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Hydraulic Oscillator

Short Description:

Hydraulic oscillators use hydraulic pulse to generate axial vibration load of drill string and overcome borehole friction. It has been successfully applied in vertical Wells, motor guided drilling, rotary guided drilling, large displacement Wells and shale gas reservoir drilling.


Product Detail

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Hydraulic oscillators use hydraulic pulse to generate axial vibration load of drill string and overcome borehole friction. It has been successfully applied in vertical Wells, motor guided drilling, rotary guided drilling, large displacement Wells and shale gas reservoir drilling.

Technical advantages:

1. Improve downhole weight transfer

2. Effectively improve drilling rate

3. Significantly reduce friction resistance

4. Compatible with MWDS/LWD

5. It fits well with all kinds of drill bits

6. Improved orientation

Technical Parameters:

In OD

4 3/4″(121mm)

6 3/4″(172mm)

8″(203mm)

Axial expansion quantity

mm

3-8

3-9

3-9

Max impact

m

4.5

5

7

Tool pressure loss

MPa

3-4

3-4

2-3

Recommended working capacity

L/s

10-20

20-35

40-50

Working frequency

Hz

15(16L/s)

15(28L/s)

15(45L/s)

weight

Kg

450

560

760

Fall length

m

6.5

7.0

7.2

Top and bottom button

NC38

NC50

630/631

 

It mainly consists of three parts: power nipple, disc valve assembly and oscillation system.

ho01

 

The friction between the well wall and the drilling tool is alter from static to dynamic.

ho02

 

H03

 

ho03

 


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