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ACT Cementing Head is used for cementing the annular space between casing and bore hole during 2nd stage of well construction cycle. The Cementing Head is employed to connect the pumps of the cementing trucks to the casing string and provides access for insertion of the cementing plugs<br>Website : https://www.zs-oilfieldequip.com/
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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
A cementing head apparatus is disclosed, for injecting a cementing plug into a well casing. The basic apparatus is made up of a head unit, manifold unit, and a tubular mandrel slidable within the manifold unit. Prior to injecting cement into the well casing, the cementing plug is mounted in the head unit and held in place by a shearable O-ring
When the desired amount of cement has been pumped, the mandrel is moved to a position which cuts off the cement flow and diverts another fluid only into the space above the plug. The resulting pressure above the plug shears the o-ring and allows the plug to follow the slurry down the well casing.
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