Whipstock is called deflector tool.It is specialized tool for guiding milling tool from one side milling casing to form elliptical window. Now, type SMD Cementing Ⅱ Features:
1.It owns anchoring retaining mechanism. Cementing is not needed. Only one time sending can finish anchoring.
2.Chucking power is gigantic. Sitting power is stable. Location property is perfect.
3.Randomness is powerful. It is not limited by the deep of the well. |