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Hinged type bow spring centralizer

Hinged type bow spring centralizer is a kind of casing centralizer which is the key equipment for oilfield drilling cementing operation. It is a traditional processed and economic centralizer,this kinds of centralizer is usually used in general vertical or slightly deviated wells .

Our hinged type bow spring centralizer is designed with hinged type structure.

We CCSC technology dedicate to provide total professional bow spring centralizer to our clients, our bow spring centralizer are typically include dual bow spring and single bow spring type option.

Usually single bow spring designed for straight well, dual bow spring designed for inclined well slope well which is less than 30 degree.

bow spring centralizer.It is simple way to increase the restoring force according to bow height.The higher bow,the more restoring force.

The bow of spring centralizer is made of special spring steel which is better tensile strength than general steel,our design are all according to API standard.

Our hinged type bow spring centralizer has the characteristics of higher restoring force,this kinds of heat treated bow provides good centralization in the well when in fast running casing.

The Hinged type bow spring centralizers are available in size 4-1/2" to 20".

We can supply two kinds of hinged bow spring centralizer like welded centralizer and non welded centralizer.

Due to the flexibility of bows, they can pass through narrow hole sections and expand in the targeted locations.

The shape and stiffness of the bows determine the restoring force, which is defined as the resistance force when a bow is compressed by 1/3 of its uncompressed height. The effectiveness of this type of centralizer is heavily dependent on the restoring force.

Their installation on the casing pipe is very convenient.It requires only the placement of the two assembled halves on the pipe and inserting the pin in the end collar hinge.

 

                Model A  Dual bow spring centralizer                                                         Model B  Single bow spring centralizer

        

 

Model C  Single bow spring centralizer with spinning disk

 

Features:

Made by pressing mold, no welding,no rivet, robust structure

Three pieces structure, Convenient transportation

Starting and resetting forces acc. to API 10D standard

Easy installation, spinning disk structure as optional to improve fluidity of liquid

Better displacement efficiency of cementing

 

 

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Disclaimer:

CCSC Technology & CCSC Petroleum Equipment Limited Company is not an authorized agent or sales representative of Weatherford and Schlumberger.

 

 

 

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