针对某气田分公司在役集气站面临的轻烃回收季节性波动、油水分离技术滞后及人工操作依赖度高等问题,提出了一种创新的工艺改造方案,旨在提高轻烃收率并推动流程自动化管理水平。首先,通过深入剖析集气站现有工艺流程和生产数据,确认了精准控制原料气进站分离温度作为提升轻烃产量的有效策略,并据此优化设计了轻烃增收工艺流程及关键技术参数。其次,利用三维建模软件AVEVA PDMS/E3D,构建了关键设备橇块的全比例三维模型,为实际改造提供了精确指导。最后,通过对试点集气站及全体集气站的经济效益分析,明确了所提出方法的经济可行性,为行业内同类项目的改造升级提供技术参考和经验借鉴。Addressing the issues of seasonal fluctuations in light hydrocarbon recovery, outdated oil-water separation technology, and high reliance on manual operations faced by the in-service gas gathering stations of a certain gas field company, this paper proposes an innovative process transformation scheme aimed at enhancing light hydrocarbon recovery rates and advancing process automation management. Firstly, through a thorough analysis of the existing process flows and production data of the gas gathering stations, precise control of the inlet separation temperature of the feed gas is confirmed as an effective strategy to increase light hydrocarbon production, based on which the light hydrocarbon yield enhancement process flow and key technical parameters are optimized. Secondly, utilizing the 3D modeling software AVEVA PDMS/E3D, full-scale 3D models of the critical skid-mounted equipment are constructed, providing precise guidance for the actual transformation. Lastly, through an economic benefit analysis of both the pilot gas gathering station and all gas gathering stations, the economic feasibility of the proposed method is clarified, offering technical references and practical insights for the transformation and upgrading of similar projects within the industry.
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