Global Offshore Drilling Rig Market Size, Share, Analysis By Rig Type (Jack-Up Rigs, Drillships, Semisubmersibles, Tender Rigs and Others), By Water Depth Application (Shallow-Water, Deepwater, Ultra-Deepwater Drilling), By End Use (Development Drilling, Exploration Drilling, Plug & Abandonment, Intervention Support), By Contract Structure (Standard Dayrate, Performance-Linked & Integrated Contracts, Managed & Hybrid Models) Industry Region & Key Players – Market Dynamics, Competitive Landscape, Technology Trends & Forecast 2026–2034