Hydraulic Liner Hanger

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Hydraulic Liner Hanger

Hydraulic Liner Hanger is designed with single/double cone and single/double row slips structure. It is hydraulically set by applying pressure through the run-in string. After brass ball is dropped to ball at in landing collar, high pressure fluid acts on piston inside cylinder and move slips upward to set position.

We are one of hydraulic liner hanger manufacturers.

4 types of Liner Hangers Hydraulic :

  • 1. SSX-A Hydraulic Liner Hanger
  • 2. SYX-A Hydraulic Liner Hanger
  • 3. XGS-A Hydraulic Liner Hanger
  • 4. DYX-A Hydraulic Liner Hanger

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The types of Hydraulic Liner Hanger

  • 1. SSX-A Hydraulic Liner Hanger Double Cone, Double Cylinder and Double row slips structure)
  • 2. SYX-A Hydraulic Liner Hanger Double Cone and Double row slips Structure)
  • 3. XGS-A Hydraulic Liner Hanger(Single Cone and Single row slips Structure)
  • 4. DYX-A Hydraulic Liner Hanger ( Single Cone and Single row slips Structure)

1. SSX-A liner hanger Description

SSX-A liner hanger, designed with double cones, double cylinders and double-row slips, is hydraulically set by applying pressure through the run-in string. After brass ball is dropped to ball seat in landing collar, high pressure fluid acts on piston inside cylinder and move slips upward to set position.

Specification,mm Φ244.5 X Φ177.8mm/Φ139.7mm Φ339.7mm X Φ244.5mm
Rated Load,t160240
Sealing Capacity,MPa2525
Shearing Pressure of Pins in Cylinder,MPa7-87-8
Casing Wall Thickness,mm10.03
11.05
11.99
9.65
10.92
12.19
Casing Weight,Kg/m59.52
64.73
69.94
54.5
68
85
Body Max O.D.,mm215308
Body Min I.D.,mm155220.5

2. SYX-A Liner Hanger Description

SYX-A Liner Hanger, designed with double cone and double row slips structure, is hydraulically set by applying pressure through the run-in string. After brass ball is dropped to ball seat in landing collar, high pressure fluid acts on piston inside cylinder and move slips upward to set position.

Specifications, mmΦ244.5×Φ177.8/Φ139.7
Rated Load, t160
Sealing Capacity, MPa25
Shearing Pressure of Pins, MPa7~8
Casing Wall Thickness, mm10.03 11.05 11.99
Casing Weight, kg/m59.52 64.73 69.94
Body Max O.D., mm215
Body Min I.D., mm155

3. XGS-A Hydraulic liner Hanger Description

XGS-A Hydraulic liner Hanger is hydraulically set by applying pressure through the run-in string. A setting ball is circulated and dropped to ball seat built into the lauding collar. Applied pressure acts on the internal piston and moves ships up the cone to the set position.

XGS-A Hydraulic Liner Hanger Technical Parameters

Specifications, in/ mm5.1/2″x 4″ / Φ139.7×Φ101.6
5.1/2″x 3 1/2″ / Φ139.7× Φ88.9
Rated Load, t30
Sealing Capacity, MPa35
Shearing Pressure of Pins, MPa7~8
Casing Wall Thickness, mm7.72 9.17
Casing Weight, kg/m25.30 29.76
Body Max O.D., mm117
Body Min I.D., mm85

4. DYX-A Liner Hanger Description

DYX-A Liner Hanger, designed with single cone and single row slips structure, is hydraulically set by applying pressure through the run-in string. After brass ball is dropped to ball at in landing collar, high pressure fluid acts on piston inside cylinder and move slips upward to set position.

DYX-A Hydraulic Liner Hanger Technical Parameters

Specifications,(in)7″×10 3/4″7″×9 5/8″ 5 1/2″×9 5/8″5 3/4″×7 5/8″ 5 1/2″×7 5/8″5″×7″ 4 1/2″×7″
Rated Load, KN18001200800500
Sealing Capacity, MPa>35>35>35>35
Shearing Pressure of Pins, MPa7~87~87~87~8
 Casing Wall Thickness, mm10.16 11.43 12.5710.03 11.05 11.999.52 10.92 12.79.19 10.36 11.51
Casing Weight, kg/m67.70 75.89 82.5859.52 64.73 69.9441.19 50.15 58.0338.69 43.15 47.62
Body Max O.D., mm242215165152
Body Min I.D., mm155155121.4108.6
  • 1. Be set hydraulically, suitable for shallow and medium-depth wells.
  • 2. Working with ball-setting carrier, suitable for horizontal and highly-deviated well
  • 3. Sealing element is made from nitrite/fluorine rubber, rating temperature 120℃
  • 4. Main parts are made with high-strength alloy steel providing high burst/ collapse resistance
  • 5.Setting tool can be easily released just by slacking off certain weight and using right hand rotation.
  • 6.Retrievable pack-off bushing can be retrieved with setting tool, avoid drill-out

Liner Hanger Hydraulic , designed with single/double cone and single/double row slips structure, is hydraulically set by applying pressure through the run-in string. After brass ball is dropped to ball at in landing collar, high pressure fluid acts on piston inside cylinder and move slips upward to set position.

What is the size of Cement Head you can manufacture?

From 4″ to 20″.

What is the structure of the liner hanger system?

Mechanical and hydraulic liner hangers systems are mainly composed of: liner hanger assembly, feeding tool assembly, sealing assembly, ball seat assembly, rubber plug, floating collar, floating shoes, core pipe coupling and others.

What is the difference between liner and casing?
A casing string that does not extend to the top of the wellbore, but instead is anchored or suspended from inside the bottom of the previous casing string.
There is no difference between the casing joints themselves. To save casing, however, additional tools and risk are involved.

What is the liner hanger using principle?
When run the liner to the designed depth,set the liner hanger,release the setting tools and finish cementing.
After bumping the plug,pull the drill pipe,the claws on the setting tools expand out and act on the upper surface of the polished bore receptacle sleeve,lower down the drill pipe,shear the pins and the rubber sleeves expand to seal the annulus between upper casing and the poilished bore receptacle.

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