A tool system for casing window preparation, washover and section milling. In the section mill, hydraulic pressure opens the blades to cut the casing and mill downward; the blades retract under spring force when pumping stops.
| Model | Applicable Casing OD （mm） | Casing OD Casing drift ID （mm） | Sub OD OD （mm） | Section-mill OD OD （mm） | Blade section retracted OD （mm） | Blade-open OD OD （mm） | Lower centralizer OD OD (mm) | Blade section structure | Connection |
|---|---|---|---|---|---|---|---|---|---|
| DXQ-114 | 114 | ≥94 | 86 | 90 | 90 | 140 | 96 | 6 wings / 6 blades | NC26 |
| DXQ-127 | 127 | ≥105 | 95 | 102 | 102 | 156 | 100 | 6 wings / 6 blades | 2 7⁄8 REG |
| DXQ-140 | 139 | ≥120 | 105 | 115 | 114 | 170 | 118 | 6 wings / 6 blades | NC31 |
| DXQ-146 | 146 | ≥118 | 105 | 114 | 112 | 176 | 116 | 6 wings / 6 blades | NC31 |
| DXQ-178 | 178 | ≥154 | 121 | 154 | 154 | 210 | 154 | 6 wings / 6 blades | NC38 |
| Custom design is available to customer requirements. |
Used for casing removal, window preparation, washover and remedial drilling operations.
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.
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