The roller centralizer are designed in rigid body with straight or spiral blades. Rollers provide low drag to get casing, liners, or screens to bottom successfully with reduced rig time and costs.

API Casing Spiral Vane Roller Centralizer Features

Shock, impact and corrosion resistant.
Roller Centralizer can be installed on the casing with set screws on the centralizer.
High tensile and yield strengths.
Minimal roller-contact area in open hole applications reduces the risk of differential sticking.
Provides optimal standoff for increased operational efficiency
Provide a guaranteed standoff and function as bearings during the pipe rotation.

API Casing Spiral Vane Roller Centralizer Specification

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

API Bow Spring Centralizer Casing Spiral Vane Roller Centralizer

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API Bow Spring Centralizer Casing Spiral Vane Roller Centralizer

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