This patent portfolio covers foundational technologies for offshore drilling, subsea operations, and deepwater hydrocarbon extraction in some of the most demanding operating environments. The inventions protect critical advances in drilling rig systems, riser and tensioning assemblies, blowout prevention and well control, dynamic positioning, subsea handling equipment, and automated drilling operations. Collectively, these technologies improve safety, reliability, and operational efficiency across floating and fixed offshore platforms while enabling deeper, higher-pressure, and more complex drilling programs. With broad international coverage and applicability across ultra-deepwater, harsh-environment, and next-generation offshore drilling systems, the portfolio represents infrastructure-level IP and a compelling licensing or acquisition opportunity for offshore drilling contractors, equipment manufacturers, and energy technology providers operating in global offshore markets.