Efficient Utilization of Existing Facilities and Energy in Gas Processing

A. Vyas
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Abstract

The objective of the Study was to recommend the most techno-economic option to maximize the NGL Recovery at existing Gas Processing Complex by assessing all the facilities in the complete processing chain from Offshore to Onshore and evaluating the potential options and their associated bottlenecks, production impact and business interruption in order to address the changes in gas supply to the existing Gas Processing Complex from various sources and developments. The Study was conducted in 3 stages: Feasibility Study was carried out and recommended to install two NGL Recovery Trains with huge capital investment.Gap Analysis and Idea Innovation - The alternative idea of maximizing utilization of existing facilities and energy with minimum modifications was developed by re-distributing the feed streams based on their richness in NGL content within existing facilities so that the optimum NGL Recovery can be achieved.Pre-Feed Study – The developed idea along with other potential options were thoroughly evaluated by a Pre-FEED Study to select the most techno-economic feasible option. The concept of maximizing utilization of existing facilities and re-distribution of gas according to their qualities offers outstanding benefits to its shareholders: Considerable saving in capital investment ~ 98.64% and energy saving of ~ 18 MWminimum modifications at Offshore Facilities and Existing Gas Processing Complex which could be carried-out during a planned Shut Down and without impacting the production targets.High Net Present ValueReversible design and operationNo long lead items This paper represents the change in typical approach of installation of new facilities to accommodate the increase in gas supply to a holistic approach of efficient utilization of existing facilities and energy to generate more values to business by generating more revenues with minimum modifications and offering facilities which will be fit for purpose and potential future developments.
天然气处理中现有设施和能源的有效利用
该研究的目的是通过评估从海上到陆上的完整加工链中的所有设施,并评估潜在的选择及其相关的瓶颈、生产影响和业务中断,从而推荐最具技术经济效益的选择,以最大限度地提高现有天然气处理综合体的NGL采收率,以解决来自各种来源和开发的现有天然气处理综合体的天然气供应变化。研究分三个阶段进行:进行可行性研究,并建议安装两列投资巨大的液化天然气回收列车。差距分析和理念创新——通过在现有设施中根据NGL含量的丰富程度重新分配饲料流,以实现最佳的NGL回收率,从而在最小修改的情况下最大限度地利用现有设施和能源。预饲料研究-通过预饲料研究对已开发的想法以及其他潜在方案进行全面评估,以选择最具技术经济可行性的方案。最大限度地利用现有设施和根据其质量重新分配天然气的概念为其股东带来了显著的利益:节省了可观的资本投资~ 98.64%,在海上设施和现有天然气处理综合体的最小修改中节省了~ 18兆瓦的能源,这些修改可以在计划关闭期间进行,而不会影响生产目标。高净现值可逆设计和操作无长期主导项目本文代表了为适应天然气供应增加而安装新设施的典型方法向有效利用现有设施和能源的整体方法的转变,通过最少的修改和提供适合用途和潜在未来发展的设施来产生更多的收入,从而为企业创造更多的价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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