Hinged Non Welded Semi Rigid Bow Spring Centralizer For oilfield

  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:

Non Weld semi Rigid Centralizers has the ability to withstand high lateral load encountered.
This device ensures high efficiency in casing jobs on Deviated and Horizontal wells.
Combining the features of Standard Spring Bow Centralizers and Rigid Centralizers.
It has high Restoring force and high Stand Off with low Running Force which is ideally suitable for Deviated and Horizontal wells where load on springs are maximum.
Bows spring is made of premium quality Alloy Steel under rigid Heat treatment plant.
The spring characteristics of Double Crested profile permits compression to facilitate movement through Tight spots and Doglegs.
Compared to other Spring Bow Centralizers this device attains high Stand Off because of high Restoring force.
It increases contact area for less Bow penetration, which helps in complete Mud removal while Cementing.
Bows can be configured for any hole dia from choice of Five standard Double Crested Bows.
These Centralizers undergo a special Iron Phosphate coating process to prevent from Rust then coated with special Polyester Powder.
These can be shipped in half assembled condition for economy in shipping and storage costs.
They are available in 4 1/2" to 20" sizes.
Any special sizes or combination can available on request.

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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