Provides hydraulic connection between the liner and productive formation during multi-stage fracturing
114 | 140 | |
Type of coupling | Disposable | |
The method of initial opening | By increasing the pressure in the liner | |
Nominal diameter of the open borehole into which the hydraulic fracturing coupling is lowered and installed, mm | 152,4-155,6 | |
Outer diameter, not more than, mm | 142 | |
Maximum injection rate during hydraulic fracturing, m3/min | 4,5 | |
The mass of the proppant pumped through the process windows of the hydraulic fracturing coupling, not less than, t | 250 | |
Number of process windows, pcs | 9 | 8 |
The total area of the passage section of technological windows, mm | 8600 | 11600 |
Opening of process holes during testing at maximum pressure with reservoir temperature, % | 100 | |
Sustained pressure drop, MPa | 68,9 | |
A function that excludes the opening of the hydraulic fracturing clutch during descent and closing during operation | y e s | |
The presence of an indication of the opening of the hydraulic fracturing clutch | y e s | |
Maximum operating temperature,֯◌C | 120 |