Saigao Rubber plug used to separate the cement slurry from other fluids, reducing contamination and maintaining predictable slurry performance. Two types of cementing plug are typically used on a cementing operation. The bottom plug is launched ahead of the cement slurry to minimize contamination by fluids inside the casing prior to cementing. A diaphragm in the plug body ruptures to allow the cement slurry to pass through after the plug reaches the landing collar. The top plug has a solid body that provides positive indication of contact with the landing collar and bottom plug through an increase in pump pressure.
A Cementing Plug is a separator that acts as a barrier between cement slurry and hydrocarbons present in a reservoir. This plug is made up of rubber and is also known as a wiper plug. The primary purpose of using the plug during cementing jobs is to prevent or reduce any contamination of hydrocarbons from cement slurry and maintain the predictable slurry performance.
The cementing plug series is divided into ordinary cementing plugs, upper and lower rubber plugs for double rubber plug cementing, and upper and lower rubber plugs for double-stage cementing.
Standard type cement plug is suitable for all kinds of float hoops and floating shoes; anti-rotation cement plugs are suitable for anti-transition float hoops and floating shoes.
The top plug and bottom plug are designed with double-stage sealing and scraping wings.
Scraping wings processed by wear resistant materials.
Anti-rotation rubber plug is designed with anti-rotation mechanism, which can greatly improve the drilling speed.
PDC bit or roller bit can be drilled.
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