Analysis and design of jacket offshore platform using sacs software

The known methodes of fatigue analys is published at design codes suche as, api and. Nonlinear static and dynamic analyses of jackettype offshore. Inplace strength evaluation of existing fixed offshore. Structural integrity analysis of fixed offshore jacket. In the structural optimization problem, the aim is to decrease the amount of.

Study of fixed offshore platforms jacket in the optimization design process. Haritos the university of melbourne, australia abstract. First offshore wind farm designed using sacs software. An intensive 5 day training course modelling and analysis. Static analysis is done using the options available on the software which can take inputs for multiple loads and load details accurately. Offshore design company offshore engineering service. The overall structural integrity assessment of the present fixed offshore structure is shown in figure 1. This study is done by using sacs software for design and analysis. Introduction to the analysis and design of offshore structures an overview n. Design safe foundations for offshore structures using sacs pile structure design. The process of fatigue analysis on fixed metal offshore. Pdf offshore fixed platform design inplace analysis. If you continue browsing the site, you agree to the use of cookies on this website. In performing structural analysis using software such as sacs, for example, it is better to define the direction of the model.

Course overview sacs is an offshore structural design and finite element analysis software made up of several compatible structural analysis programs that support the analysis, design, fabrication, and installation of offshore structures including those used in on fixed and mobile oil and gas platforms, and wind farm platforms. Is this true and what is the future of using staad for offshore analysis such as transportation. Structural integrity assessment of a jackettyped fixed offshore platform in. Sacs is an integrated suite of software that supports the analysis, design, fabrication, and installation of offshore structures, including oil. Sacs training on offshore structural analysis computer. Because of existence of peridice loads derived by waves, sea current, wind, etc. In the present analysis, dynamic behavior of the structure and deflection of the platform is studied for. Code checking of fixed offshore platforms msfjacket structures, deckmodule structures using sacs, sesam. Sacs software calculates the maximum combined stress ratio. Sacs is an integrated suite of software that supports the analysis, design and fabrication of offshore structures, including oil, gas, and wind farm platforms. Using moses, the team simulated the complex floatover installation for the central platform, and using sacs enabled the joint design work to be completed two weeks ahead of schedule. Offshore platform design and simulation software moses. This is a base driven analysis and therefore the motions are input at the bottom of the jacket structure. Inelastic nonlinear pushover analysis of fixed jackettype.

This helps expedite compliance to international design codes for oil and gas, and wind turbine platform structures subject to environmental and mechanical loads. Sacs provides engineers with comprehensive analysis and design capabilities that improve infrastructure operational safety and minimize risk and ensure compliance for a broad range of structures. It will cover all the stages of the modelling design and analysis from the model preparation until the result interpretation structure. Offshore and marine engineering analysis, design software. Ongc selected bentleys flexible, interoperable offshore design and analysis applications, sacs and sacs collapse, integrating a methodology that allowed for multiple analyses of the platforms using. The selfweight of the jacket platforms, buoyancy, installed equipment, live load were applied on.

Offshore structural analysis and design software achieve offshore structure compliance more quickly with the most comprehensive and uptodate international design code coverage available. Investigation of the pile aging effect of a fixed offshore. Achieve offshore structure compliance more quickly with the most comprehensive and uptodate international design code coverage available. Platform concepts analysis techniques codes and standards sacs software modules module arrangement global settings file naming convention setting up project, run files etc precede, data generator and editor 2 creating structural models with sacs using the graphical interface and be able to demonstrate the method of creating a new model using.

The industry standard strucad software package developed specially for offshore structural analysis is used to obtain platform displacement response under varying external loadings. This paper represents a case study of the existing fixed offshore platform located in persian gulf by inplace strength analysis. Bentley systems, incorporated, the leading company dedicated to providing comprehensive software solutions for sustaining infrastructure, recently released the latest version of its sacs software for the analysis and design of new and existing fixed offshore oil and gas structures and wind farm structures. Offshore structure platform design using sacs software training in london uk, dubai united arab emirates, kuala lumpur malaysia, istanbul turkey, france paris. Offshore design and analysis software assists wind farm engineering. Professional static offshore package the professional static offshore package contains capabilities required for typical offshore jackets, wharfs, and dolphin structures. The training on the application and usage of the sacs software will be carried as per the attached proposed plan. The structure is modelled, analyzed and designed using finite element software sacs structural analysis computer system. Offshore structure design an overview sciencedirect topics.

Bader diab naji tahan, in handbook of offshore engineering, 2005. Jacket structures that are too heavy to be lifted can be launched into the sea off a launch barge. Ongc uses offshore design and analysis software to. Bentley takes pride in playing a vital role in the engineering design of this wind farm. Later this year, the block island wind farm on rhode island will be completedthe first offshore wind farm in the united states. Offshore structural analysis software ensure compliance with comprehensive offshore design code coverage in sacs offshore structure. Sacs offshore structural analysis and design software youtube.

