Customization: | Available |
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After-sales Service: | Yes |
Warranty: | 1 Year Since Delivery |
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API solid body centralizer, casing rigid centralizer
1) Material: carbon steel
2) Type: casing rigid centralizer
3) API and ISO certified
4) Specifications: 4 1/2''---13 3/8''. More special sizes or combination are available as requested.
5) Photos
6) Introduction
Casing centralizers are to help center the casing in the wellbore can be used to help align casings through well heads near surface, allowing even distribution of the cement around the casing during cementing operations.
Rigid centralizers are built out of solid steel bar or cast iron, with a fixed blade height and are sized to fit a specific casing or hole size.
7) Feature
a. Rugged and works well even in deviated wellbores, regardless of the side force.
b. Shock, impact and corrosion resistant
c. High tensile and yield strengths
d. Available with straight or spiral blades
e. Helps ensure positive centering in deviated or horizontal holes
f. Helps prevent differtial sticking while running casing
g. Provide a guaranteed standoff and function as bearings during the pipe rotation.
8) Installation
Rigid centralizers can be installed on the casing with stop collars or with integral set screws. Installations that allow casing rotation and reciprocation are preferred because of improved displacement efficiency. Most slip-on rigid centralizers must be installed between stop collars and are freely floating there between.
9) Parameter
Model | Max OD(mm) |
ID(mm) |
Length(mm) |
4-1/2" x 6" |
145 |
116.5 |
200 |
5" x 6" |
145 |
129 |
200 |
5-1/2" x 8-1/2" |
205-210 |
142 |
200/300 |
6-5/8" x 8-1/2" |
205-210 |
171 |
200/300 |
7" x 8-1/2" |
205-210 |
181 |
200/300 |
7" x 9-1/2" |
225-235 |
181 |
200/300 |
7" x 9-5/8" |
225-235 |
181 |
200/300 |
9-5/8" x 12-1/4" |
300-305 |
248 |
200 |
13-3/8" x 17-1/2" |
430-435 |
346 |
200 |
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 Q1, 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.