The Well: Drilling, Completions, and Subsurface Engineering for Deep Earth Energy

A promising subsurface resource is still only a geological opportunity until a well can reach it, survive it, isolate it, measure it, control it, and remain useful through time. The Well brings the Deep Earth Energy Systems series from subsurface architecture into physical engineering. Preston Tucker, DBA examines how deep-energy wells are designed, drilled, steered, cased, cemented, completed, stimulated, monitored, tested, repaired, and ultimately abandoned. The book treats the well as far more than a hole in the ground. It is simultaneously a pressure vessel, flow path, thermal conduit, measurement platform, barrier system, intervention route, and long-lived interface between surface equipment and the subsurface. Chapters cover basis of design, directional geometry, drilling mechanics, lost-circulation control, high-temperature tools and electronics, tubular loads, cement and zonal isolation, completion architecture, stimulation execution, closed paths, production and injection hydraulics, surveillance, well testing, integrity through time, workover, repair, and closure. Throughout, engineering success is kept separate from reservoir proof. Reaching depth is not reaching a resource, a successful stimulation is not automatic connectivity, and a functioning well is not by itself proof of long-term reservoir performance.