Product Details

API 10D Bow Spring Centralizer Casing Centralizer for Oil Casing

Product Description

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

API 10D casing centralizer

Casing centralizer is a cementing tool which applied to centralize casing to improving the cementing quality. They are designed for High Restoring Force and Low Starting Force for centralizing the casing pipe in a Horizontal and Deviated well.

Premium quality Bows are made of special alloy steel and hot formed in totally controlled heat treatment plant to achieve the uniform hardness all over.

Spec and performance index of bow spring casing centralizer meet API Spec 10D.

The woven centralizer is connected by pin when in use; the unfolded centralizer can be stacked flatly for convenient storage and transportation.

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 casing centralizer

Model	Hooping In-Dia.	Hooping Thickness	Hooping Height	Total Length	Max. Out-Dia.	Spring Pieces
Model	Hooping In-Dia.	Hooping Thickness	Hooping Height	Total Length	Max. Out-Dia.	Spring Pieces
in	mm	mm	mm	mm	mm	pcs
5-1/2*8-1/2	142-148	3-5	90-120	650±50	225±5	5
7*9-5/8	181-186	3-5	90-120	650±50	255±5	6
7*8-1/2	181-186	3-5	90-120	650±50	235±5	6
8-5/8*12-1/4	223-228	3-5	90-120	650±50	330±5	8
9-5/8*12-1/4	250-255	3-5	90-120	650±50	330±5	8
10-3/4*12-1/4	274-276	3-5	90-120	650±50	330±5	9
13-3/8*17-1/2	342-347	3-5	90-120	650±50	450±5	11
18-5/8*24	476±1	3-5	90-120	600±50	610±5	12
20*26	510±1	3-5	90-120	600±50	660±5	12

Weld casing centralizer

Model	Hooping In-Dia.	Hooping Thickness	Hooping Height	Total Length	Max. Out-Dia.	Spring Pieces
Model	Hooping In-Dia.	Hooping Thickness	Hooping Height	Total Length	Max. Out-Dia.	Spring Pieces
in	mm	mm	mm	mm	mm	pcs
5-1/2*8-1/2	142-148	5-7	50-60	650±50	225±5	5
6*8-1/2	154-158	5-7	50-60	650±50	255±5	5
13-3/8*17-1/2	342-349	8	50-60	580	450±5	6
20*26	510-518	8	50-60	650±50	670±5	10

Company Information

Puyang Zhongshi Group Company Ltd was founded in 1996,which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 6083 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, We had attained ISO 9001 in 1998 and API Certificates in 2002 .

Our Services

All products purchased in our company are guaranteed to keep in good repair for one year. If quality problems happen in guarantee period, our company will maintain for free. Additionally, our company provides technical support and fittings for life. After-sales service isn't restricted by time and we will assign technical personnel to solve your problems immediately after receiving telephone and hear feedback idea of users and deal with them in time. If you are caught in some problems when using our products, welcome to contact us at any time.