API Bow Spring Slip on Welded Casing Centralizer

• Customization: Available
• Certification: ISO 9001:2008, API
• Surface Treatment: Spray-Paint
• Model NO.: welded Bow Spring Casing Centralizer
• Structure: Automatic Reversing
• Material: Carbon Steel and 65mn
• Type: Centralizer
• Size Range: 4 1/2′′---20′′
• Standard: API
• Process: Welded
• Use: Well Cementing
• Transport Package: Plywood Case
• Specification: API, ISO
• Trademark: Zhongshi
• Origin: China
• HS Code: 73079900
• Production Capacity: 10000piece/Month

Product Description

Product Description

API Bow Spring Slip on Welded Casing Centralizer

1) Material: Carbon Steel for collar; 65Mn for bow
 
2) Type: welded casing centralizer
 
3) Standard: API
 
4) API and ISO certified
 
5) Specifications: 4 1/2''---20''. More special sizes or combination are available as requested.

6) Photo



 
7) Application

Bow spring casing centralizer is to help center the casing in the wellbore, allowing even distribution of the cement around te casing during cementing operations.
 
8) Function

a. Take casing to designed position by reducing sticking while casing going down.
b. Centralize casing in well.
c. Balance liquid pressure in annular space by reducing adhesion phenomenon.
d. Improving replacing ratio of mud and boosting cementing quality by reducing channeling effect.
e. Reset force of double-bow casing centralizer is higher than sigle-bow casing centralizer's, and centralization performance is stronger.
 
9) Features:

a. Designed for high restoring force and low starting&running force
b. Undergo special coating process to prevent from rust

10) Parameter
 

Model (in)	Hooping In-Dia. (mm)	Hooping thickness(mm	Total length (mm)	Max.Out-Di (mm)	Amount of spring(mm)
5-1/2" x 8-1/2"	142-148	3-5	650±50	225±5	5
7" x 9-5/8"	181-186	3-5	650±50	255±5	6
7" x 8-1/2"	181-186	3-5	650±50	235±5	6
8-5/8 x 12-1/4"	223-228	3-5	650±50	330±5	8
9-5/8 x 12-1/4"	250-255	3-5	650±50	330±5	8
10-3/4 x 12-1/4"	274-276	3-5	650±50	330±5	9
13-3/8"x17-1/2"	342-347	3-5	650±50	450±5	11
18-5/8"x24"	475-477	3-5	600±50	610±5	12
20"x26"	509-511	3-5	600±50	660±5	12

Certificate:


Package:


Company Information

Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. 
 
We have the certificates of API 5CT, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001, etc..  
 
Our  products mainly include: 
 
1. Casing Centralizer                          
2.  Float Collar & Float Shoe 
3. Cementing Plug                              
4.  Cementing Head
5.  Cement Basket                              
6.  Tubing Pump / Rod Pump
7.  Valve Ball & seat                            
8. Casing / Tubing Pipe and Coupling
9. Stage Collar                                    
10. Pumping Unit
11. Sucker Rod
 
Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.  Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.

Contact Us

PUYANG ZHONGSHI GROUP CO.,LTD

Add: 5th community, Zhongyuan Oilfield, Puyang, China

Website: zschinajixie.en.made-in-china.com;
                 zschinajixie.en.made-in-china.com;
                 zschinajixie.en.made-in-china.com

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