Model Dct Casing Centralizer
Super-strengthen spring steel is applied to centralize casing in wellbore, and improves cementing quality.
Technical Features
l Every attachment is pressed into shape by moulding instead of welding and rivet.
l 3-Section structure for easy transport.
l Starting force and restoring force conform to API standards.
l Easy-and-convenient to use.
l Alternative turbulence plates can effectually improve displacement efficiency.
Technical Parameters
Specifications | 20" | 18⅝" | 16" | 14" | 13⅜" | 12¾" | 10¾" | 9⅝" | 7⅝" | 7" | 6⅝" | 5½" | 5" | 4½" |
Casing Size | 20" | 18⅝" | 16" | 14" | 13⅜" | 12¾" | 10¾" | 9⅝" | 7⅝" | 7" | 6⅝" | 5½" | 5" | 4½" |
Open Hole Size | 24" 26" | 22" 24" | 20" 22" | 18" | 17½" | 17½" | 12¼" | 12¼" | 9⅞" | 8½" | 8½" | 8 ½" | 6½" | 6" |
O.D., mm | 650 714 | 590 680 | 550 613 | 484 | 470 | 466 | 370 | 375 | 273 | 252 | 245 | 256 | 190 | 181 |
Casing Spring Centralizer
Technical Parameters
Type | Inside diameter | Height | Total height | Largest diameter |
5“*12-1/4” | 128-131 | 105 | 690 | 330 |
5-1/2”*8-1/2” | 142-148 | 55 | 650 | 225 |
6”*8-1/2” | 156-158 | 55 | 650 | 235 |
7-5/8”*9-5/8” | 197-201 | 55 | 650 | 275 |
9-5/8”*12-1/4” | 250-255 | 55 | 650 | 330 |
5-1/2”*8-1/2” | 142-148 | 110 | 650 | 225 |
7”*9-5/8” | 181-186 | 110 | 650 | 255 |
7”*8-1/2” | 181-186 | 110 | 650 | 235 |
5”*6-1/2” | 128-131 | 110 | 650 | 175 |
7-5/8”*9-1/2” | 196-200 | 110 | 650 | 250 |
5”*6-1/4” | 130-132 | 110 | 650 | 170 |
9-5/8”*12-1/4” | 250-255 | 110 | 650 | 330 |
5-1/2”*8-1/2” | 142-148 | 55 | 650 | 225 |