Reverse circulation rods
Reverse circulation rods
Roschen offers rods specially designed for all your projects in Reverse Circulation drilling.
Remet rods
Metzke rods
PIP rods
CIP rods
Here are some information
Air flow
| Rods type | ID | Annular surface 1 | Annular surface 2 | Annular surface 3 |
| 3 3/4" PIP | 46 mm | 1183 mm2 | 998 mm2 | 3073 mm2 |
| 4" Metzke | 46 mm | 1436 mm2 | 1420 mm2 | 3326 mm2 |
| 4 1/2" Metzke | 51,3 mm | 1570 mm2 | 847 mm2 | 4731 mm2 |
| 4" Remet | 46 mm | 1333 mm2 | 860 mm2 | 3326 mm2 |
| 4 1/2" Remet | 51,3 mm | 1082 mm2 | 1160 mm2 | 4597 mm2 |
| 4 5/8" CIP | 60,3 mm | 1482 mm2 | 1290 mm2 | 3820 mm2 |
| Notes: | ||||
| Annular surface 1 : Annular surface box thread side (mm2) | ||||
| Annular surface 2 : Annular surface pin thread side | ||||
| Annular surface 3 : Annular surface inner tube/outer tube | ||||
| Mechanical resistances | |||
| Rods type | OD | Wall thickness | Torque at yield point (daN.m) |
| 3 3/4" PIP | 95,7 mm | 6,3 mm | 541 daN.m |
| 4" Metzke | 101,6 mm | 8 mm | 921 daN.m |
| 4 1/2" Metzke | 114,3 mm | 8 mm | 1413 daN.m |
| 4" Remet | 101,6 mm | 8 mm | 874 daN.m |
| 4 1/2" Remet | 114,3 mm | 8 mm | 1331 daN.m |
| 4 5/8" CIP | 119,2 mm | 8 mm | 1035 daN.m |
| Notes: | |||
| Other mechanical properties are available by downloading the documentation. | |||
Pression drop :
For information this table is based on rods 4’’ and 4’’1/2 outer diameter.
| Hole depth | 250 m | 300 m | ||
| Rod length | 3 m | 6 m | 3 m | 6 m |
| Rods quantity | 83 | 42 | 100 | 50 |
| Loss per rod | 1 psi | 1 psi | 1 psi | 1 psi |
| Rod total loss | 83 psi | 42 psi | 100 psi | 50 psi |
| Saver sub | 2 psi | 2 psi | 2 psi | 2 psi |
| Hammer sub | 2 psi | 2 psi | 2 psi | 2 psi |
| Swivel | 3 psi | 3 psi | 3 psi | 3 psi |
| Hose connexion | 5 psi | 5 psi | 5 psi | 5 psi |
| SUb total loss | 12 psi | 12 psi | 12 psi | 12 psi |
| Total loss | 95 psi | 54 psi | 112 psi | 62 psi |
For more information, more models and information on packaging and parts, pls contact us:
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat: +86-137-6419 5009
WhatsApp: +86-137-6419 5009
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ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
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