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Oilfield Casing Rigid Roller Centralizer 139.7mm 5 1/2 Inch

China Puyang Zhongshi Group Co., Ltd. certification
China Puyang Zhongshi Group Co., Ltd. certification
Recommendation is good. Reception is professional. Demo training is also very great. Wish more online training after getting the machine.2017.8.26

—— David

Thanks for your kindly hospitality. Your company is very professional , we will have nice cooperation in the near future. 2015.6.28

—— Sergey

Good company with nice service and high quality and high reputation. One of our reliable supplier , goods are delivered in time and nice package 2016.3.25

—— Steve

Thanks for your good after-sale service. Excellent training and technology support helps me a lot. 2018.4.23

—— Mostafa

Professional, very helpful, great price. Will use again for other items 2019.2.21

—— Ahmed

Thanks for zhongshi group supporting and guidence. With your help and instruction, I win more market share. 2017.9.26

—— Manuel

Nice cooperation with zhongshi group.Imperssive for your service and support. 2018.3.18

—— Luis

We are satisfied with your product's quality. We highly appreciate to see the excellent performances in production capacity and thanks for the specialist technical support from you 2018.11.16

—— Mohammed

Good company with professional service and high quality. Delivered in time. Our most trusted partner for sucker rod and OCTG pipe. 2018.7.24

—— Nicolas

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Oilfield Casing Rigid Roller Centralizer 139.7mm 5 1/2 Inch

Oilfield Casing Rigid Roller Centralizer 139.7mm 5 1/2 Inch
Oilfield Casing Rigid Roller Centralizer 139.7mm 5 1/2 Inch

Large Image :  Oilfield Casing Rigid Roller Centralizer 139.7mm 5 1/2 Inch

Product Details:

Place of Origin: China
Brand Name: Puyang Zhongshi Group
Certification: API,ISO,QHSE
Model Number: 4 1/2"~36"

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: Wooden Box
Delivery Time: depends on quantity
Payment Terms: T/T, MoneyGram
Detailed Product Description
Product Name: Oilfield Casing Rigid Roller Centralizer Material: 65Mn
Processing: Forging Roller: Depends
Color: Red Color Field: Well Drilling
High Light:

139.7mm Rigid Roller Centralizer


Casing Rigid Roller Centralizer


5 1/2 Inch casing centralizer

Oilfield Casing Rigid Roller Centralizer​


The casing rigid roller centralizer consists of a rigid body, on which machined five spiral blades. There are three or four modified alloy steel, fully heat treated rollers fixed on every spiral blades. The assembly is shown as following fig. Because of rigid body and rolling friction between the rollers and inside of well or casing, the capability of the top wire casing rigid roller centralizer is better than others of all. Recommend to use the tool in deviated holes and horizontal holes


Oilfield Casing Rigid Roller Centralizer​ Features

  • The centralizer body is processed by casting, the rollers is alloy steel and then heat treatment.
  • Duo to the low friction feature and roller,it is easy to run between roller and inside of casing.
  • The roller centralizer is used in horzontal or deviated well to centre casing.
  • This kinds of centralizer can remove the wellbore stone and make the mud flow easily.
  • The roller provides high wear resistance and has long life for centralizer.
  • Our centralizer coating is powder baking in high temperature.
  • The roller centralizer sizes are from 4-1/2inch to 20inch,any special sizes are available according requirement.


Oilfield Casing Rigid Roller Centralizer​ ​Specification
Casing centralizer Min Hole I.D. O.D. OAL
(mm/inch) (mm/inch) (mm/inch) (mm/inch) (mm/inch)
139.7(5-1/2) 215.9(8-1/2) 143(5-5/8) 211(8-5/16) 260(10-1/4)
177.8(7) 215.9(8-1/2) 181(7-1/8) 213.4(8-13/32) 260(10-1/4)
244.5(9-5/8) 311.15(12-1/4) 247.5(9-11/16) 305.4(12-1/64) 260(10-1/4)
339.7(13-3/8) 406.4(16) 344(13-35/64) 402(15-53/64) 260(10-1/4) 



Contact Details
Puyang Zhongshi Group Co., Ltd.

Contact Person: Jamie

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