据世界石油8月26日消息称，一项新的研究得出结论，在加州的两个乙醇工厂，每年可以将超过200万吨(MT)的二氧化碳从大气中移除并安全注入地球。这项研究是由Aemetis公司委托进行的，该公司是一家专注于零碳强度以下产品的可再生天然气和可再生燃料公司。
碳捕获与封存(CCS)地质地层评估和钻井研究由Aemetis的子公司Aemetis碳捕获公司完成，并由贝克休斯(Baker Hughes)进行。贝克休斯是一家全球能源服务公司，业务遍及120个国家。
贝克休斯的研究估计，每年有100万公吨的二氧化碳被隔离在Aemetis Keyes乙醇厂地下深处或附近的盐层中。该研究指出，由于盐类地层具有良好的渗透性和其他因素，每年在Aemetis河岸处或附近应注入高达140万公吨的二氧化碳。
Aemetis碳捕获项目建设阶段的项目经理Brian Fojtasek表示:“贝克休斯的初步地质构造和钻井前研究证实了Aemetis计划在Aemetis生物燃料基地或附近建造两口CO2注入井的可行性。我们已经完成了前端加载工程，目前正在进行前端工程设计(FEED)，并批准Aemetis CCS项目。”
一旦完成，Aemetis碳捕获和封存项目预计每年将在加州凯斯和里弗班克的两个 Aemetis 生物燃料厂区捕获和封存超过 200 万公吨的二氧化碳。每年封存的二氧化碳量预计相当于46万辆乘用车每年的排放量。
贝克休斯油田服务部门能源转型负责人Ajit Menon表示:“Aemetis的这项最新研究是基于我们在CCS注入项目的存储场地评估、井位、地下地层评估和钻井技术方面的深厚经验。这是发展CCS能力的又一步，这将是未来能源转型的关键部分。”
朱佳妮 摘译自 世界石油
原文如下：
Baker Hughes conducts CO2 sequestration study at California ethanol plant sites
A new study concluded that more than 2 million metric tons (MT) per year of CO2 can be removed from the atmosphere and injected safely into the earth at two ethanol plant sites in California. The study was commissioned by Aemetis, Inc., a renewable natural gas and renewable fuels company focused align="justify"> The Carbon Capture & Sequestration (CCS) geologic formation review and drilling study was completed by Aemetis Carbon Capture, a subsidiary of Aemetis, and was conducted by Baker Hughes, a global energy services company with operations in 120 countries.
The Baker Hughes study estimated that 1.0 million MT per year of CO2 can be sequestered in the saline formations located deep underground at or near the Aemetis Keyes ethanol plant site. The study noted that up to 1.4 million MT per year of CO2 should be injectable at or near the Aemetis Riverbank site due to the favorable permeability of the saline formation and other factors.
“The conclusions from the initial Baker Hughes geologic formation and pre-drilling study confirm the feasibility of Aemetis plans to construct two CO2 injections wells at or near the Aemetis biofuels sites,” stated Brian Fojtasek of ATSI, the project manager for the Aemetis Carbon Capture construction phase. “We have completed Front End Loading engineering and are now working align="justify"> once complete, the Aemetis Carbon Capture CCS project is expected to capture and sequester more than 2 million MT of CO2 per year at the two Aemetis biofuels plant sites in Keyes and Riverbank, California. The amount of CO2 sequestered each year is expected to be equal to the emissions from 460,000 passenger cars each year.
"This latest study for Aemetis builds on our deep experience in providing storage site evaluation, well placement, underground formation review and drilling technology for CCS injection projects,” said Ajit Menon, energy transition leader for Oilfield Services at Baker Hughes. “This is another step in the development of CCS capacity, which will be a key part of the energy transition going forward.”
