Discussion and Analysis of Offshore CCS/CCUS Service Model

doi:10.3969/j.issn.1002-302X.2024.03.014

Abstract

Abstract: China’s petroleum enterprises have taken an active part in international cooperative oil and gas projects in recent years. Geological storage and utilization of carbon dioxide (CO₂) is a key technology to solve greenhouse gas emission and fulfill the “carbon peak and carbon neutrality” objective. From the angles of the CCS/CCUS service classification and the CO₂ sources, this article analyzes the offshore CCS/CCUS projects worldwide and summarizes four types of offshore CCS/CCUS service model. Based on the factors like the CO₂ phase variation and impurity content, the article studies the influence of CO₂ functions and analyzes the bottlenecks in matching of offshore CO₂ sources, transportation and injection. Taking into account the present conditions and development demands of domestic offshore CCS/CCUS business, it clarifies the future orientations for offshore CCS/CCUS service technological development in three areas--the model for matching source sink in the form of offshore CO₂ cluster and hub, optimization of injection model and systematic equipment R&D, and the ability for flow-keeping technology.

Key words: CCS/CCUS, in the form of cluster and hub, model for matching source sink, carrier, dry ice, hydrate

摘要： CO₂地质封存与利用是应对温室气体排放、实现碳达峰碳中和目标的关键技术。从CCS/CCUS作业类型、CO₂来源等角度对全球海上CCS/CCUS项目进行分析，总结形成4类海上CCS/CCUS作业模式。通过对CO₂相态变化、杂质含量等因素对CO₂性能的影响研究，分析了海上CO₂源汇匹配、运输、注入的难点。结合国内海上CCS/CCUS业务现状与发展需求，从海上CO₂集群枢纽式源汇匹配模式探索、注入模式优化及配套设备研发、流动保障技术能力建设3个方向明确今后海上CCS/CCUS作业技术发展方向。

关键词: CCS/CCUS, 集群枢纽式, 源汇匹配模式, 运输船, 干冰, 水合物

CLC Number:

X701
TE5

Huang Jie, Zhang Xinping, Chen Zhao, Sun Jiuqiang, Jia Zhenchong, Hua Zejun. Discussion and Analysis of Offshore CCS/CCUS Service Model[J]. Petroleum Science and Technology Forum, 2024, 43(3): 112-117.

黄杰, 张新平, 陈召, 孙久强, 贾振冲, 华泽君. 海上CCS/CCUS作业模式探讨与分析[J]. 石油科技论坛, 2024, 43(3): 112-117.

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