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Cost and environmental impact estimation methodology and potential impact factors in offshore oil and gas platform decommissioning: A review
Environmental Impact Assessment Review ( IF 6.122 ) Pub Date : 2021-03-01 , DOI: 10.1016/j.eiar.2020.106536
Yi Tan , Hong Xian Li , Jack C.P. Cheng , Jun Wang , Boya Jiang , Yongze Song , Xiangyu Wang

Abstract Platform decommissioning decision making is a major issue as many of the existing offshore oil and gas platforms (OOGPs) require to be decommissioned. The cost and environmental impact are two main criteria for OOGP decommissioning. This paper reviews OOGP decommissioning factors and the current estimation methodologies of decommissioning cost and environmental impact. Six factors are identified: (1) platform types and complexity, (2) decommissioning options, (3) technical approaches, (4) circumstances, (5) regulations, and (6) strategies, followed by a detailed review of the estimation methodologies of cost and environmental impact. Descriptive statistics are common cost estimation, together with standard-based and index-based cost estimations. For environmental impact estimation, qualitative methods like ranking decommissioning options based on expert option, and quantitative methods like emission calculation based on equipment utilization, duty cycles, and emission factors are commonly used. The findings of this paper indicate that current OOGP decommissioning databases are incomplete, leading to inaccurate and subjective decommissioning cost estimation, and incomplete environmental impact estimation. Recommendations include integrating 3D information modeling with cost indexing to estimate cost, and with life cycle assessment to estimate environmental impact. OOGP decommissioning regulations should include strategies and rules for estimation, and formulating a roadmap with a long-term perspective is necessary.

中文翻译:

海上油气平台退役的成本和环境影响估算方法及潜在影响因素:综述

摘要 平台退役决策是一个主要问题,因为许多现有的海上石油和天然气平台(OOGPs)需要退役。成本和环境影响是 OOGP 退役的两个主要标准。本文回顾了 OOGP 的退役因素以及当前的退役成本和环境影响估算方法。确定了六个因素:(1) 平台类型和复杂性,(2) 退役选项,(3) 技术方法,(4) 情况,(5) 法规和 (6) 策略,然后详细审查估计方法成本和环境影响。描述性统计是常见的成本估算,以及基于标准和基于指数的成本估算。对于环境影响评估,通常使用基于专家选项对退役选项进行排序等定性方法,以及基于设备利用率、占空比和排放因子的排放计算等定量方法。本文的研究结果表明,当前的 OOGP 退役数据库不完整,导致退役成本估算不准确和主观,环境影响估算不完整。建议包括将 3D 信息建模与成本索引相结合以估算成本,并与生命周期评估相结合以估算环境影响。OOGP 退役法规应包括估算的策略和规则,并需要制定具有长远眼光的路线图。占空比和排放因子是常用的。本文的研究结果表明,当前的 OOGP 退役数据库不完整,导致退役成本估算不准确和主观,环境影响估算不完整。建议包括将 3D 信息建模与成本索引相结合以估算成本,并与生命周期评估相结合以估算环境影响。OOGP 退役法规应包括估算的策略和规则,并需要制定具有长远眼光的路线图。占空比和排放因子是常用的。本文的研究结果表明,当前的 OOGP 退役数据库不完整,导致退役成本估算不准确和主观,环境影响估算不完整。建议包括将 3D 信息建模与成本索引相结合以估算成本,并与生命周期评估相结合以估算环境影响。OOGP 退役法规应包括估算的策略和规则,并需要制定具有长远眼光的路线图。建议包括将 3D 信息建模与成本索引相结合以估算成本,并与生命周期评估相结合以估算环境影响。OOGP 退役法规应包括估算的策略和规则,并需要制定具有长远眼光的路线图。建议包括将 3D 信息建模与成本索引相结合以估算成本,并与生命周期评估相结合以估算环境影响。OOGP 退役法规应包括估算的策略和规则,并需要制定具有长远眼光的路线图。
更新日期:2021-03-01
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