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API Oilfield Hinged Positive Type Casing Centralizer

Puyang Zhongshi Group Co., Ltd.
  • Certification：ISO 9001:2008, API
  • Surface Treatment：Spray-Paint
  • Centralizer Type：Semi-Rigid
  • Structure：Automatic Reversing
  • Material：Carbon Steel and 65mn
  • Type：Centralizer

Base Info

  • Model NO.：Positive Casing Centralizer
  • Size Range：4 1,2′′---20′′
  • Standard：API
  • Process：Woven
  • Use：Well Cementing
  • Transport Package：Plywood Case
  • Specification：API, ISO
  • Trademark：Zhongshi
  • Origin：China
  • HS Code：73079900
  • Production Capacity：10000piece,Month

Description

Basic Info.

Model NO. Positive Casing Centralizer Size Range 4 1/2′′---20′′ Standard API Process Woven Use Well Cementing Transport Package Plywood Case Specification API, ISO Trademark Zhongshi Origin China HS Code 73079900 Production Capacity 10000piece/Month

Product Description

API Oilfield Hinged Positive Type Casing Centralizer

1) Material: carbon steel and 65Mn
 
2) Type: positive 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) Introduction

Casing centralizers are to help center the casing in the wellbore, allowing even distribution of the cement around the casing during cementing operations.
The positive casing centralizer is uniquely designed with flat bottom U profile of different depths permitting maximum fluid passage.
 
7) Application of positive casing centralizer

a. Used in most types of well designs.
b. Most suited for horizontal and directional well designs; favorable in cased hole situation.
 
8) Features of positive casing centralizer:

a. With straight bows for casing operations, this device provides extremely high stand-off (concentricity) when run inside.
b. Permitting maximum fluid passage.
c. The installation is very convenient by setting two halves on the piece and inserting the pin in the end collar hinge.
d. The disassembled centralizers make a compact package, greatly reducing shipping cost.
 
9) Parameter of positive casing centralizer
 

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


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. 12.  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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