An expansion-element packer series for acidizing, fracturing and water-injection strings. Tubing pressure enters the element chamber through mandrel slots; bleeding the tubing pressure allows the element to retract.
| Model | K344-146 | K344-114 | K344-110 | K344-100 | K344-90 |
|---|---|---|---|---|---|
| Overall length (mm) | 880 | 860 | 860 | 860 | 860 |
| OD (mm) | 145 | 114 | 110 | 100 | 90 |
| ID (mm) | 62 | 58 | 58 | 52 | 40 |
| Expansion startup pressure (MPa) | 0.8–1.5 | 0.8–1.5 | 0.8–1.5 | 0.8–1.5 | 0.8–1.5 |
| Working pressure (MPa) | 50 | 50 | 50 | 50 | 50 |
| Working temperature (°C) | 120 | 120 | 120 | 120 | 120 |
| UP/TBG connection | 2 7⁄8 | 2 7⁄8 | 2 7⁄8 | 2 7⁄8 | 2 7⁄8 |
The element skeleton is manufactured from stainless spring-steel strips and uses a special rubber formulation.
The supplied record states a 120°C, 50 MPa, 72-hour cyclic pressure test with five upper/lower pressure cycles.
Used in acidizing, fracturing and water-injection strings.
YUXIN combines product engineering, machining, assembly, inspection and export coordination in Dongying, Shandong.
Send the existing model or drawing, connection dimensions, operating pressure and temperature, well conditions, quantity and destination.
Yes. YUXIN can review drawings and samples for material, tolerance, machining, inspection and batch-production feasibility.
Material and treatment options are selected around pressure, load, corrosion, wear, temperature and sour-service requirements.
Inspection planning can include dimensional checks, material documentation, assembly review and product-specific pressure or functional testing.
Yes. Batch supply, export packing and order documentation can be organized for distributors, service companies and project procurement.
Website data is for preliminary selection. Final compatibility is confirmed against the approved drawing, specification and purchase requirements.
A rotatable drill-pipe protector using a one-piece sintered reinforced-PTFE wear sleeve. The sleeve turns between the retaining rings,…
View product
The packer is used to isolate long horizontal sections in thermal-recovery wells and prevent communication between oil, gas…
View product
A snap-on nylon centralizer supplied for Ø58 × 19 mm and Ø58 × 22 mm configurations, with PA6,…
View product
A temperature-triggered packer. At the designed activation temperature, the internal material generates pressure, shears the retaining pin and…
View productSend your drawing, model, quantity and operating requirements for a focused response.
Share the product, model, quantity and operating conditions. Our engineering and sales team will review the requirement together.
