深水机遇:超长石油回接开发

M. Gassert, V. Calabrese, G. Paccagnella, A. Fazio, Nicola Galisai, F. Argento, T. Castellitto, S. Magi, G. Citi, Lorenzo Infusino, F. Rollo
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引用次数: 1

摘要

作为OTC-28839-MS论文的延续,本文的范围是进一步介绍和讨论我们关于超长石油回接架构(50-100公里)和支持技术的技术开发计划的结果。现在到了为实际开发项目考虑长回接解决方案的时候了。本文将描述这些技术解决方案在概念选择阶段如何与更传统的开发方案进行比较,以及我们的运营公司如何为潜在的实施做好准备。本文将回顾关键的使能技术,连同它们的准备水平,并讨论集成和操作的驱动因素。规模参考将作为前端工程和设计活动的结果,为实际项目开发机会而开发。将讨论技术性能,并提供技术经济指标。将分析开发和生产过程中的风险,并评估缓解风险的措施。加热的高热性能管线、海底多相增压、海底电源管理、创新的保存程序、最新的海底生产组件,以及可靠的集成控制系统和数字技术的组合,是一个很长的回接解决方案的关键,可以作为一种高速公路,将整个地区的生产恢复到生产中心。从技术上讲,在中短期内,这条道路和跨越的差距似乎是可控的,为深水资产开发带来了新的机遇。现在看来,通过增加新资产与现有生产中心、浅水区之间的距离,甚至将这些资产连接到岸上,都有可能降低深水开发成本。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Deepwater Opportunities Extra Long Oil Tiebacks Developments
The scope of the paper is to further present and discuss, in continuation of OTC-28839-MS paper, the results of our technology development program regarding very long oil tiebacks architectures (50-100km) and enabling technologies. It is arrived the time when long tieback solutions are considered for real development projects. The paper will describe how those technological solutions compare with more conventional development schemes in concept selection phases and how our Operating Company is getting prepared for potential implementation. The paper will review key enabling technologies, together with their readiness level and discuss drivers for integration and operation. Sizing references will be presented as a result of Front End Engineering and Design activities developed for real project development opportunities. Technical performances will be discussed and technical-economic indicators will be provided. Risks during development and production will be analyzed and mitigation will be evaluated. A combination of heated high thermal performance flowlines, subsea multiphase boosting, subsea power management, innovative preservation procedures, newest subsea production components together with a reliable integrated control system and digital technologies are the key enablers of a very long tieback solution that may work as kind of highways to bring back production of a whole area to a production hub. Technically the way to go and the gap to cross appear manageable in mid to short terms opening new opportunities for deepwater asset development. It appears now possible to reduce deepwater development costs by increasing the distance between new assets and existing production hubs, shallow water areas or even connecting those assets to shore.
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