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Valve and Actuator Technology for the Offshore Industry
Published in Karan Sotoodeh, Coating Application for Piping, Valves and Actuators in Offshore Oil and Gas Industry, 2023
Topside offshore refers to units that are located on platforms or ships in seas and oceans. Fixed platforms are often used for the development of offshore fields in shallow water depths. They could be made of steel or concrete and rely on their own weight to sit on the seabed or ocean floor. An oil platform is a large structure used to house workers, facilities and units, including industrial piping, valves and actuators, that are used for the production and treatment of oil, gas and other petroleum byproducts. Figure 5.2 illustrates a fixed platform. Fixed platforms can be used for a design life of +30 years, and a maximum of 300 m water depth, as illustrated in Figure 5.3.
Offshore Structure and Design
Published in Shashi Shekhar Prasad Singh, Jatin R. Agarwal, Nag Mani, Offshore Operations and Engineering, 2019
Shashi Shekhar Prasad Singh, Jatin R. Agarwal, Nag Mani
Fixed platform is a stationary offshore structure extending upward from the mean sea level and connected to the seabed by piling, concrete column, or other suitable means. There are different types of fixed platforms: Concrete gravity structureGuyed tower or compliant towerJacketed platformJackup platform
Fossil Energy Sources
Published in Anco S. Blazev, Power Generation and the Environment, 2021
Fixed Platforms are usually found in shallower water, where they are attached to the sea floor via “legs” constructed with concrete and steel. The legs extend down from the platform, and are fixed to the seafloor with piles. Large platforms mounted on heavy-duty concrete legs structures are so heavy that they are not attached to the seafloor, and the entire rig relies on its weight for stability.
Work breakdown structure application for man-hours calculation in hull construction shipbuilding in Malaysia
Published in Cogent Engineering, 2019
W. A. Z. Wan Abd Rahman, N. I. Mohd Zaki, M. K. Abu Husain
In 2009, there were approximately 200 offshore platforms operated by various oil & gas operators in Malaysia. Petronas Carigali Sdn. Bhd. (PCSB) owned 175 fixed types, majority using jacket substructure and four floating types using FSO/FPSO within Peninsular Malaysia Operation (PMO), Sabah Operation (SBO) and Sarawak Operation (SKO) (Abu Husain, Mohd Zaki, & Najafian, 2017; Mat Soom et al., 2016). The types of Fixed platforms range from drilling Jack-up, wellhead platform (WHP), production or central processing platform (CPP), gas compression, living quarter, vent and riser (Potty & Akram, 2009).
A review of shallow water structures in the U. S. Gulf of Mexico circa 2016
Published in Ships and Offshore Structures, 2018
Jackets consist of three or more legs and the bracing system that connects the legs. They are secured to the seafloor with piles and are referred to variously as well protectors and fixed platforms. Well protectors usually have three or four legs and most are minor structures while fixed platforms have four or more legs and may be a major or minor structure. Major fixed platforms resemble the jacket structure of well protectors but are larger more robust structures that include facilities for drilling, production and workover operations. Fixed platforms come in a wide variety of configurations.