Sacs offshore structural analysis and design software. Inservice analysis is to look at the failure mode analysis of fixed offshore platform structure at the time was operating service. The gh bladed software outputs a special file for sacs which can be used to automate the fatigue and strength analysis. Fixed offshore jacket type wellhead platform, fem design, sacs software, pushover. Sacs is an integrated finite element structural analysis suite of applications that uniquely provides for the design, fabrication, installation, operations, and maintenance of offshore structures, including oil platforms and wind farms. Powerful tools for the design of civil infrastructure cngs engineering accelerates offshore oil field development using bentleys structural analysis and design software creates innovative steelplated jacket for iceresistant offshore platform inventive design for epic project cngs engineering is part of the cngs group, an international. Newest release of bentleys sacs software for offshore. Bentley applications provided an intelligent analysis and design flow for living quarters, topsides, and jackets. Design and analysis of offshore fixed platform using sacs 5. Sacs offshore structure design and analysis software youtube. Its offshore structural analysis and design software, or sacs, was used in designing the substructures of the wind turbines. In this platform the design point of view i provide the jacket 6 legs are are battered at. Cv structural engineer experienced in offshore fixed.

Improve your analysis and design process for offshore structures with sacs. Its ability to dynamically iterate designs allows users to perform advanced analysis, comply with offshore design criteria and visualize complex results. Sacs offshore structure offshore structural analysis software. Sacs offshore structure design and analysis software. Collaborate more effectively between disciplines using integrated software applications to analyze, design, and simulate the response of complex offshore structures and vessels. Ongc produces oil from the western offshore fields off the coast of mumbai, india. The pushover analysis was conducted for jacket platform a, b and c using the actual and the aged soil curves. Sacs is an integrated suite of software that supports the analysis, design and fabrication of offshore structures, including oil, gas, and wind farm platforms and topsides created by bentley acquired engineering dynamics, inc widely used in oil and. Predict behavior of a platform or topside structure with comprehensive. Can you explain the integration of the gh bladed software for offshore wind turbine structures. Improve design quality and predict offshore structural performance using a unified analysis environment that enables the efficient. Offshore structure platform design using sacs software. Improve design quality and predict offshore structural performance using a unified analysis environment that enables the efficient exploration of alternatives. The overall objective is to provide participants with deep understanding of the design and analysis of fixed offshore platforms, specifically, the concept, design, analysis and results interpretation of modeling, in place, load out and lifting analysis of jackets and.

In this study, inelastic nonlinear pushover analysis is performed on a 3d model of a jackettype offshore platform for the north sea conditions. Life extension of an existing jacket platform needs proper reassessment of its structural members, such as piled foundations. An analytical model of a typical platform, located in mumbai high oil fields is developed using the sacs software. The analysis process is speeded up using the multicore functionality of the pc. The fixed offshore jacket structure is first assessed at design level by performing linear static analysis using sacs software 8. The requalification and recertification of the offshore jacket. The semisubmersible vessel design is commonly used in a number of specific offshore roles such as for offshore drilling rigs, safety vessels and oil production platforms. Sacs pile structure design, offshore structure foundations. It will cover all the stages of the modelling design and analysis from the model preparation until the.

Fixed jackettype offshore structures is a type of oil platform with facilities. Sacs offshore structure design analysis training eqspan. The structural analysis revealed that most of the old jacket structures did not meet oisd. Platform concepts analysis techniques codes and standards sacs. The overall objective is to provide participants with deep understanding of the design and analysis of fixed offshore platforms, specifically, the concept, design. A launch barge is a flat top cargo barge equipped with skid beams, a rocker arm, launch winches and a suitable ballasting system.

This paper provides a broad overview of some of the key factors in the analysis and design of offshore structures to be considered by an engineer uninitiated in the field of offshore engineering. Sacs is an integrated finite element structural analysis package of applications that uniquely provides for the design of offshore structures, including oil and gas platforms, wind farms, and topsides of fpsos and floating platforms. Detailed structural design of production well offshore jacket platform with sacs 5. Introduction to the analysis and design of offshore.

Pl193 oil field jacket design and development of fixed. However, on confirmation of the training, the same can be. Ensure compliance with comprehensive offshore design code coverage in sacs offshore structure. Improve design quality and predict offshore structural performance using a unified analysis environment that enables the efficient exploration of. Sacs is an integrated suite of software that supports the analysis, design, fabrication, and installation of offshore structures, including oil, gas, and wind farm platforms and topsides. Sacsoffshore analysis and design software training in. Jacket platform sacs pushover analysis aging effect persian gulf 1.

Improve design for operational safety through ship impact and dropped object analysis, and minimize risk through offshorespecific load generation. Analysis and design of jacket offshore platform using sacs software by. Inplace analysis, an analysis in fixed offshore platform. Ongc uses offshore design and analysis software to requalify aging platforms. During the service life of the platform, it may be required to take more provisions than its.

Introduction offshore jacket platforms are normally designed for around 25 years design life. It will cover all the stages of the modelling design and analysis from the model. Modelling and analysis of fixed offshore structures using sacs software. In the design phase of a fixed offshore structure, in general there are two types of analysis, the analysis of inservice and preservice analysis. Fixed offshore structures using sacs software an intensive 5 day training course this course is designed, developed, and will be delivered under. Offshore drilling in water depth greater than around 120 meters requires that operations are carried out from a floating vessel. For more information on sacs offshore structural analysis. Jacket a and b are fourlegged platforms while jacket c is a sixlegged platform as shown in the figure1. Static and dynamic analysis of pile foundations for offshore structures using grl weap. Modeling, analysis of semisubmerged offshore platform using fem based software like patranpre, sesam, sestra, and girder. One of the important reasons of fracture in jacket pelatforms that makes the sadenly failure and structual resistanc reduce at long time, is fatigu phenomena.