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A Storage-Driven CO_(2) EOR for a Net-Zero Emission Target

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Engineering 2022年第11期18卷 79-87页

作者： Yueliang Liu zhenhua rui State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing)Beijing 102249China College of Petroleum Engineering China University of Petroleum(Beijing)Beijing 102249China College of Carbon Neutrality Future Technology China University of Petroleum(Beijing)Beijing 102249China Petroleum School China University of Petroleum-Beijing at KaramayKaramay 834000China

Stabilizing global climate change to within 1.5℃requires a reduction in greenhouse gas emissions,with a primary focus on carbon dioxide(CO_(2))***_(2)flooding in oilfields has recently been recognized as an important way to reduce CO_(2)emissions by storing CO_(2)in oil *** work proposes an advanced CO_(2)enhanced oil recovery(EOR)method-namely,storage-driven CO_(2)EOR-whose main target is to realize net-zero or even negative CO_(2)emissions by sequestrating the maximum possible amount of CO_(2)in oil reservoirs while accomplishing the maximum possible oil ***,dimethyl ether(DME)is employed as an efficient agent in assisting conventional CO_(2)EOR for oil recovery while enhancing CO_(2)sequestration in *** results show that DME improves the solubility of CO_(2)in in situ oil,which is beneficial for the solubility trapping of CO_(2)storage;furthermore,the presence of DME inhibits the"escape"of lighter hydrocarbons from crude oil due to the CO_(2)extraction effect,which is critical for sustainable oil *** rage-driven CO_(2)EOR is superior to conventional CO_(2)EOR in improving sweeping efficiency,especially during the late oil production *** work demonstrates that storage-driven CO_(2)EOR exhibits higher oil-in-place(OIP)recovery than conventional CO_(2)***,the amount of sequestrated CO_(2)in storage-driven CO_(2)EOR exceeds the amount of emissions from burning the produced oil;that is,the sequestrated CO_(2)offsets not only current emissions but also past CO_(2)*** altering developing scenarios,such as water alternating storage-driven CO_(2)EOR,more CO_(2)sequestration and higher oil recovery can be *** work demonstrates the potential utilization of DME as an efficient additive to CO_(2)for enhancing oil recovery while improving CO_(2)storage in oil reservoirs.

关键词： CO_(2)EOR Net CO_(2)emissions Dimethyl ether Storage-driven CO_(2)EOR CO_(2)sequestration

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地热储能技术研究进展及未来展望

石油科学通报 2024年第2期9卷 260-281页

作者：芮振华刘月亮张政李根生中国石油大学(北京)油气资源与探测国家重点实验室北京102249 中国石油大学(北京)石油工程学院北京102249 中国石油大学(北京)碳中和未来技术学院北京102249 中国石油大学(北京)克拉玛依校区克拉玛依834000

地热储能技术是以地下流体为热载体,利用地下多孔介质空间存储能量,在必要时将其采至地面进行综合利用的一类技术。该技术从20世纪六十年代至今不断发展,针对不同行业的取能及减排需求,形成了基于不同热载体、不同规模、不同储能方式的... 详细信息

地热储能技术是以地下流体为热载体,利用地下多孔介质空间存储能量,在必要时将其采至地面进行综合利用的一类技术。该技术从20世纪六十年代至今不断发展,针对不同行业的取能及减排需求,形成了基于不同热载体、不同规模、不同储能方式的技术体系,在技术创新过程中,在地热储能理念上实现了从“地球电池”的单一储能形式向“地球充电/热宝”多能互补储/供能系统的转变,充分利用地热储能技术“规模大、应用广、跨季节以及成本低”的特点,具有储热空间大、热利用效率高、安全性好以及绿色低碳等优点,目前全球范围内已经有多个项目试验了工业余热以及可再生能源的地热化存储并取得了良好的效果,展现了较好的技术实用性和广阔的发展空间。对能源的稳定供应和高效利用意义重大。地热储能与热提取的主要机理有热传导、对流换热、热弥散、热虹吸效应以及物理化学作用等,同时通过流体与岩石之间的热—流—固耦合作用实现能量在地下的储存、传递与转换,因此地热储能的效果取决于流体—岩石相互作用以及地热储能的方式等,且储热层内流体类型越多,所涉及到的机理越复杂。本文首先阐述了地热储能技术在国内外的发展历程,归纳总结了地热储能过程中基于流体—岩石相互作用的传热与储能机理,在总结前人工作的基础上对地热储层过程中储热层选址、含水层深度选取以及储能载体选择等关键技术难题及其研究现状进行了分析,同时对全球范围内主要的地热储能项目概况及运营现状进行了梳理和总结。研究认为,储热层的孔隙度、渗透率、厚度、各向异性及非均质性等参数对其储热效率及规模有较大影响,在选址过程中应当综合考虑储热层性质、热载体性质以及与地面热源的匹配程度。在此基础上,本文对地热储能技术的应用前景进行了展望,同时从储热机理上指出了该技术可能面临的一系列挑战,认为未来地热储能技术的研究突破点在于与碳捕集、利用与封存技术以及风、光、电等可持续能源的联合存储与利用,寻找隔热性能好的地下空间,研发和利用高性能的热能载体以及防堵塞与腐蚀技术的攻关等。作为对现有能源体系的进一步高效利用方式以及有益补充,地热储能以其在削峰填谷、节能减排以及能源综合利用等方面的独特优势,具有巨大的潜在资源量与市场潜力,是未来低碳地质能源发展方向。

