Completion tools namely power operated drilling tools for creating multiple branch wells from a parent well, namely, casing adapters, landing and orienting tools, whipstocks, deflection tools, and installation and retrieval tools; 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, p...