油气行业甲烷减排的真实成本几何?

文摘   2024-12-11 18:29   北京  


麦肯锡的一份报告指出,仅上游石油和天然气行业(下文简称:油气行业)就可减少高达4%的全球温室气体排放量,但这需要行业参与者和资本投资者在全球范围内开展合作。


减少甲烷排放和燃烧是全球脱碳的核心,尤其是上游油气行业,其排放约占全球温室气体(GHG)排放总量的7%,其中一半来自甲烷


自2021年多国加入全球甲烷承诺(GMP),减少甲烷排放的呼声日益高涨。监管、企业和社会层面进一步减少甲烷排放的压力也与日俱增。在去年召开的COP28会议上,占全球石油产量50%的公司签署了《石油和天然气脱碳宪章》(OGDC),目标是到2030年实现“甲烷近零排放”和“零常规燃烧”。鉴于这一势头,那些尚未制定上游减排计划的公司有望尽快制定计划。


麦肯锡的这份报告分析了上游油气企业为实现这些目标而减少排放的潜力。好消息是,减少甲烷排放和燃烧的技术已经存在且足够成熟,企业可以以较低成本取得巨大进展,甚至从中获益。但是,实施这些计划需要在天然气管道、液化天然气(LNG)终端和油轮等的运输基础设施建设方面进行大量资本投资。


油气行业减排可能是全球范围内最易实施且影响最大的温室气体减排措施之一。如能采取适当的合作,有望到2030年实现甲烷的显著减排。报告认为,上游行业有潜力以成本中立甚至经济获益的方法将其温室气体足迹减半,相当于每年减少多达20亿吨二氧化碳当量,约占全球温室气体排放量的4%


实现这一减排目标的挑战在于,除了技术成本外,还需要大量的新基础设施建设,这需要大量资本投入。报告估计,减排行动的总投资需求约为2000亿美元,其中1200亿美元将用于基础设施建设,以便将回收的甲烷输送到现有管道或最近的天然气需求中心。在很多情况下,由于资本投资的规模庞大,单个油气公司难以独立承担,而需要其他机构广泛的参与。


甲烷减排、减少燃烧和整体运营优化都需要技术实施和系统方法,新基础设施的开发和融资需要引入新的融资机制,以及众多利益相关者之间密切且创新的合作。这些努力将以可实现的成本,在2030年前大幅减少全球温室气体排放量。

更多甲烷减排承诺出现

近年来,上游油气公司加快了甲烷和二氧化碳减排的步伐。除了制定包括甲烷税在内的新法规外,机构投资者对净零目标施以更多关注,以及社会对气候变化的认识不断提高,促使全球越来越多的石油和天然气公司制定脱碳目标。


报告计算认为,各油气企业提出的甲烷减排目标覆盖了全球约50%的石油产量。实现这些目标将使全球在2030年前每年减少0.6亿吨二氧化碳当量排放,相当于上游油气总排放量下降15%,全球温室气体排放量减少1%。其中,中东地区由于许多企业已做出减排承诺,以及非洲和拉丁美洲因甲烷排放在上游排放占比很大,这些地区显示出了最大的减排潜力。

另外负责10%-15%的油气生产的企业已表明减少甲烷排放的意向,但尚未发布或制定可行的计划。最近的几项全球甲烷管控政策,如欧盟削减甲烷的指令,其中规范了欧盟油气业务,并为进口到欧盟的油气产品设定了严格的甲烷排放强度目标,这些政策的出台有望进一步推动全球甲烷减排。


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The True Cost of Methane Abatement: A Crucial Step in Oil and Gas Decarbonization


The upstream oil and gas sector alone could cut as much as 4% of global greenhouse-gas emissions, according to a report from McKinsey. But this will take worldwide cooperation among industry players and capital investors.


Methane emission abatement and flaring reductions are central to global decarbonization, especially for the upstream oil and gas sector. Upstream oil and gas accounts for roughly 7% of total global greenhouse gas (GHG) emissions, and half of that comes from methane.

