Gold Member Since 2010
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Puyang Zhongshi Group Co., Ltd.

Casing Centralizer, Slip on Standard Bow Spring Integral Centralizer, Non-Weld Casing Centralizer manufacturer / supplier in China, offering Roller Casing Centralizer in Oil Drilling, API Certificated Valve Ball and Valve Seat, API Spiral Blade Cast Aluminum Centralizer and so on.

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Supplier Homepage Product Oil well down-hole tools Roller Casing Centralizer in Oil Drilling

Roller Casing Centralizer in Oil Drilling

FOB Price: US $20-99 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $20-99/ Piece
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Port: Qingdao, China
Production Capacity: 5000 Sets/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: API 10D
  • Surface Treatment: Spray-Paint
  • Structure: Roller
  • Type: Centralizer
  • Sample: Provide
  • Delivery: Promptly
  • Trademark: zhongshi
  • Specification: API Solid Rigid Centralizer Standard
  • HS Code: 0
  • Certification: CE, ISO 9001:2000, ISO 9001:2008
  • Centralizer Type: Rigid
  • Material: Stainless Steel
  • Product Name: Roller Centralizer
  • Payment: T/T or L/C
  • Application: Oilfield
  • Transport Package: Wooden Case
  • Origin: China
Product Description
Introduction
Solid rigid centralizers are built out of solid steel bar or cast iron or other solid material, with a fixed blade height and are sized to fit a specific casing or hole size, to help center the casing in the wellbore.
Roller Centralizers are solid rigid Centralizers designed with rollers on the vanes of the centralizer.
 
Features for solid rigid centralizers with rollers:
a. Change slipping friction to rolling friction to reduce the friction and let casing go to desired position smoothly.
b. Remove wellbore cake and improve mud replacement efficiency etc.
c. Provide superior wear resistance.
d. Remain functional throughout the life of the well.
e. Able to aid in casing/tubing retrieval.
f. Roller/axle relationship ensures that axle shear stresses remain within elastic limits, preventing permanent deformation.
g. Axles are crimped in place, eliminating the welding process, while ensuring the rollers cannot be broken and fall into the wellbore freely. 
h. High pressure and high temperature resistance with high quality material.
 
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.
 
Parameter
ModelMax OD(mm)ID(mm)Length(mm)
4-1/2" x 6"145116.5200
5" x 6"145129200
5-1/2" x 8-1/2"205-210142200/300
6-5/8" x 8-1/2"205-210171200/300
7" x 8-1/2"205-210181200/300
7" x 9-1/2"225-235181200/300
7" x 9-5/8"225-235181200/300
9-5/8" x 12-1/4"300-305248200
13-3/8" x 17-1/2"430-435346200
  
Please send an email if you have the interest. 
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