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ROTORS Print

 Rotor is one of the most important units of the rigs for oil and gas wells drilling. Purpose is to rotate the drill tools and hanging of the drill string during wells drilling. Rotors are made of three standard sizes, including rotor R-1260, designed for shelf drilling.    

     

Design features

Reliable labyrinth seal of the oil bath protects it from ingestion of the drilling mud, in this regard the life time of the gear pair and the main support of the rotary table is extended.

Bevel gearwheels are skew with helical angle 30°, due to this the exactitude and the smoothness are increased, noiseless operation is ensured.

Cast frame is designed for mounting and fixing of an air-actuated power slips. It enables to mechanize gripping and to free drill and casing pipes strings during the round-trip operations.

   

SPECIFICATIONS 

Parameters/model

R-700

R-950

R-1260

Rotary table opening, in

27.5

37.4

49.6

Rotary table safe static load, mt

500

630

800

Rotary table static torque, ft.-lb.

579

868

1302

Rotary table speed, rpm (not more than)

350

350

350

Driving shaft - rotary table gear ratio

3.61

3.81

3.96

Weight (without bushing), lbs

10560

15432

20856

Dimensions, in

A

89.37

95.47

114.57

B

26.77

29.53

31.50

C

29.13

34.45

42.13

C'

26.18

30.12

39.37

D

76.57

81.30

99.80

E

60.83

72.83

87.80

F

12.01

12.99

14.17

G

47.24

61.02

75.98

H

30.51

36.42

43.90

I

79.13

85.24

103.54

J

50.00

-

-

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