关键词：地热储能储热层选址含水层热能载体 CO_(2)封存

Editorial for the Special Issue on Unconventional and Intelligent Oil and Gas Engineering

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Engineering 2022年第11期18卷 1-2页

作者： Gensheng Li Jinsheng Sun Zhangxin Chen zhenhua rui State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing)Beijing 102249China School of Petroleum Engineering China University of Petroleum(East China)Qingdao 266580China China National Petroleum Corporation Beijing 100007China Department of Chemical and Petroleum Engineering University of CalgaryCalgaryAB T2N 1N4Canada

A key global challenge in the 21st century is how to secure sustainable access to energy for a growing global population—set to reach 10 billion by 2035—while coping with the threat of dangerous climate *** oil and gas industry will still play an essential role in the energy transition by providing affordable and reliable energy to improve living ***,producing this energy with decreasing emissions supports a net-zero world.

关键词： global dangerous providing

Investigation on combustion and emission characteristics of diesel polyoxymethylene dimethyl ethers blend fuels with exhaust gas recirculation and double injection strategy

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第4期11卷 614-630页

作者： Xin Su rui Su Nan Gao Hao Chen zhenhua Ji Hongming Xu Biao Wang Shaanxi Key Laboratory of New Transportation Energy and Automotive Energy Saving Chang'an UniversityXi'an 710064China School of Vechicle Engineering Xi'an Aeronautical UniversityXi'an 710077China Department of Mechanical Engineering University of BirminghamBirmingham B152TTUK

As a kind of renewable and high oxygen content fuel,polyoxymethylene dimethyl ether(PODE)can be added in diesel to realize energy saving and emissions *** evaluate the combustion and emission characteristics of a diesel engine fueled with diesel and diesel/PODE mixtures,exhaust gas recirculation(EGR)and main-pilot injection strategies with various injection timings were *** was blended with diesel by volume to form mixtures which were marked as D100(pure diesel),D90P10(90%diesel+10%PODE),and D80P20(80%diesel+20%PODE).The results showed that the ignition delay(ID)and combustion duration(CD)of D80P20 were the shortest because of the highest cetane number(CN)and high oxygen content of PODE,indicating more concentrated heat *** low and medium loads,D80P20 achieved the highest peak heat release ratio(PHRR)and peak combustion temperature(PCT)among the three fuels,and it was 14.3%and 3.6%higher than those of *** blending with diesel can significantly reduce particulate matter(PM)and D80P20 has the lowest PM emissions at all *** with D100,both PM and nitrogen oxide(NO_(x))emissions of PODE blends decreased simultaneously with 20%EGR at all *** the increase of pilot-main interval,the ID and CD of all test fuels increased,while the NO_(x)and PM emissions *** conclusions of the present research provide a state of the application in light-duty engines fueled with diesel/PODE blends in future work.

关键词： Polyoxymethylene dimethyl ethers Diesel engine NOx Particulate number Pilot plus main injections

低渗透致密砂岩储层成藏期油气运移的动力分析

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中国石油大学学报（自然科学版） 2012年第4期36卷 32-38页

作者：张凤奇王震亮武富礼高兴军罗然昊 rui zhenhua 西安石油大学地球科学与工程学院陕西西安710065 西北大学地质学系陕西西安710069 陕西延长石油集团有限责任公司陕西西安710075 美国独立项目分析公司维吉尼亚州阿什伯恩20147

通过恢复库车坳陷克拉苏构造带深层和鄂尔多斯盆地伊陕斜坡延长组主要成藏期的过剩压力,结合对研究区低渗透储层的物性演化历史分析,对低渗透致密砂岩储层运移过程中油气可能的动力条件进行评价。结果表明:低渗透致密砂岩储层中油气运... 详细信息

通过恢复库车坳陷克拉苏构造带深层和鄂尔多斯盆地伊陕斜坡延长组主要成藏期的过剩压力,结合对研究区低渗透储层的物性演化历史分析,对低渗透致密砂岩储层运移过程中油气可能的动力条件进行评价。结果表明:低渗透致密砂岩储层中油气运移的主要动力具有多样性;库车坳陷克拉苏构造带深层在天然气的成藏时期储层已经致密,天然气运移的主要动力为快速沉积、生烃、构造挤压等多因素作用形成的异常高压;鄂尔多斯盆地伊陕斜坡延长组在早、中期油充注时储层尚未致密,在浮力作用下发生侧向运移,晚期油充注时储层已经致密,油利用先前与油长期接触而具亲油性的残留路径沿优势输导通道侧向运移,毛细管力为主要动力,储层间的过剩压力差也起一定作用,是多期次多动力联合作用的结果。

