DRAWWORKS

DRAWWORKS

Maximum input power

500 HP

Number of drums

1

MAIN DRUM

Maximum main wire line pull

20 tf

Diameter of the main wire line

26 mm ( 1 in )

Dimensions of the wire line drum over the groove

∅ 441,6 mm x 823,5 mm

Main drum clutch type

AVB 800 x 250

Main drum clutch - maximum moment

7450 Kg f.m, at P = 10 bar

Brake sheaves dimensions

1120 x 265 mm

Cooling of the brake sheaves

with water

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Maximum input power

500 HP

Number of drums

2

MAIN DRUM

Maximum main wire line pull

20 tf

Diameter of the main wire line

26 mm ( 1 in )

Dimensions of the wire line drum over the groove

∅ 441,6 mm

Main drum clutch type

AVB 800 x 250

Main drum clutch - maximum moment

7450 Kg f.m, at P = 10 bar

Brake sheaves dimensions

1120 x 265 mm

Cooling of the brake sheaves

with water

SAND DRUM

Sand line size ∅ 14

4500 m

Dimensions of drum

∅ 320 x 952 mm

Sand drum clutch: type

CB 600 x 125

Sand drum clutch: maximum torque

2200 kgf.m, at p = 10 bar

Brake sheaves dimensions

∅ 1120 x 216 mm

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Maximum input power

700 HP

Number of drums

1

MAIN DRUM

Maximum main wire line pull

25 tf

Diameter of the main wire line

28,6 mm ( 1 1/8 in )

Dimensions of the wire line drum over the groove

∅ 558 mm x 1053 mm

Main drum clutch type

AVB 900 x 300

Brake sheaves dimensions

1120 x 265 mm

Cooling of the brake sheaves

with coolant

The specification on which it was designed

API 7 K

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Maximum main wire line pull

7,5 tf

Diameter of the main wire line

19 mm ( 3/4 in ) or 22 mm ( 7/8 in )

Dimensions of drum

Ø 372 x 793 mm

Dimensions of the wire line drum over the groove

Ø 393 X 781 mm

Brake sheaves dimensions

Ø 1100 x 210 mm

Main drum clutch type

AB 700 x 125

Cooling of the brake sheaves

cu apă

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Maximum input power

440 HP

Number of drums

1

MAIN DRUM

Maximum main wire line pull

13 tf

Diameter of the main wire line

26 mm ( 1 in )

Dimensions of the wire line drum over the groove

∅ 441,6 mm x 823 mm

Sand line size ∅ 14

14 mm ( 9/16 in )

Dimensions of the drum for the sand line

∅ 524 x 814 mm

Sand line length ∅ 14

2300 m

Brake sheaves dimensions

Ø 1000 x 280 mm

Main drum clutch type

AB 700 x 125

The specification on which it was designed

API 7 K

Cooling of the brake sheaves

with water

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Drawworks bearings set

Brake drum

Brake rims

Brake shoes/plates

Ferodo

Bellows clutch

Rotating head

Rotating coupling

Sealing gaskets set

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The drawworks is the most important equipment node in the maneuvering system of the rig and is used for the handling of drill string or tubing column.

The basic functions of the drawworks are:

  • Hoisting and lowering of the drill string, respectively of the tubing column by means of the maneuvering system;
  • Supporting the drill string, or tubing column respectively, during drilling or workover operations;
  • Production initiation works / putting into operation;
  • Mast and substructure folding works;

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