01 / 02A completion assembly that provides long-term mechanical isolation between gravel-packed intervals without requiring an inner service string. It can be configured for vertical, deviated and horizontal wells.
| Model | BFC-178-Ⅰ | BFC-178-Ⅱ | BFC-178-Ⅲ | BFC-140 |
|---|---|---|---|---|
| Overall length (m) | 4620 | 5660 | 4760 | 4520 |
| Maximum OD (mm) | 215 | 215 | 215 | 180 |
| Working pressure (MPa) | 20 | 20 | 20 | 20 |
| Working temperature (°C) | 360 | 360 | 360 | 120 |
| Connection thread | 7LCSG/7BCSG | 7LCSG/7BCSG | 7LCSG/7BCSG | 5 1⁄2LCSG |
| Base-pipe material | N80/TP110H | N80/TP110H | N80/TP110H | N80 |
Used in gravel-packed completions where communication between adjacent intervals must be controlled.
YUXIN combines product engineering, machining, assembly, inspection and export coordination in Dongying, Shandong.
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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.
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