RDC “ZERS” LLC has developed and produced oil swellable packers in which the sealing
element is made of elastomeric material that is able to swell out at the contact with oil and
can hold the pressure differential of 700 atm in a nominal diameter bore.
Besides, these packers’ body is made of steel with improved strength properties.
| PARAMETER DESCRIPTION | PNV AND PNN PACKER TYPICAL SIZE |
|||||
|---|---|---|---|---|---|---|
| 102/118 | 102/124 | 114/136 | 114/144 | 114/148 | 127/148 | |
| Liner nominal diameter on which the packer is RIH, mm | 102 | 102 | 114 | 114 | 114 | 127 |
| Recommended wellbore diameter which the packer is installed in, mm |
124 … 128 | 132 | 143 … 146 | 152 … 156 | 156 … 160 | 156 … 160 |
| Maximum pressure differential on the packer, MPa | 70 | |||||
| Elastomeric material length, mm | 1200 | |||||
| Packer length, mm | 2600 | |||||
| Packer outer diameter, mm | 118 | 124 | 136 | 144 | 148 | 148 |
| Weight, kg | 58 | 61 | 72 | 75 | 78 | 81 |
| Maximum operating temperature, °C | 100 | |||||
| Estimated packer swelling time till overall wellbore space isolation1 , days |
5…7 | 7…9 | ||||
1 Parameters values are shown for the rated hole diameter on the base of used swelling resins types and well conditions
(temperature, well fluid type on running in and operation, etc.).
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