Puyang Zhongshi Group Co., Ltd. was founded in 1996, which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 60.83 million yuan, with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff . Oil machinery is our main products, the leading products include pumping unit, subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels, drilling solid control series products and cementing accessories.

Specifications

casing centralizer 
1.roller centralizer 
2.bow spring centralizer 
3.rigid centralizer 
4.cast aluminium centralizer

Characteristics:

A) Designed for High Restoring Force and Low Starting & Running Force 
B) End collars are designed with self-locking action, which are easy to assemble.
C) Undergo special coating process to prevent from rust. 
D) Can be shipped in half assembled condition for economy in shipping and storage costs. 
E) Specification: 4"---20". Any special sizes or combination can available on request.

There are welded and non-welded type, double bow and single bow available for supplying.

Technical Specification and Parameters:

API single piece casing centralizer performs satisfactorily in open hole as well as cased hole.
These high quanlity product,developed to meet and exceed API 10D specifications for  use in highly demanding downhole conditions.
Single piece casing centralizer combines  the highest restoring force with zero start force and zero running force.
The bow spring casing centralizer is used to position the casing in the center of the wellbore in  vertical deviated and horizontal wells.
The single piece centralizers reduce the effect of channelling by improving the cement flow,the results in more uniform cement thickness in the well bore.
By reducing the pipe movement before cement sets in.The single piece casing centralizers are able to minimize gas channelling.
The single piece centralizers are one piece construction in special high strength steel which imparts excellent hardness and spring action ensuring an unmatched ability to come back to its original shape after undergoing rigorous stress loads conditions.
The single piece casing centralizers are available in size 4-1/2" to 20".
Any special sizes or combination can be available on requirment.
This centralizer undergoes a special Iron Phosphate coating process to prevent it from rust and coated with special Polyester
Powder.
It is shipped in assembled condition only. 
When shipping them,in order to save space and shipment charges for customers,we usually put the smaller size centralizer into bigger size centralizer.

We do everything to enable the clients to get more benefits and to seek more business opportunities in the market. We promise to create more values for you and the society.
We must develop new technologies and new products for our clients, and make our popularity on a high level in this field; we must heighten our position and set a good example in the field. A group of experienced staff are ready to serve you with enthusiasm at any moment!

After-Sales Service:
Provide considerate services to minimize clients' worries.
(1) Assist clients to prepare for the first construction scheme;
(2) Install and debug the equipment;
(3) Train the first-line operators on site
(4) Examine the equipment regularly;
(5) Take initiative to eliminate the troubles rapidly at site;
(6) Distribute the guarantee fittings door-to-door
(7) Provide perfect service;
(8) Provide technical exchanging;
(9) Provide maintenance for big items.

Cynthia  Jiang

E-maile:    1461540332 at

                sale05 at

 Website:  

Mobile phone:    13839250964

We will do best services for you

PUYANG ZHONGSHI GROUP Co,Ltd

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