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Y141-115/148 Packer

Y141-115/148 Packer

  1. Usage

    Y141-115/148 Packer could be used to stratified well testing, oil recovery, water plugging and acidification. This kind of Packer could work with slip type Packer together.

  2. Structure feature

    Increase pressure by tubing to setting piston. Cut setting shear pin when tubing pressure is high enough, setting piston push spring sleeve up and compress rubber element to get annulus. Spring connect with spring seat, which could prevent rubber element return back as releasing tubing pressure.
    Pull up string tools, cut shear pins as soon as the friction between rubber element and casing internal surface is higher than cutting power of unsetting shear pins. Spring and spring sleeve move down together, to unset Packer.

  3. Technical specification

Size

Y141-115

Y141-148

Steel body Max. OD. (mm)

Ф115

Ф148

Steel body Min. ID. (mm)

Ф57

Ф76

Length (mm)

1100

1260

Working circumstances

Mud, crude oil, natural gas, water

Working temperature (℃)

-40℃~+150℃

Working pressure (MPa)

15

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