the creators of the ingenious Cement Support Tool (CST).

With todays rig spread rate it is more important than ever to succeed with plugging operation.
Industry average is a 40 – 60 % success rate in setting off bottom cement plugs, ie 2 plugs are required for each success. A loss of 2- 4 days for each failure is common.

By using the CST the success rate can be raised to the same level as setting the cement plug on bottom.

The CST is made from aluminum and composites and fabricated in a way that it can be folded together as an umbrella inside the transport tube.

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when competent plug cementing is an issue

Proper support of the cement plug is essential for a successful plug placement. With the CST this is no longer a concern or time consuming.

Common Causes of Plug Failure

  • Poor well evaluation

  • Poor mud removal

  • Downward movement of the cement slurry

  • Insufficient cement slurry volume

Phase One

The CST Transport tube is placed into the top of the drill pipe.

Phase two

The CST Tool is is pushed into the drill pipe from the Transport Tube, then the Transport tube is removed.

Phase three

The CST Tool is circulated into place ahead of the cement.

Phase four

With the CST Tool in place, the cement can be placed with a higher probability of the plug avoiding contamination.

the creators of the ingenious Cement Support Tool (CST).

With todays rig spread rate it is more important than ever to succeed with plugging operation. 
Industry average is a 40 – 60 % success rate in setting off bottom cement plugs, ie 2 plugs are required for each success. A loss of 2- 4 days for each failure is common. 

By using the CST the success rate can be raised to the same level as setting the cement plug on bottom.

The CST is made from aluminum and composites and fabricated in a way that it can be folded together as an umbrella inside the transport tube.

CST Tool

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CST

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Perigon

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