Technical introduction:
In order to meet the technical requirements of casing side drilling, our company has successfully developed a new type of compound window milling cone. The tool is not only suitable for vertical or small slant Wells, but also suitable for horizontal or large slant Wells. It not only has the advantages of single casing windowing, but also has high reliability and stability under the condition of double casing windowing. Aiming at the technical problems of high hardness and slow milling speed after windowing, the company has developed a new tool "arch cone" after many tests, and the milling speed is much better than that of compound windowing cone.

Technical features:
1. the use of hydraulic inclined guide, simple and reliable operation;
2. Two sets of slips designed to prevent axial and circumferential movement of the slicker;
3. oblique plate hardening treatment, good wear resistance;
4. Milling cone adopts unique cutting structure design, with high milling speed and long footage;
5. Complete window-opening and window-repairing operations in one time, with regular window, smooth and high efficiency.

Applicable conditions:
1. High steel grade and large wall thickness casing opening window;
2. double-layer casing opening window;
3. Large slope or horizontal well opening.