Machines, machine tools and power operated downhole equipment for use in drilling, construction, maintenance and repair of holes in the crust and wells for water, oil and gas, namely-- Release tool in the nature of a safety release mechanism for disconnecting a bottom hole assembly in a well; Orienter tool in the nature of a device for rotating or orienting a bent sub down hole; Impact hammer; Circulating sub/tool in the nature of a device for opening or bypassing flow above a drilling motor; Drilling assembly, consisting primarily of coil tubing connector, orienter tool, release tool, circulating sub, drill bit steering tool, bent sub, drilling mud motor and drill bit, motor-head, logging tool, anchors, extended reach tool, spear overshot, impact tool, accelerator, quick connector, under-reamer, pulling tool, shock absorber, indexing tool, safety valve, cable-head, end locator, centralizer, connectors and motor; Directional drilling tools, namely an orienter tool, release tool, circulating sub, a bent sub and a drilling motor; Fishing tools, namely, a device for retrieving tools or apparatus from the drilling hole; All of the forgoing for use in drilling, construction, maintenance and repair of holes in the crust and wells for water, oil and gas