Global Drillship Market By Type (Drilling Depth-10,000 ft. Drilling Depth, 20,000 ft. Drilling Depth, 30,000 ft. Drilling Depth, 40,000 ft. Drilling Depth), By Application (Shallow Water, Deep Water, Ultra-Deepwater), By End-use (Oil and Gas Exploration, Oil and Gas Production, Deep-sea Mining), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034