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Casing centralizer as a cementing tool is applied in vertical, deviated and horizontal wells to centralize casing for improving the cementing quality. The cement could be concreted firmed between casing and borehole wall. It can be installed on casing joint or any position working with stop collar for centralizing. Our centralizer with API standard sizes range from 4-1/2" to 20" and surface is coated by powder baking or paint baking. The products have high tensile and yield strength, shock, impact and corrosion resistance performance.
1.Every attachment is pressed into shape by moulding instead of welding and rivet.
2.3-section structure for easy transport.
3.Starting force and restoring force conform to API standards.
4.Easy-and-convenient to use.
5.Alternative turbulence plates can effectively improve displacement efficiency.
Model | Hooping In-Dia.(mm) | Hooping thickness(mm) | Total length | Max.Out-Di | Amount of spring(mm) |
(in) | (mm) | (mm) | |||
5-1/2"x 8-1/2" | 142-148 | 3-5 | 650±50 | 225±5 | 5 |
7"x 9-5/8" | 181-186 | 3-5 | 650±50 | 255±5 | 6 |
7"x 8-1/2" | 181-186 | 3-5 | 650±50 | 235±5 | 6 |
8-5/8 x 12-1/4" | 223-228 | 3-5 | 650±50 | 330±5 | 8 |
9-5/8 x 12-1/4" | 250-255 | 3-5 | 650±50 | 330±5 | 8 |
10-3/4 x 12-1/4" | 274-276 | 3-5 | 650±50 | 330±5 | 9 |
13-3/8"x 17-1/2" | 342-347 | 3-5 | 650±50 | 450±5 | 11 |
18-5/8" x 24" | 475-477 | 3-5 | 600±50 | 610±5 | 12 |
20"x 26" | 509-511 | 3-5 | 600±50 | 660±5 | 12 |