A split dock construction method for self-elevating production, storage and offloading platform
A production platform and self-elevating technology, which is applied in shipbuilding, construction, ship parts, etc., can solve the problems of prolonging the construction period of the dock and the difficulty of building a double-deck platform, so as to improve the utilization rate of the dock, shorten the construction period, and achieve high efficiency. Economical effect
Active Publication Date: 2017-01-18
DALIAN SHIPBUILDING IND
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Problems solved by technology
The above-mentioned multi-functional jack-up production, storage and offloading platform has two independent platforms, which are connected by the underwater locking device of the pile legs. Dock inner layer construction method, this type of platform is extremely difficult to construct the unique double-layer platform, which will greatly prolong the construction period of the dock
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[0016] attached Figure 2-8 It is a schematic diagram of the construction process of the self-elevating production, storage and offloading platform split dock. The entire construction process is decomposed into 7 main processes, respectively through Figure 2-8 Expressed, the main construction process is as follows:
[0017] figure 2 It reflects that the production platform 1 is built on land at one side of the dock; the storage cabin platform 2 is built at the dock.
[0018] That is, step 1, construction of dual independent platforms: the production platform 1 and the storage cabin platform 2 start construction independently at the same time, the storage cabin platform 2 is built on pier in the dock, and the production platform 1 is built on the land beside the dock;
[0019] image 3 It reflects that the production platform 1 has been completely built on land on the side of the dock, including pile legs 3, and the lifting system has been debugged. The road 7 extends to...
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The invention discloses a split type dock construction method of a self-elevating production platform and an oil storing and platform. The split type dock construction method is used for ocean marginal oil field exploitation, processing and storage. An upper production platform with pile legs of the self-elevating production oil storage and discharging platform is integrally constructed on the ground located on one side of a dock, and a lower storage cabin platform is integrally constructed in the dock through a slide way and a push unit. After the production platform and the storage cabin platform are constructed, the two platforms are combined in the dock, water is injected in the dock and reaches a theoretical draft height, and the whole platform can float out the dock. According to the split type dock construction method, through dock resources and the lifting characteristic of the self-elevating production platform and the oil storing and discharging platform, the two independent platforms of the self-elevating production platform and the oil storing and discharging platform are constructed in a split mode, quick construction is achieved through the lifting capacity of the platform, the use rate of the dock is improved, the construction cycle of the platform is shortened, and the split type dock construction method has high economic property and high popularization value, and is a new construction technology in the field of construction of self-elevating platforms.
Description
technical field [0001] The invention relates to the technical field of marine engineering, and more specifically relates to a construction method for a split dock of a self-elevating production, storage and unloading platform with a dual-body platform, which has production and storage capabilities. Background technique [0002] With the upsurge of offshore oil development in the 21st century, the requirements for the integration of development equipment for offshore marginal oilfields are getting higher and higher. Multifunctional integrated equipment for exploration, drilling, crude oil separation, processing and storage has become a hot spot and focus of offshore platform development. At present, a multifunctional self-elevating production, storage and unloading platform for marginal oil field exploitation has been developed in China. This kind of platform has a pile leg structure and can be lifted freely; it has a drilling function and has the ability of drilling and mini...
Claims
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IPC IPC(8): B63B9/00
CPCE02B17/021
Inventor 孙瑞雪鲍雨晖董庆辉张丽波刘洪峰窦钧黄天颖
Owner DALIAN SHIPBUILDING IND