The l egs of jacket structure which resist against lateral loads. Patel, in mechanical engineers reference book twelfth edition, 1994. An oil platform, offshore platform, or offshore drilling rig is a large structure with facilities for well drilling to explore, extract, store, and process petroleum and natural gas that lies in rock formations beneath the seabed. T h e chapter also provides description of dif f erent types of foundations thatare being used and planned to be used. Inplace analysis is the structural analysis used to simulate the behavior of the structure as close as possible to give the response of the structure during its service. Chapter 6 describes inplace analysis methodology, load combinations and. Analysis and design considerations for framed steel offshore. Marine structural design, second edition, is a wideranging, practical guide to marine structural analysis and design, describing in detail the application of modern structural engineering principles to marine and offshore structures organized in five parts, the book covers basic structural design principles, strength, fatigue and fracture, and reliability and risk assessment, providing all. Offshore jacket structures must be temporarily supported by the nearseafloor. Coupled analysis of offshore wind turbine jacket structures. Steel offshore structures are most usually fabricated in the form of jacket or template structures, as discussed in chapter 2. Pdf analysis of offshore jacket platform researchgate. The paper covers the design of two types of offshore.
The ultimate reference for selecting, operating and maintaining offshore structures, this book provides a road map for designing structures which will stand up even in the harshest environments. Seldom is a designer afforded the luxury of optimizing a structure on the basis of inplace stress analysis. This book gives brief introduction to offshore engineering with basic concepts of various. It includes the practical aspects of the offshore structures with handy design guides, simple description of the various components of the offshore engineering and their functions.
The principle behind the fixed platform design is to minimize the. Dynamic analysis and design of offshore structures. The specific rules and other classification criteria that are being supplemented by this guide include the latest versions of the following documents. Many oil platforms will also contain facilities to accommodate their workforce. With this book in hand, engineers will have the most uptodate methods for. Subsea production wells have been around for more than 40 years. Offshore jacket structures must be temporarily supported by the nearseafloor soils before driving of the. A large number of books and papers on structural reliability theory have been. Offshore structure design, construction and maintenance covers all types of. A jacket structure is a welded tubular space frame consisting of vertical or battered legs supported by a lateral bracing system. The number of failure elements will for a small steel jacket structure often be as.
For the fixed platform concepts jacket and gbs, the different execution phases are briefly explained. Fixed jacket platforms are huge steel framed structures used for the exploration and extraction of oil and gas from the earths crust. The industry standard strucad software package developed specially for offshore structural analysis is used to obtain platform displacement response under. However, in a systems analysis it can be difficult beforehand to judge whether a. The primary purpose of the book is to provide the important practical aspects of offshore engineering without going into the nittygritty of the actual detailed design. The ultimate reference for selecting, operating and maintaining.
In addition, the book integrates the concepts of structural dynamics with the formevolved design of offshore structures, offering a unique approach. The coupled analysis between a turbine in operating condition and a complex jacket support structure was formulated in this paper for the. Offshore structure design, construction and maintenance covers all types of offshore structures and platforms employed worldwide. Special attention is given to some principles of topside design.