Emergency Disconnector, Type RA

The Emergency Disconnector Type RA is designed to remove flexible coiled tubing (CT) from the downhole equipment or the item extracted if the pulling force created by the CT unit is insufficient for undertaking salvage operations.

The disconnector is utilized in conjunction with the downhole equipment, bottomhole engine and fishing tool, and provides for twisting moment applicability from the shaft of the hydraulic motor.

Basic Parameters and Dimensions:

Parametr

Value

RA-45

RA-54

RA-66

Rated tubing (T) size, mm

60; 73;

73; 89

89; 102; 114

Working pressure, MPa, max

15

12

7

Pin shear pressure after positioning the ball in the seat, MPa, max

18

15

8

Length, L, mm

520

650

640

Diameter, D, mm

45

54

66

Minimum bore diameter, d, mm

14

18

18

Weight, kg, max

4

7

12

Working fluid

Drilling fluid, oil, water

Fluid temperature, °C, max

100

Connecting thread dimensions as per GOST 24705-81, 8724-81, 9150-81

М 30 х 2

М 42 х 2

М 42 х 2

Posted in Wireline and coiled tubing downhole tools.