01 / 02A wear-reduction sub fitted with a reinforced-PTFE sleeve. The self-lubricating sleeve lowers contact friction and protects casing in high-angle and extended-reach sections.
| Wear-sub model | Working sleeve OD | Applicable casing OD | Length | Connection model |
|---|---|---|---|---|
| (F = non-metallic, | （mm） | (mm) | (mm） | Connection model |
| Connection model | ||||
| J = metallic) | Connection model | |||
| F(J)K146 | 142-146 | 177.8 | 770-790 | NC38 |
| F(J)K150 | 155-156 | 193.7 | 770-790 | NC46 |
| F(J)K206 | 175-210 | 244.5 | 940-960 | NC50 |
| F(J)K260 | 260-300 | 339.7 | 1040-1060 | 5 1⁄2"FH |
The replaceable working sleeve is manufactured from reinforced PTFE; metal-sleeve variants are also identified by the model code.
Used to reduce casing and drill-string wear during directional and extended-reach drilling.
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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.
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.
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