The drawworks is the core hoisting equipment of a drilling rig. It is mainly used for lifting and lowering drill pipe, casing, and other downhole tools during drilling operations.
Our drawworks are designed with high-strength structures and advanced braking systems to ensure safe, stable, and efficient hoisting operations in various drilling environments.
|
Parameter |
Unit |
JC40 |
JC40D |
JC40DB |
JC50 |
JC50D |
JC50DB |
JC70 |
JC70DB |
|
Rated Input Power |
hp (kW) |
1000 (735) |
1000 (735) |
1000 (735) |
1500 (1100) |
1500 (1100) |
1500 (1100) |
2000 (1470) |
2000 (1470) |
|
Max. Fast Line Pull |
lbf (kN) |
61820 (275) |
61820 (275) |
61820 (275) |
76435 (340) |
76435 (340) |
76435 (340) |
109030 (485) |
109030 (485) |
|
Drill Line Diameter |
in (mm) |
1-1/4 (32) |
1-1/4 (32) |
1-1/4 (32) |
1-3/8 (35) |
1-3/8 (35) |
1-3/8 (35) |
1-1/2 (38) |
1-1/2 (38) |
|
Drum Size (Dia. × Width) |
in (mm) |
25.20×44.84 (640×1139) |
25.20×44.84 (640×1139) |
25.20×44.84 (640×1139) |
25.20×51.25 (640×1302) |
25.20×51.25 (640×1302) |
25.20×51.25 (640×1302) |
26.97×44.80 (685×1138) |
30.31×53.58 (770×1361) |
|
Gears for Hoisting Speed |
|
4+2R |
Step-less |
Step-less |
6+2R |
Step-less |
Step-less |
6+2R |
Step-less |
|
Brake Disc (Diameter × Thickness) |
in (mm) |
59.06×2.99 (1500×76) |
59.06×2.99 (1500×76) |
59.06×2.99 (1500×76) |
63×2.99 (1600×76) |
63×2.99 (1600×76) |
63×2.99 (1600×76) |
63×2.99 (1600×76) |
63×2.99 (1600×76) |
|
Main Brake |
|
Hydraulic Disc Brake |
Hydraulic Disc Brake + Energy-consumption Brake |
Hydraulic Disc Brake |
Hydraulic Disc Brake + Energy-consumption Brake |
Hydraulic Disc Brake |
Hydraulic Disc Brake + Energy-consumption Brake |
Hydraulic Disc Brake |
Hydraulic Disc Brake + Energy-consumption Brake |
|
Auxiliary Brake |
|
DWS40L |
WCBD236 |
|
FDWS50LD |
WCBD336 |
|
DS-70 |
|
