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Bow Spring Centralizer

Bow Spring Centralizer

Bow Spring Centralizer

Super-strength spring steel is applied to centralize casing in wellbore,and improve cementing quality.


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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 effectively improve displacement efficiency.


Specification

Number of slice

Max OD

(㎜)

ID

(㎜)

Length

(㎜)

YDFJ—41/2"×6"

4

160

116

450/575

YDFJ—4 1/2"×6 1/4"

4

167

116

450/575

YDFJ—4 1/2"×7 7/8"

4

210

116

450/575

YDFJ—4 1/2"×8 1/2"

4

230

116

450/575

YDFJ—5"×6"

4

160

128

450/540

YDFJ—5"×6 3/4"

4

180

128

450/575

YDFJ—5"×7 7/8"

4

210

128

450/575

YDFJ—5 1/2"×7 7/8"

5

210

140

450/575

YDFJ—5 1/2"×8 1/2"

5

216/245

140

450/575

YDFJ—5 1/2"×8 3/4"

5

222/250

140

450/575

YDFJ—5 1/2"×9 7/8"

5

251/264

140

450/575

YDFJ—51/2"×91/2"

5

242/264

140

450/575

YDFJ—7"×8 1/2"

6

216/230

179

450/575

YDFJ—7"×8 3/4"

6

222/233

179

450/575

YDFJ—7"×9 1/2"

6

242/264

179

450/575

YDFJ—7"×9 7/8"

6

251/264

179

550/650

YDFJ—9 5/8"×12 1/4"

8

346

245

550/650

YDFJ—9 5/8"×13 3/8"

8

346/352

245

550/650

YDFJ—9 5/8"×12 13/16"

8

378

245

550/650

YDFJ—10 3/4"×15 1/2"

9

405

275

550/650

YDFJ—φ273.05×φ374

9

374

275

550/650

YDFJ—13 3/8"×17 1/2"

10

440/446

342

550/650

YDFJ—13 5/8"×17 1/2"

11

440/466

342

550/650

YDFJ—20"×26"

17

696

510

550/610/650


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