Offshore Oil & Gas Market Size, Share & Industry Analysis, By Service Type (Exploration (Seismic & Survey), Drilling, Production & Processing, Decommissioning, and Others), By Platform Type (Fixed Platforms, Floating Production Systems (FPSO, FPU), Tension Leg Platforms (TLP), Spar Platforms, and Others), By Water Depth (Shallow Water, Deepwater, and Ultra-Deepwater), By Hydrocarbon Type (Crude Oil, Natural Gas, and Others), and Regional Forecast, 2026-2034