The cambered whipstock is a normal type. The whipface is a circular arc surface, and has been super hardened. The whipface and the casing window milling cone have a high degree of agreement, and the righting effect is good. The opened window is regular, smooth and accurate; During the drilling process, the weight on bit is easy to control, which reduces get stuck and bit bounce, and reduces the occurrence of downhole accidents.

A one trip whipstock assembly which can be run into a well, set, and operated from a window in the well casing in a single trip includes a milling tool attached to the upper end of a whipstock to the lower end of which is attached a packer or anchor which can be set by appropriate means prior to detachment of the mill from the whipstock to initiate window formation.

The recyclable whipstock developed by our company has the characteristics of convenient operation, firm setting, high recovery success rate, and reusability.

The retrievable whipstock developed by our company has the characteristics of convenient operation, firm setting, high recovery success rate, and reusability.