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Selection of subsea distribution systems
Applied Ocean Research ( IF 4.3 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.apor.2020.102399
Sirous F. Yasseri , Hamid Bahai

Abstract Equipment repair and intervention in subsea oil and gas fields are expensive, mainly due to vessel mobilization time, retrieval, repair, and replacement costs. The loss of revenue due to downtime could also be significant and the producer could face penalties in not meeting contractual commitments. These costs are part of the life cycle cost, which must be considered at the design stage. Estimating the reliability and availability of subsea systems at an early stage of design is important in assuring the quality of the system architecture, which leads to a more reliable choice of configuration and equipment. Availability analyses should be undertaken very early in the development process, while the operational concept is still under review, and the choice of components is still to be finalized. Postponing this assessment could prove to be too costly to improve the availability and dependability. This paper presents a reliability assessment using a systems engineering framework by combining the system's requirements and reliability requirements. A Design Structure Matrix (DSM) is employed to map the system and visualize the inter-relationships (dependencies) between components/subsystems. The DSM is then augmented with reliability data, including intervention times, to determine the overall system availability. It is also explained how to use the system's DSM to aid integration and interface management decisions. A case study is presented to demonstrate this procedure.

中文翻译:

海底分配系统的选择

摘要 海底油气田的设备维修和干预费用昂贵,主要是由于船舶动员时间、检索、维修和更换成本。由于停机时间造成的收入损失也可能很大,生产商可能会因不履行合同承诺而面临处罚。这些成本是生命周期成本的一部分,必须在设计阶段加以考虑。在设计的早期阶段估计海底系统的可靠性和可用性对于确保系统架构的质量很重要,这会导致更可靠的配置和设备选择。可用性分析应在开发过程的早期进行,而操作概念仍在审查中,组件的选择仍有待最终确定。推迟此评估可能会证明成本太高,无法提高可用性和可靠性。本文通过结合系统要求和可靠性要求,使用系统工程框架进行可靠性评估。设计结构矩阵 (DSM) 用于映射系统并可视化组件/子系统之间的相互关系(依赖性)。然后用可靠性数据(包括干预时间)对 DSM 进行扩充,以确定整体系统可用性。还解释了如何使用系统的 DSM 来帮助集成和接口管理决策。提供了一个案例研究来演示此过程。本文通过结合系统要求和可靠性要求,使用系统工程框架进行可靠性评估。设计结构矩阵 (DSM) 用于映射系统并可视化组件/子系统之间的相互关系(依赖性)。然后用可靠性数据(包括干预时间)对 DSM 进行扩充,以确定整体系统可用性。还解释了如何使用系统的 DSM 来帮助集成和接口管理决策。提供了一个案例研究来演示此过程。本文通过结合系统要求和可靠性要求,使用系统工程框架进行可靠性评估。设计结构矩阵 (DSM) 用于映射系统并可视化组件/子系统之间的相互关系(依赖性)。然后用可靠性数据(包括干预时间)对 DSM 进行扩充,以确定整体系统可用性。还解释了如何使用系统的 DSM 来帮助集成和接口管理决策。提供了一个案例研究来演示此过程。包括干预次数,以确定整体系统可用性。还解释了如何使用系统的 DSM 来帮助集成和接口管理决策。提供了一个案例研究来演示此过程。包括干预次数,以确定整体系统可用性。还解释了如何使用系统的 DSM 来帮助集成和接口管理决策。提供了一个案例研究来演示此过程。
更新日期:2020-12-01
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