Drilling equipment

Drilling swivels

A swivel is a connecting link between hoisting system and drilling tool. It provides support for rotating tools in the course of drilling as well as supplies flushing fluid into rotating drilling string.

 

 

 

 

 

 


Comparison of VB-100 (ВБ-100) and VB-160 (ВБ-160) swivels:

 

 

VB-100

(ВБ-100)

VB-160

 (ВБ-160)

Load capacity, ton

100

160

Dynamic capacity at 100 rpm, ton

50

75

Maximum pressure of flushing fluid, МPа

32

32

Nominal bore, mm

76

76

Sub-to-kelly threaded connection

3-152 L(3-152 Л)

GOST R 50864-96

Connection to drilling hose

Via adapter flange type II

under GOST 25468-82

Lateral pipe-to-adapter flange threaded connection

V-102 (В-102) GOST 631-75

Gap between swivel top and bail, mm

500

500

Dimensions:

 

 

— width (by swivel bail pins), max, mm

700

755

— thickness (by lateral pipe), max, mm

650

650

— height, max, mm

2900

2500

Mass (dry), max, kg

850

1000

Manufactured and delivered per

TU 3661-153-07538145-2007