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首页> 外文会议>Offshore technology conference (OTC 2002): deep into the future >Malampaya Deep Water Gas-to-Power Project: Malampaya Subsea Development
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Malampaya Deep Water Gas-to-Power Project: Malampaya Subsea Development

机译：马兰帕亚深水天然气发电项目：马兰帕亚海底开发

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The Malampaya field development comprises subsea wells inrn820 metres water-depth producing via a subsea manifold andrntwo 16 inch diameter inconel clad flowlines to a shallow waterrnplatform 30 km distant in 43 metres water-depth. Condensaternis removed on the platform and the dry gas is then transportedrnvia a 504 km long 24 inch export pipeline to an onshore gasrnplant for at Tabangao (Batangas, Luzon Island) for extractionrnof H2S. The condensate is stored in the platform CGS caissonrnprior to export via a short 3 km long 24 inch diameter pipelinernand CALM buoy (Fig. 1).rnThe Malampaya development is unusual insofar as it is in arnremote deepwater location offshore the Philippines and utilisesrnsubsea wells as the sole supply of gas to electricity powerrngeneration stations located on the mainland. Many challengesrnhad to be overcome to realise this latest advance in therndevelopment of deep water subsea production capability:rn? High reliability and system availability requirements;rn? Difficult flow assurance aspects including hydraternprevention and high liquid hold-up in the flowlines;rn? High production rate wells, high H2S and CO2 content ofrnproduced fluids requiring CRA materials;rn? Installation and operation in a remote location devoid ofrnthe customary support infrastructure.rnThe Subsea System design focussed on achieving thernhighest levels of overall system availability. This wasrnachieved by a combination of simplifying the design wherernpossible and providing suitable levels of redundancy. Thisrnapproach was supplemented by applying the highest levels ofrnquality assurance and control during the manufacturing phase.rnFinally, a full system integration test was undertaken prior torninstallation offshore to simulate the in-service conditions andrnverify the system performance.rnThis paper describes how these unique challenges werernaddressed during the realisation of the MalampayarnSubsea System.
机译：Malampaya油田开发项目包括通过水下歧管产生深820米水深的海底井和两条直径为16英寸的铬镍铁合金包层流水线到30米深，距水深43米的浅水平台。除去平台上的冷凝水，然后将干燥的气体通过504公里长的24英寸出口管道输送到陆上的天然气厂，供塔巴高（Tatangao，吕宋岛八打雁省）提取H2S。冷凝水储存在CGS沉箱平台中，然后通过一条短的3公里长，24英寸直径的管道和CALM浮标出口（图1）。Malampaya的开发是不寻常的，因为它位于菲律宾海上的arnremote深水区，并利用海底油井作为向位于大陆的发电站独家供应天然气。要实现深水海底生产能力发展的最新进展，必须克服许多挑战：高可靠性和系统可用性要求；难以保证流量的方面，包括防止水合物和生产线中的高液体滞留率；需要CRA材料的高生产率井，高H2S和CO2含量的产出液;在没有常规支持基础结构的远程位置进行安装和操作。水下系统的设计重点是实现最高水平的整体系统可用性。这是通过在可能的情况下简化设计和提供适当级别的冗余的组合来实现的。最后，在制造阶段应用最高水平的质量保证和控制来补充这种方法。最后，在海上安装之前进行了全面的系统集成测试，以模拟在役条件并验证系统性能。本文描述了这些独特的挑战是如何在解决期间解决的Malampayarn海底系统的实现。

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