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首页> 外文会议>International Conference and Exhibition on Liquified Natural Gas >HOW TO DEVELOP AN ECONOMICAL SMALL CAPACITY FLOATING LNG TAKING ADVANTAGE OF A DESIGN FOR A LARGER CAPACITY UNIT
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HOW TO DEVELOP AN ECONOMICAL SMALL CAPACITY FLOATING LNG TAKING ADVANTAGE OF A DESIGN FOR A LARGER CAPACITY UNIT

机译：如何开发一种经济的小容量，浮动LNG利用更大的容量单元的设计

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Gas from remote offshore fields may be difficult to monetize when technical difficulties or high costs prevent the installation of a pipeline to shore. Offshore liquefaction on a floating unit may then be a viable alternative even for a relatively small gas field. In the past years, Total has developed studies up to pre-project level definition for a floating LNG using an inert gas liquefaction process. Those studies resulted in a safe, simple and economical generic FLNG design for a capacity of 2.8 Mtpa of LNG. Using this solid basis, a second study program has led to a design for an FLNG of smaller capacity around 1 Mtpa. This paper will present the design drivers of the generic FLNG of 2.8 Mtpa capacity and the methodology used to develop a conceptual dossier for a smaller FLNG capacity of circa 1 Mtpa. This paper will also highlight how the FLNG has been specified. This paper will demonstrate how well balanced options can be effectively selected to design an economical small FLNG and that the economic optimum can be achieved through consistency of the topsides and the hull size without compromising on safety, availability or operability. For example, the hull capacity plan was defined following a screening of the available LNG Carriers and a decision was taken to proceed with a capacity of 75,000 m3, which allowed minimizing the hull length. Likewise, in order to reduce the topsides length, Electrical & Instrumentation buildings associated with the Topsides were installed within the hull space.
机译：当技术困难或高成本阻止将管道安装到岸边时，来自远程近海场的气体可能很难被批准。浮动单元上的海上液化可以是即使对于相对小的气田也可以是可行的替代方案。在过去几年中，使用惰性气体液化过程，总共开发了对浮动LNG进行预先进行预先进行的预先液位定义。这些研究导致了一种安全，简单，经济的通用FLNG设计，液化天然气的2.8 MTPA。使用这种坚实的基础，第二个研究程序导致了一个较小容量的设计，左右1 MTPA。本文将介绍2.8 MTPA容量的通用FLNG的设计驱动因素，以及用于开发概念档案的方法，用于大约1 MTPA的较小的FLNG容量。本文还将突出FLG如何指定。本文将展示平衡选项如何有效选择以设计经济的小流行，并且可以通过颠覆和船体尺寸的一致性来实现经济最佳，而不会影响安全性，可用性或可操作性。例如，在筛选可用的LNG载体后定义了船体容量计划，并采取了一个决定，以75,000 M3的容量进行，这允许最小化船体长度。同样地，为了减少与顶部相关联的旋转长度，电气和仪器建筑物安装在船体空间内。

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