Aasta Hansteen水下生产系统适用于深水和恶劣环境

S. Lindseth, E. Røsby, Brynjar Vist, K. Aarnes
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引用次数: 2

摘要

Aasta Hansteen海底生产系统是一个新的深水天然气开发项目的一部分,该项目位于挪威海,位于北极圈以北,距离挪威城市Bodø以西300公里。该开发项目水深1300米,是挪威水域的新水深记录,其特点是地理位置偏远,环境恶劣。本文的目的是介绍水下生产系统的概念选择、技术开发、设计和制造,包括脐带和修井系统。为了验证Aasta Hansteen海底深水开发的新技术解决方案,在早期规划、持续实施经验教训和广泛的测试计划中进行坚实准备的重要性。这包括开发一种新的单桩“烤面包架”模板,该模板设计用于减少歧管和X-mas树系统的安装指南。本文还介绍了一种新的深水修井系统,包括广泛的认证程序和一些新的技术特征,如新的安全接头、升沉补偿器和隔水管接头的自动组装等,以提高作业效率,提高在给定挑战性条件下的安全性。本文还进行了全尺寸井口测试,以验证设计的疲劳性能。Aasta Hansteen海底生产系统采用了几项新技术,以适应深水作业,提高HSE性能,提高系统效率。经验表明,新技术和新系统解决方案提高了HSE性能、操作性能和安装友好性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Aasta Hansteen Subsea Production System for Deep Water and Harsh Environment
The Aasta Hansteen Subsea Production System is a part of a new major deep water gas development located in the Norwegian Sea, north of the Arctic Circle and 300 km from shore, west of the city of Bodø in Norway. With a water depth of 1300m, this development is a new water depth record in Norwegian waters and it is characterized by its remote location and harsh environment. The objective of this paper is to present the concept selections, technology development, design and fabrication for the subsea production system including umbilical and workover system. The paper demonstrates the importance of solid preparation in early phase planning, continuous implementation of lessons learned and an extensive test program in order to verify the new technical solutions for the Aasta Hansteen subsea deepwater development. This included development of a new mono-pile "toast rack" template designed for guideline less installation of manifolds and X-mas tree systems. This paper also presents a new deep water Workover system, involving an extensive qualification program and several new technical features such as a new safety joint, heave compensator and automated make-up of riser joints and more, in order to improve operational efficiency and increase safety under given challenging conditions. The paper also addresses a full scale wellhead testing in order to verify the design for fatigue performance. Several novel technologies were qualified and implemented as part of the Aasta Hansteen Subsea Production System to adapt to deep water operations, to enhance HSE performance and improve efficiency of the system. The experience is that the new technologies and new system solutions have improved HSE performance, operational performance and installation friendliness.
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