On-off Tools

Apply above the packer which not need mechanical setting. Provide a simply, reliable method of take off and take on the tubing from the packer without releasing the packer.

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Product Details

1.Product Introduction

Apply above the packer which not need mechanical setting. Provide a simply, reliable method of take off and take on the tubing from the packer without releasing the packer.

2.Structure

It is mainly made up of upper connector, seal nipple, V seal ring, the on-off body, shear pin, etc.

3.Product Parameter


Casing
(in)

Max OD.
(in)

Min ID.
(in)

Length
(in)

Temp
(℉)

Pressure
(psi)

Release
Term

Release Load
(KN)

Thread
(in)

5

3.94

1.77

30.08

250

5000

Right
rotate

35-45

2-7/8 EU

7

5.51

2.36

31.10

250

5000

Right
rotate

35-45

2-7/8 EU

7

5.71

2.81

32.28

250

5000

Right
rotate

60-80

3-1/2
VOM TOP


4.Working Principle

●Release: Push the string down,shear the pin, the J-track of the on-off body move along the ledge of the seal nipple, when the ledge reach the upper dead point of the J-track, rotate clockwise and pull upward the string, the ledge move along the deviated track, the J-track of the on-off body leave from the ledge of the seal nipple. Pull the string continue, the on-off tool release, the seal nipple left in the well. 

●Junction: Push the string down, the ledge of the seal nipple automatically reach the J-track.

●When it reach the dead point of the J-track. Watch the hook load, when it move down obvious, pull up the string .when the ledge of the seal nipple reach the dead point of the J-track, achieve connecting.

5.Product Feature

●Put, right rotate and pull to take off, put to connect;

●Patent product;

●Simple, stable and reliable;

●Taking off or taking on has no effect below the packer.

6.Production Details


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