摘要
油田企业是能源行业的用能大户,采用清洁能源替代油田消耗的化石能源,降低油田碳排放,可有效助力我国双碳目标实现。根据油田用能结构特点和资源条件,以不同类型项目为实例,分析了高温采出液利用、热泵工艺、液化天然气(LNG)工艺、太阳能利用和风力发电等油田清洁替代工艺的应用条件、投资、运行费用和碳排放情况。结果表明,在相同的能耗下,水源热泵工艺单位综合造价为0.17×10^(4) CNY/kW、LNG工艺为0.40×10^(4) CNY/kW,二者相较于其他工艺投资低。风力发电和光伏发电不产生碳排放,太阳能光热、光伏发电和风力发电运行费用为0.018×10^(4)~0.040×10^(4) CNY/(kW·a),碳排放强度为0~0.45 t(/kW·a),这3种工艺相较于其他工艺运行费用和碳排放强度低。在高温采出液、油田伴生气和电力等条件均具备的条件下,应优先采用费用现值最低的高温采出液利用和水源热泵工艺,分别为1.20×10^(4) CNY/kW和1.29×10^(4) CNY/kW。在高温采出液和油田伴生气等条件不具备的条件下,优先采用LNG工艺和大型风机发电。与小型风机相比,大型风机发电经济效益更加明显,光伏发电经济效益介于大型风机和小型风机之间。在零碳油田建设中,应优先采用高温采出液利用和水源热泵工艺提供热力,采用大型风机或者光伏提供电力。
Oilfield enterprises are major energy consumers in the energy industry.Using clean energy to replace fossil fuels consumed in oil fields and reducing carbon emissions in oil fields can effectively help achieve China’s carbon peaking and carbon neutrality goals.Based on the characteristics of energy consumption structure and resource conditions in oil fields,the application conditions,construction investment,operating costs,and carbon emissions of clean alternative process for oil fields were analyzed,such as hightemperature produced fluid utilization,heat pump process,liquefied natural gas(LNG)process,solar energy utilization,and wind power generation,using different types of projects as examples.The results show that under the same energy consumption,the comprehensive cost per Kilowatt of the water source heat pump process is 0.17×10^(4) CNY/kW and LNG process is 0.40×10^(4) CNY/kW,both have lower construction investment compared to other processes.Wind power generation and photovoltaic power generation do not generate carbon emissions.The operating costs of solar thermal,photovoltaic,and wind power generation range from 0.018×10^(4) to 0.040×10^(4) CNY/(kW·a),with carbon emission intensity ranging from 0 to 0.45 t/(kW·a).The three processes have lower operating costs and carbon emission intensity compared to other processes.When conditions such as high-temperature produced liquid,oilfield associated gas,and electricity are available,priority should be given to using the high-temperature produced liquid utilization and water source heat pump process with the lowest present value of cost,which are 1.20×10^(4) CNY/kW and 1.29×10^(4) CNY/kW,respectively.When conditions such as hightemperature production fluid and oilfield associated gas are not available,priority should be given to using LNG process and large wind turbines for power generation.Compared with small wind turbines,the economic benefits of large wind turbines for power generation are more significant,while the economic benefits of photovoltaic
作者
曲虎
陆诗建
杨佳朋
宋义伟
刘静
QU Hu;LU Shijian;YANG Jiapeng;SONG Yiwei;LIU Jing(China Petroleum Engineering&Construction Corporation North China Company,Renqiu 062552,Hebei,China;Carbon Neutrality Institute,China University of Mining and Technology,Xuzhou 221116,Jiangsu,China)
出处
《低碳化学与化工》
CAS
北大核心
2024年第4期79-89,共11页
Low-Carbon Chemistry and Chemical Engineering
关键词
双碳目标
清洁能源
高温采出液
热泵
太阳能
carbon peaking and carbon neutrality goals
clean energy
high temperature produced fluid
heat pump
solar energy
