Reverse Circulation Equipment For Rotary Drilling
Drillwell Ltd manufacture a wide range of Reverse Circulation Equipment, if you require a bespoke design then please email or contact us.
NOTE:
A Hydraulic actuated Blow Up – Blow Down Valve Part
No. DW 140080 is available on request. This unit may be fitted between the Top Swivel Outlet Flange and the Deflector.
It is used to assist in the removal of any blockages in the air / cutting passages.
Reverse Circulation Equipment – Stabilizers & Bits
Drillwell manufacture a wide range of Reverse Circulation Stabilizers & Bits. The following items may vary in diameter, length and thread according to the type of bit selected if different from those shown in the table below, if you require a bespoke design then please email or contact us.
NOTE:
When ordering the above equipment please discuss Air supply availability and formation to be drilled with our In Technical Department.
Stabilizers & Bits – Part Numbers
| Item No. | Description | ||||
|---|---|---|---|---|---|
| 1 | Stabilizer | DW 140110 | DW 140110 | DW 140111 | DW 140111 |
| 2 | Bit Sub | DW 140106 | DW 140107 | DW 140106 | DW 140108 |
| 3 | Bit Skirt | DW 140105 | DW 140105 | DW 140104 | DW 140103 |
| 4 | Stabilizer Centre Tube | DW 140115 | DW 140115 | DW 140115 | DW 140115 |
| 5 | Bit Sub Centre Tube | DW 140116 | DW 140116 | DW 140116 | DW 140116 |
| 6 | Bit Type | 4 3/4″ Drag Bit | 4 3/4″ Rock Bit | 5 5/8″ Drag Bit | 5 5/8″ Rock Bit |
If you require any further information or a bespoke design then please email or contact us.