) Material: 65Mn steel
2) Type: one piece casing centralizer
3) Standard: API 10D
4) API and ISO certified
5) Specifications: 4 1/2''---20''. More special sizes or combination are available as
6) Characteristic: Our single piece casing centralizer has restoring force almost two times of API standard.
A. Normal spray single piece centralizer:
B. Casing Centralizers with extending straight bows and bulgy bars
in middle of each bow which have better restoring function:
C. The shuttle-shape bow (narrower bar at two ends) is the unique design for our casing
centralizer. This design has higher restoring force, anti-drag
feature and more beautiful appearance with baking varnish matt coating surface than normal single piece centralizer:
Bow spring centralizers are to help center the casing in the
wellbore, allowing even distribution of the cement around the
casing during cementing operations.
The single piece casing centralizer is made from special high
strength steel (65Mn steel), which gives more excellent hardness
and spring action than other types of centralizers.
8) Features of Single Piece Casing Centralizer:
a. Made from high strength steel (65Mn steel) for whole piece.
b. Designed with slip-on structure.
c. Have better centralizing function because of its higher
d. Undergo special coating process to prevent from rust.
|Hooping In-Dia. (mm)||Hooping thickness(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|
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 10D, 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. Air Blaster 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.