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HomeNewsMethod and matters needing attention for construction of cementing plug

Method and matters needing attention for construction of cementing plug

2021-04-27
Cementing Plug technology is a technology in which a certain amount of cement slurry is substituted into the casing or a certain part of the borehole to form a new artificial well bottom to meet the needs of injection and production or to temporarily seal off a certain well section to meet the technological process.
cementing plug
First,process principle

When the dry cement and the right amount of water mixed into cement slurry,cement particles and water immediately hydration reaction,the cement slurry to produce calcium silicate water as the main component of the colloid,with the continuous hydration,the colloid increased,and gradually gathered and thickened.At the same time,new compounds formed in the colloid cement stone,gradually in the amorphous colloid began to present granular crystals,and gradually hardened,so that the cement slurry lost fluidity.In this process,when the cement slurry begins to thicken and partially lose plasticity,it is called initial setting;When the cement slurry loses its fluidity completely and can only bear a certain pressure,it is called final setting.The cement slurry hardened into stone after the final setting.

Puyang Junhong Rubber Co., Ltd.
Business Type:Agent , Distributor/Wholesaler , Manufacturer , Trade Company
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Products/Service:High pressure piston , Sucker Rod Centralizer , Casing Centralizer Cement head , Cementing Rubber Plug , Float shoes , Out-of-pipe packer
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