Integrated window sidetrack drilling tool
A window-opening sidetracking, integrated technology, applied in drilling equipment, earth-moving drilling, drilling equipment and methods, etc., can solve problems such as wellbore scrapping, difficulty in milling and reduction of operation efficiency, and reduce construction costs. and labor intensity, avoid false setting accidents, and improve the effect of work reliability
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[0028] Such as Figure 1-Figure 3 As shown, the integrated window sidetracking tool includes a hollow milling cone 1, a deflector slant iron 5 connected to the lower part of the milling cone 1, and a setting anchor device fixedly connected to the lower end of the deflection deflector slant 5. In the inclined iron 5 of the deflection guide, there is a catheter 4 connected to the inner hole of the milling cone 1 and the inner cavity of the setting anchoring device. There is a nozzle hole 301 communicating with the milling cone inner hole 101, and the upper end of the liquid guide pipe 4 is drawn out from the top of the slope of the inclined iron 5 of the deflector and inserted into the nozzle hole 301 for welding.
[0029] The lower part of the milling cone 1 is pressed on the upper inclined surface of the inclined iron 5 of the inclined guide, and an annular groove 2 is processed in the lower part of the milling cone 1 along the circumferential direction, and the annular groove 2...
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