4-1/2" * 6-1/2" Hole Centralizer for Oilfield

• After-sales Service: Yes
• Warranty: 1 Year
• Material: Carbon Steel
• Color: Red, Yellow or as Requested
• Size: as Requested
• Certificate: API 10d
• Model NO.: 4-1/2" * 6-1/2"
• Transport Package: Plywood Cases or Depending on Customers
• Specification: API
• Trademark: zhongshi
• Origin: Henan, China
• HS Code: 8431
• Production Capacity: 10000PC/Month

Product Description

4-1/2" * 6-1/2" Hole Centralizer for Oilfield

Rigid centralizer which is most suitable for highly deviated wells and horizontal wells has two or three rollers in each blade. It can change slipping friction to rolling friction, so the Roller rigid centralizer greatly reduces the friction between casing and wellbore wall and let casing go to desired position smoothly

Cast aluminum centralizer:
The smooth spiral 360 overlap solid vane design of centralizers provide max wall contact will not damage wellhead equipment, has high impact and shock resistance comand fluid swirl. The 30slope from the body to the height of the vane will eliminate scraping, or digging into the formation.
 

Casing Size (mm/inch)	Minimum Hole  (mm/inch)	I.D.  (mm/inch)	O.D. (mm/inch)	OAL (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. (9-5/8)5	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)

Main products:
1. Pumping unit
2. Tubing pump/sucker rod pump and accessories
3. Float collar and float shoe
4. Casing centralizer
5. Cementing plug
6. Cementing head
7. Stage Collar
8. Casing/ Tubing coupling
9. Drill pipe
10. Sucker rod
11. Air blaster