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Stage Cementer Plug System
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Stage Cementer Plug System
Contact Name: Peng Xinzhong (Vice President)
Tel: +86-0534-8128878; 18631543217
Email: pxz@horizon-oil.cn
Address: Middle Section of Wuyou Street, Lingxian County Economic Development Zone, Dezhou City, Shandong
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The accessories of YFZ-A/DCFZ-D stage cementer include a first-stage plug,freefall opening plug,closing plug,shut-0ff baffle and pumping-down opening plug.Being made of rubber or aluminum,these parts are drillable.
Features
1. The shut-off baffle is installed in the casing collar,usually one joint above the float collar.
2. The first-stage plug is used to isolate the first-stage cement and drilling fluid. at the end of displacement,the first-stage plug lands and effects a seal against the shut-off baffle.
3. Featuring stream-line shape and filled with lead,the free-fall opening plug can quickly free-fall to the lower sliding sleeve.When pressure is applied to the casing,it can open the circulation ports.
4. The closing plug is used to isolate second-stage cement and drilling fluid.When running to the upper sliding sleeve,it form seal in the stage cementer. Pressure is applied to the casing and the circulation ports are closed.
5. The pumping-down opening plug is used for continuous cementing operation and in deviated wells.It can open the circulation ports directly and quickly, whereas the freefall opening plug needs longer time waiting for failing.

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