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 |
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|
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 |
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| Fluid temperature, °C, max |
100 |
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| Connecting thread dimensions as per GOST 24705-81, 8724-81, 9150-81 |
М 30 х 2 |
М 42 х 2 |
М 42 х 2 |