Conventional Plug Casing Buoyancy System 135mm OD Top Plug Cementing
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Detailed Product Description
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CEMENTING PLUGS CONVENTIONAL CEMENTING PLUG, CEMENTING TOOLS, CASING BUOYANCY SYSTEM PART, TOP OR BOTTOM , ANTI ROTATION Cementing plugs are used to remove the mud during cementing
operations. Top cementing plugs and bottom cementing plugs are used in the
cementing process. The top and bottom cementing plus general have different colors (bottom plugs are red
and top plugs are black) in production for easy usage in operation. The top cementing plug has a solid body that provides positive
indication of contact with cementing floating collar and bottom plug through an increase in
pump pressure. The bottom cementing plug with a hollow body is installed ahead of
the cement slurry to minimize contamination by fluids inside the casing prior to
cementing. ADVANTAGES AND MAIN FEATURES
Conventional top and bottom cementing plugs significantly reduce
the drill out time to save cost. The bottom plug separates the cement from drill mud and features a
rubber diaphragm which is opened once the plug has landed and latched into the conventional
cementing float collar. The top cementing plug is used as a floow-up plug to displace
cement to provide a anti-rotational feature to eliminate rotation during drilling and save drill out time when
it is latched into the upper end of the bottom plug. Performance features › Aim to reduce the drill out time and save cost. › Top plugs are used as a fllow plug to displace the cement and
land on the upper end of the bottom plug. › The body consists of ebonite inserted molded with elastomer,
which is easy to fracture than the rubber and aluminum structure, thus reducing the drill out time
significantly. › No metal parts are used therefore the plugs are PDC drillable. Options › Available in sizes from 4-1/2" to 20" › Available in NR, SBR, NBR and HNBR grades.
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