Super-strengthen spring steel is applied to centralize casing in wellbore, and improves cementing quality.
Features
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 effectually improve displacement efficiency.
Specifications
Specifications | 20" | 18 5/8" | 16" | 14” | 13 3/8" | 12 3/4" | 10 3/4" | 9 5/8" | 7 5/8" | 7" | 6 5/8" | 5 1/2" | 5" | 4 1/2" |
Casing Size | 20" | 18 5/8" | 16" | 14” | 13 3/8" | 12 3/4" | 10 3/4" | 9 5/8" | 7 5/8" | 7" | 6 5/8" | 5 1/2" | 5" | 4 1/2" |
Open Hole Size | 24" 26" | 22" 24' | 20" 22" | 18" | 17 1/2 | 17 1/2" | 12 1/4" | 12 1/4" | 9 7/8" | 8 1/2" | 8 1/2" | 8 1/2" | 6 1/2" | 6" |
Max O.D. mm | 650 714 | 590 680 | 550 613 | 484 | 470 | 466 | 370 | 375 | 273 | 252 | 256 | 190 | 181 |