|
Outside diameter of a body at full length, mm |
114 |
|
Outside diameter along the centralizers lines, mm |
124; 125 |
|
Max. diameter of the extensible blades, mm |
170 |
|
The length, mm |
1545 |
|
Recommended axled pressure, t |
1…4 |
|
Recommended flushing fluid rate, l/sec
by incut, I/sec
by milling, I/sec |
7…8
12
|
|
Recommended pressure drop, atm:
by incut, atm
by milling, atm |
40…45
25…30
|
|
Recommended rotary speed, RPM |
38…42 |
| Coupling thread GOST (box) |
GOST-28487-90
3-86 |
API 7
NC-31 |
|
Requirements to spinner and pump unit |
drilling rig of BU-75 class not less |
