Specification:
Model
Unit
ZJ90/6750 DB
Nominal drilling depth(4-1/4” DP)
m
9000
ft
30000
Max. hook load
kn
6750
lbs
1500000
Traveling system
7x8
Wire line dia.
mm
45
In
1-3/4
Rated power of drawworks
kw
2200
hp
3000
Drawworks speed
I or II, smooth change
Braking type
Hyd. Disc brake + regeneration brake
Crown block
type
TC675
Traveling block
YC675
OD of block sheaves
1524
Swlive
SL675
Rotary table opening
950
in
37.5
Mast type and height (K type)
48
157
Substructure type and height (Swing lift)
12
40
Clear height under rotary beam
10
33
Mud pump number and power
2 x 1176
2 x 1600
Max. pump pressure
mpa
35~52
psi
5000~7500
Power drive mode
AC-DC-AC