PVPD-N series explosive cartridges
Insensitive safety explosive cartridges of the PVPD-N series are designed to initiate the detonating cord in a carrier perforating apparatus during perforating and explosive operations in oil and gas wells, when deployed on wireline.
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PVPD-N Series Blasting Cartridges
The PVPD-N and PVPD-N-165 insensitive safety-action blasting cartridges are designed to initiate detonating cord in carrier-type perforating and blasting equipment when performing perforating and blasting operations in oil and gas wells. They are insensitive to household and portable direct-current and industrial-frequency current sources, and to static electricity charges.
| Parameter | Value | ||
|---|---|---|---|
| PVPD-N | PVPD-N-165 | ||
| Length, mm | 82 | ||
| Outer diameter, mm | 17 | ||
| Total electrical resistance, Ohm | 0.75±0.25 | ||
| Safe current, A, for 5 minutes | 0.22 | ||
| Firing current parameters of a single cartridge | 1.5A / 10 ms / 15±2 kHz | ||
| Protection against sources of: | |||
| - direct current | 500±50 V | ||
| - alternating current at a frequency of (50±5) Hz | 380±20 V | ||
| - static electricity between the sleeve and the primary winding through a 500 Ohm resistor | 25 kV / 200 pF | ||
| Maximum application temperature and holding time, °C/h | 145/3 | 190/1 | |
| Water-block function | Yes | ||
| Maximum diameter of the detonating cord that can be attached, mm | 6.3 | ||
| UN classification code/number | 1.1B/0030 1.4S/0456 |
1.4S/0456 | |
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