Stage Cementing Collar

China Stage cementing collar Supplier

Multiple stage cementing tools (Stage Cementing Collar) allow for selected intervals around the casing string to be cemented at separate times or in stages.
Two-stage cementing is the most common of the multiple-stage cementing techniques, but a three-stage method can be used. New technologies and techniques have led to the use of lightweight cement solutions in some situations that would conventionally call for multiple-stage cementing.

Mechanical Stage collar allows cementing of casing string in two stages. These collar set the standard for reliability,  cost  effectiveness, and ease of use with outstanding built-in features  and quality.  They are the collars of choice when drilling  requirements call for proven technology and low risk.  The compact, simple design minimizes the number of  moving parts and makes the tools easier to handle.
The  collar’s clear opening and closing indications at the surface  accommodate the  hydraulic conditions of the well for safer, more  efficient operations.  The internal sleeves increase reliability and  prevent premature opening from formation restrictions on applied pressures.  
It reduces total pumping pressure in long casing  strings. 

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Hydraulic  stage collar meets the challenges of cementing holes at any angle with a  hydraulically opened port system. Stage collar  designed specifically for horizontal completion.It  is specifically used for Primary cementing in deep vertical or high deviated  horizontal-well conditions. 
It reduces total  hydrostatic pressureon weak formations to prevent lost circulation during  cementing.
Clear  surface indications of opening and closing pressures provide safer and more  efficient operations. 
The opening pressure of the  stage collar can  be adjusted at rig site to meet well requirements, providing  operational flexibility. 

Stage Cementing Collar Supplier Technical Parameters: 

Stage Cementing Collar Images

Stage Cementing Collar
Stage Cementing Collar
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Producing and package of Stage Cementing Collar

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