Integrated window sidetrack drilling tool
A window sidetracking and integrated technology, which is applied to drilling equipment, earthwork drilling, drilling equipment and methods, etc., can solve the accidental fall of the deflector, the deviation of the coaxiality between the milling cone and the deflector, and reduce the drilling window efficiency and other issues to achieve the effect of reducing construction cost and labor intensity, ensuring the concentricity of the connection, and simplifying the structure of the milling cone
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[0020] As shown in the figure, the integrated windowing 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 and 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 and welded into the nozzle hole 301. 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 corresponds to...
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