Power operated drilling and construction tools for creating multiple branch wells from a parent well, consisting of the following-- Casing adapters; landing and orienting tools for permanent or temporary insertion into a lateral opening to serve as a reference and guide for inserting other tools or equipment; Drilling subs having deformable outlets for connecting a parent well to branch wells; Whipstock and deflection tools, namely, wedge-shaped tools that have angled hoods used in casings; Packers, namely, a retrievable plug-like device used to create a pressure seal to restrict a particular region of casings; Installation and retrieval tools that are lowered into casings to install or to retrieve packers, a retrievable plug-like device, or landing tools, which serve as a reference and guide for inserting other tools or equipment, drilling tools for deforming the outlets of the drilling subs