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Hydrocyclone and Jet Sub

 

Atlas Copco Rock Drilling Tools - Secoroc Down the Hole Equipment
Dry Hole. Better Performance.

 

Fluids need to be injected to clean a drilled hole, and until Hydrocyclone technology drilling speeds were compromised as fluids were injected. Atlas Copco's exclusive, patented system expels injected fluids just above the down-hole drill. The result? As much fluid as necessary can be injected without concern for loss of performance. The hole stays clean, and the hammer runs as if it were operating dry.

 

Over the hammer Jet Subs allow large volumes of air to be bypassed above the hammer. This feature reduces operating pressure and allows more hole cleaning for deep, wet, or soft rock applications

 

Drill Rig

 

Hydrocyclone and Jet Sub Specifications

 

Hydrocyclone Kits

 

Size
Description
Thread
Outside Diameter
3-1/2"
Assembly with 1/8" orifice
(6 GPM at 350 psig)
3-1/2" API reg pin X box, pin up
5.60" / 142 mm
4-1/2"
Assembly with blank plate
(14 GPM at 350 psig)
4-1/2" API reg pin X box, pin up
7.13" / 181 mm

 

Hydrocyclone Kits (continued)

 

Size
Length
(shoulder to shoulder)
Wrench
Flat Size
Max Orifice Size
(six holes)
Weight
3-1/2"
14.6" / 371 mm
4 AF x 2-1/4"
2 x 1/8"
68 lb / 31 kg
4-1/2"
22.5" / 572 mm
5.9 AF x 2-1/4"
2 x 3/16"
156 lb / 71 kg
Hydrocyclone, cutaway

Hydrocyclone Features and Benefits

  • Increases performance with liquid injection

  • Expels liquids above DHD

  • Excellent choice for Oil & Gas and Waterwell applications

 

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Jet Sub Adapters

 

Size
Description
Thread
Outside Diameter
2-3/8"
2-3/8" API assembly X box, pin up
2-3/8" API reg pin
3.69" / 94 mm
3-1/2"
3-1/2" API assembly X box, pin up
3-1/2" API reg pin
5.44" / 138 mm

 

Jet Sub Adapters (continued)

 

Size
Length
(shoulder to shoulder)
Wrench
Flat Size
Max Orifice Size
(six holes)
Weight
2-3/8"
6.1" / 155 mm
2-1/2" AF x 1-3/4"
0.13" / 3.3 mm
15 lb / 7 kg
3-1/2"
6.38" / 162 mm
4" AF x 1-3/4"
0.19" / 4.8 mm
35 lb / 16 kg

 

Jet Sub

Jet Sub Features and Benefits

  • Increases down-the-hole air capacity without need for booster

  • Improves cuttings removal in deep holes

  • Increased down-the-hole performance

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