster drilling-out.
Conventional (standard), Anti-rotation (non-rotating, anti rotary)
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