Used for preventing crossflows between formations, isolating gas, oil, and water-bearing formations, ensuring the sealing of the annular space, and separating fluids in the casing space.
SDT-A592/A542 | |||||||||
Nominal diameter of the casing string equipped | 114 | 140 | 178 | 194 | 245 | 245 | 273 | 324 | 340 |
Nominal diameter of the open wellbore (drill bit diameter) into which the packer is lowered and installed, mm | 152,4- 155,6 |
215,9- 226,6 |
215,9- 226,6 |
241,3- 266,7 |
299-322 | 295,28- 311,74 |
317,5- 341 |
374,65- 393,7 |
401,45- 423,5 |
Outer diameter of the packer, mm | 146 | 200 | 209 | 228 | 296 | 286 | 310 | 385 | 390 |
Through diameter up to, mm | 99,5 | 118,6 | 159,42 | 168,28 | 226,6 | 226,6 | 245,37 | 304,85 | 320,43 |
Length Packer, mm | 2000+50 | 2386±50 | 2386±50 | 2386±50 | 2476±50 | 2476±50 | 2476±50 | 2500±50 | 2500±50 |
Nominal packer factor | 1,15 | 1,16 | 1,16 | 1,16 | 1,16 | 1,16 | 1,16 | 1,16 | 1,16 |
Weight, kg | 80 | 230 | 225 | 255 | 285 | 274 | 350 | 485 | 525 |
Maximum differential pressure below the packer, MPa | 70 | 70 | 70 | 55 | 35 | 35 | 35 | 35 | 35 |
Density of cement slurries during casing cementing, in g/cms | To 2,4 | ||||||||
Operating temperature, ºC | Up 0 to +125 | ||||||||
Compensation system protection | yes | ||||||||
Compensation system | yes |