API Certificated Roller Centralizer, Rigid Roller Centralizer

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

Product Description

API Certificated Roller Centralizer, Rigid Roller Centralizer

The rigid roller centralizer consisits of a rigid body, on which machined five spiral blades and streamlined diversion trenches between blades. On every spiral blades, there are three or four rollers made from modified alloy steel fully heat treated.

The assembly is shown as following fig. Because of the rigid body and rolling friction betwwen the rollers and inside wall of well or casing, the capacity of the RCR centralizer is better than others of all. Recommend to use the tool in cementation of deviated holes and horizontal holes.

Size:

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