Since 2021, when many oil and gas players committed to the Global Methane Pledge (GMP), the call to cut methane emissions has only grown stronger. Regulatory, corporate, and social pressures are mounting to further reduce methane emissions. At COP28 in December 2023, organizations representing up to 50% of global oil production signed the Oil & Gas Decarbonization Charter (OGDC), targeting “near-zero methane emissions” and “zero routine flaring” by 2030. In light of this momentum, companies without a plan to cut their upstream emissions may choose to make one soon.


We have analyzed the potential for upstream oil and gas players to cut their emissions to meet these targets. The good news is that the technologies for reducing methane emissions and flaring are available and mature enough to make huge strides at a relatively low cost or even for financial gain. But implementation will require a significant capital investment in methane evacuation, such as natural gas pipelines, and transportation infrastructure, including liquefied natural gas (LNG) terminals and tankers.


Oil and gas emission reduction could offer some of the lowest-effort, highest-impact GHG mitigation available anywhere, and, with the right collaborative actions, significant reduction is achievable by 2030. This strategy is one of many levers available to the industry for meeting climate goals. Our analysis suggests that the upstream sector has the potential to halve its GHG footprint through approaches that are cost neutral or even financially beneficial. Although accurately estimating methane emissions is notoriously difficult, this reduction corresponds to up to 2 Gt of CO2 equivalent (CO2e) per year—or as much as 4% of the world’s GHG emissions.


The challenge in achieving this reduction is that, on top of these technology costs, substantial new infrastructure—and therefore capital investment—is needed. We estimate the total investment required to unlock this abatement to be approximately $200 billion, of which $120 billion would be for extensive infrastructure to bring recovered methane to existing pipelines or to the nearest gas demand centers. The size of this capital investment will require, in many cases, involvement beyond individual oil and gas players.


Deployment of methane abatement, flaring reduction, and overall operational excellence solutions will require technology implementation and systematic approaches. Development and financing of new infrastructure will require new financing mechanisms, along with close and innovative cooperation among many stakeholders—but the result would be a meaningful decline in global GHG emissions for an attainable cost by 2030.


The Growing Commitment to Methane Abatement


Recently, upstream oil and gas companies have accelerated their efforts toward methane and CO2 emission reduction. On top of new and broader regulations that include methane taxes, a renewed focus on net zero from institutional investors and a growing social awareness of climate change have driven an increasing number of global oil and gas players to set decarbonization targets.


For example, corporate commitments from the GMP and the OGDC, including goals for near-zero methane emissions and zero routine flaring by 2030, involve commitments from more than 50 companies, including many of the world's largest. We calculate that up to 50% of global oil production falls under these methane abatement targets. Meeting these targets will reduce emissions by 0.6 Gt of CO2e per year by 2030, which corresponds to a 15% decline in total upstream oil and gas emissions and a 1% decline in global GHG emissions. The Middle East, where a large proportion of players have made abatement commitments, and Africa and Latin America, where methane emissions represent a large proportion of upstream emissions, show the largest abatement potential.

Players responsible for an additional 10–15% of oil and gas production have announced their intent to reduce methane but haven’t yet translated this into actionable plans or made their plans public. An additional push to do so may come from several recent global methane-regulating policies, including the EU methane directive, which standardizes oil and gas operations in the European Union and sets stringent methane-emission-intensity targets for oil and gas products imported into the European Union.


In light of this momentum, companies without a plan to cut their upstream emissions may choose to make one soon.



本文2024年12月3日发布于JPT.75。文章仅代表作者观点,不代表本公众号立场。


原报告链接:
https://www.mckinsey.com/industries/oil-and-gas/our-insights/the-true-cost-of-methane-abatement-a-crucial-step-in-oil-and-gas-decarbonization


封面图源:Goodvibes Photo/Getty Images

翻译/韩迪  编辑/吕雅宁   

审核/汪燕辉 吕雅宁  排版/包林洁

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