Offshore Structures

1 Marine Science and Marine Technology.- 1.1 Classification and Objectives of Marine Technology.- 1.2 Offshore Oil- and Gas-Production Regions.- 1.3 Design of Offshore Structures.- 2 Features of Offshore Structures.- 2.1 Drilling and Production Technology.- 2.2 Characteristics of Offshore Structures.- 2.3 Fixed Platforms.- 2.3.1 Jack-up Platforms.- 2.3.2 Rigid Steel Platforms with Piled Foundations.- 2.3.3 Gravity-Fixed Platforms.- 2.4 Floating Structures.- 2.4.1 Drillships.- 2.4.2 Semisubmersibles.- 2.4.3 Loading Buoys and Floating Storage Tanks.- 2.5 Compliant Structures.- 2.5.1 Tension-Leg Platforms (TLP).- 2.5.2 Guyed Towers and Compliant Piled Towers.- 2.5.3 Tension-Leg Buoys and Articulated Loading Towers.- 2.6 Linked Multi-Body Systems.- 2.6.1 Single-point Moorings.- 2.6.2 Floating Production Systems (FPS).- 2.7 Comparison of Different Designs of Offshore Production Platforms.- 3 Hydromechanical Analysis of Offshore Structures.- 3.1 Selected Basics of Hydromechanics.- 3.1.1 The Continuity Equation.- 3.1.2 The Laplace Equation.- 3.1.3 The Euler Equation.- 3.1.4 The Bernoulli Equation.- 3.1.5 The Navier-Stokes Equation.- 3.1.6 Non-Dimensional Characteristic Numbers.- 3.1.7 Two-Dimensional Potential Flow of Incompressible Fluids.- 3.1.8 Three-Dimensional Potential Flow of Incompressible Fluids.- 3.2 Wave Theories.- 3.2.1 Linear Wave Theory.- 3.2.2 Stokes Finite Amplitude Wave Theory.- 3.3 Hydrostatic Analysis.- 3.3.1 Hydrostatic Pressure and Buoyancy.- 3.3.2 Stability of Floating Offshore Structures.- 3.3.3 Stability of Compliant Offshore Structures.- 3.4 Hydrodynamic Analysis.- 3.4.1 Wave Forces on Hydrodynamically Transparent Structures.- 3.4.1.1 The Froude-Krylov Force.- 3.4.1.2 The Hydrodynamic 'Added' Mass Force.- 3.4.1.3 Inertia Forces in a Wave Field.- 3.4.1.4 The Morison Equation.- 3.4.1.5 Inertia and Drag Coefficients.- 3.4.2 Motion of Hydrodynamically Transparent Structures in a Seaway.- 3.4.2.1 Vertical Motion of a Buoy.- 3.4.2.2 Motion of Semisubmersibles.- 3.4.2.3 Motion of Articulated Towers.- 3.4.3 Forces and Motions of Hydrodynamically Compact Structures in a Seaway.- 3.4.3.1 Froude-Krylov Force.- 3.4.3.2 Hydrodynamic Masses and Forces for Harmonic Motion near the Free Fluid Surface.- 3.4.3.3 Inertia Forces in a Wave Field.- 3.4.3.4 Motions of Hydrodynamically Compact Structures.- 3.4.4 Wave Drift Forces.- 3.5 Nomenclature.- Preview of Volume II.