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Hydraulic rotation liner hanger
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Hydraulic rotation liner hanger

The rotating liner will impose dragging and carrying force on annulus fluid, leading to the spiral rising of drilling fluid and cement slurry, realizing the fully displacement of cement slurry and achieving higher displacement efficiency.
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Tel: 0086-13127378823
Mailbox: sale@oil-tools.com.cn

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Product introduction

The rotating liner will impose dragging and carrying force on annulus fluid, leading to the spiral rising of drilling fluid and cement slurry, realizing the fully displacement of cement slurry and achieving higher displacement efficiency.

 

Technical features

1. Lower the liner string to the design location, and rotate it in case of any encumbrance.

2. Open the pump for circulation to ensure it is in normal operation, and compress balls to realize seat hanging.

3. Hydraulically release, open up ball seats, and then rotate the liner.

4. For cement injection construction, after pressure bumping, propose sending in drill stems.

Technical parameters

Specifications

340×245

245×178(140)

178×127(114)

168×114

140×102(95,89)

Rated suspending load, t

240

120

50

50

30

Sealing capacity, MPa

25

25

25

25

25

Shearing pressure of suspension shear pin, MPa

7--8

7---8

7---8

7---8

7---8

Shearing pressure of ball seat shear pin, MPa

17--18

17--18

17---18

17---18

17---18

Shearing pressure of hollow-core plug shear pin, MPa

10--12

10--12

10--12

10---12

10--12

Maximum out diameter of the body, mm

308

214

151

138

117

Inner diameter of the body, mm

220.5

155

108.6(97.2)

97.2

97.2(82,76)

Length of tie back tube, mm

500

500

300

300

140

Inner diameter of tie back tube, mm

255

187

130

124

102

Applicable casing wall thickness, mm

8.33,9.65,10.92,12.19

8.94,10.03,11.05,11.99

9.19,10.36,11.51

7.32,8.94,

6.20,6.98,7.72,

13.06

10.59,

9.17

 

12.06

 

We could not find any corresponding parameters, please add them to the properties table
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