Dezhou Yuanda Petroleum Machinery Co., Ltd.

Bow spring centralizer

  • BOW SPRING CENTRALIZER
  • BOW SPRING CENTRALIZER
  • BOW SPRING CENTRALIZER
Presentation
Super-strength spring steel is applied to centralize casing in wellbore,and improve cementing quality.
Product feature
Features:
1Every attachment is pressed into shape by moulding instead of welding and rivet. 
23-section structure for easy transport.
3Starting force and restoring force conform to API standards.
4Easy-and-convenient to use.
5Alternative turbulence plates can effectively improve displacement efficiency.
Technical parameters

 Specification

Number of slice

Max OD

L

ID

L

Length

L

YDFJ41/2"6"

4

160 

116

450/575

YDFJ4 1/2"6 1/4"

4

167

116

450/575

YDFJ4 1/2"7 7/8"

4

210

116

450/575

YDFJ4 1/2"8 1/2"

4

230

116

450/575

YDFJ5"6"

4

160

128

450/540

YDFJ5"6 3/4"

4

180

128

450/575

YDFJ5"7 7/8"

4

210

128

450/575

YDFJ5 1/2"7 7/8"

5

210

140

450/575

YDFJ5 1/2"8 1/2"

5

216/245

140

450/575

YDFJ5 1/2"8 3/4"

5

222/250

140

450/575

YDFJ5 1/2"9 7/8"

5

251/264

140

450/575

YDFJ51/2"91/2"

5

242/264

140

450/575

YDFJ7"8 1/2"

6

216/230

179

450/575

YDFJ7"8 3/4"

6

222/233

179

450/575

YDFJ7"9 1/2"

6

242/264

179

450/575

YDFJ7"9 7/8"

6

251/264

179

550/650

YDFJ9 5/8"12 1/4"

8

346

245

550/650

YDFJ9 5/8"13 3/8"

8

346/352

245

550/650

YDFJ9 5/8"12 13/16"

8

378

245

550/650

YDFJ10 3/4"15 1/2"

9

405

275

550/650

YDFJ273.05374

9

374

275

550/650

YDFJ13 3/8"17 1/2"

10

440/446

342

550/650

YDFJ13 5/8"17 1/2"

11

440/466

342

550/650

YDFJ20"26"

17

696

510

550/610/650


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