A K344 expansion packer used with sand-jet tools for single-zone or multizone acidizing and fracturing. Tubing pressure expands the sealing element; annular pressure opens the reverse-wash piston, and pressure bleed-off releases the tool.
| Model | K344-112 | K344-114 | K344-148 |
|---|---|---|---|
| Maximum outer diameter (mm) | Φ112 | Φ114 | Φ148 |
| Inner diameter (mm) | Φ50 | Φ50 | Φ60 |
| Total length (mm) | 1350 | 1360 | 1470 |
| Operating pressure (MPa) | 80 | 80 | 80 |
| Working temp. (°C) | 150 | 150 | 150 |
| Setting pressure (MPa) | 2-3 | 2-3 | 2-3 |
| Backflushing discharging capacity (m3/h) | 30 | 30 | 30 |
| Releasing force (kN) | Automatic releasing | Automatic releasing | Automatic releasing |
| Connecting Threads at both ends | 2 7⁄8 UPTBG | 2 7⁄8 UPTBG | 2 7⁄8 UPTBG |
Used in treatment strings for selective single-zone or multizone acidizing and fracturing.
YUXIN combines product engineering, machining, assembly, inspection and export coordination in Dongying, Shandong.
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