关键词：低渗透致密砂岩主要成藏期储层致密史油气运移流体动力分析鄂尔多斯盆地库车坳陷

我国高校内部纠纷解决机制的构成、局限及其克服

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东方法学 2020年第5期 131-139页

作者：芮振华东南大学法学院

我国教育法治进程不断推进,无论是高校自身还是国家机关都建立了相应的机构和制度来解决高等教育领域的纠纷。这些机制中最为典型的主要包括教育申诉制度、教育调解制度、教育仲裁制度和教育诉讼制度等。这些制度在实际运行中主要存在... 详细信息

我国教育法治进程不断推进,无论是高校自身还是国家机关都建立了相应的机构和制度来解决高等教育领域的纠纷。这些机制中最为典型的主要包括教育申诉制度、教育调解制度、教育仲裁制度和教育诉讼制度等。这些制度在实际运行中主要存在重点不突出、内部救济渠道不畅通、部分救济制度之间出现功能重合以及诉讼救济标准不明确等问题。针对这些问题,应当提升学生权利观念、完善申诉制度的主导地位、建立不同救济形式之间的衔接与协调、完善相关法律规范等措施来实现高校内部纠纷多元化解决机制的有效运行。

关键词：纠纷解决机制高等教育学生管理救济制度学生权利申诉制度

An Integrated Framework for Geothermal Energy Storage with CO_(2)Sequestration and Utilization

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Engineering 2023年第11期30卷 121-130页

作者： Yueliang Liu Ting Hu zhenhua rui Zheng Zhang Kai Du Tao Yang Birol Dindoruk Erling Halfdan Stenby Farshid Torabi Andrey Afanasyev State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing)Beijing 102249China School of Petroleum Engineering China University of Petroleum(Beijing)Beijing 102249China College of Carbon Neutrality Future Technology China University of Petroleum(Beijing)Beijing 102249China Equinor ASA Stavanger 4035Norway Department of Petroleum Engineering Cullen College of EngineeringUniversity of HoustonHoustonTX 77204USA Center for Energy and Resources Engineering Department of ChemistryTechnical University of DenmarkKongens Lyngby 2800Denmark Petroleum Systems Engineering University of ReginaReginaSK S4S 0A2Canada Institute of Mechanics Moscow State UniversityMoscow 119192Russia

Subsurface geothermal energy storage has greater potential than other energy storage strategies in terms of capacity scale and time *** dioxide(CO_(2))is regarded as a potential medium for energy storage due to its superior thermal ***,the use of CO_(2)plumes for geothermal energy storage mitigates the greenhouse effect by storing CO_(2)in geological *** this work,an integrated framework is proposed for synergistic geothermal energy storage and CO_(2)sequestration and *** this framework,CO_(2)is first injected into geothermal layers for energy *** resultant high-energy CO_(2)is then introduced into a target oil reservoir for CO_(2)utilization and geothermal energy *** a result,CO_(2)is sequestrated in the geological oil reservoir *** results show that,as high-energy CO_(2)is injected,the average temperature of the whole target reservoir is greatly *** the assistance of geothermal energy,the geological utilization efficiency of CO_(2)is higher,resulting in a 10.1%increase in oil displacement *** to a storage-potential assessment of the simulated CO_(2)site,110 years after the CO_(2)injection,the utilization efficiency of the geological body will be as high as 91.2%,and the final injection quantity of the CO_(2)in the site will be as high as 9.529×10^(8)*** 1000 years sequestration,the supercritical phase dominates in CO_(2)sequestration,followed by the liquid phase and then the mineralized *** addition,CO_(2)sequestration accounting for dissolution trapping increases significantly due to the presence of residual *** importantly,CO_(2)exhibits excellent performance in storing geothermal energy on a large scale;for example,the total energy stored in the studied geological body can provide the yearly energy supply for over 3.5×10^(7) normal *** of this integrated approach holds great significance for large-scale geothermal energy storage

关键词： Geothermal energy storage CO_(2)sequestration Carbon neutrality Large-scale CO_(2)utilization

The Method of Obtaining Permeability in Compact Sandstone Reservoir: Case in Dongpu Depressed

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The Method of Obtaining Permeability in Compact Sandstone Re...

Strong and tough chitin hydrogel constructed by dehydration and rehydration strategy

中国地球物理学会第二十九届年会

作者： Chuan Lu Wenzheng Yue Lingfen Sun zhenhua rui State Key Laboratory of Petroleum Resources and Prospecting Geophysical Wireline Logging Company Zhongyuan Petroleum Exploration BureauSINOPEC

＜正＞The work area studies in this abstract belongs to one in the middle of the block of oil field development, the geologic structure are complex, the sands are well developed with a stable distribution, the longitudinal property differences, the serious heterogeneity, permeability variation coefficient, it’s difficult to calculate the permeability accurately. First,

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Nano Research 2024年第9期17卷 8192-8199页

作者： rui-rui Liu Li-Bo Mao Shu-Hong Yu Division of Nanomaterials and Chemistry Hefei National Research Center for Physical Sciences at the MicroscaleDepartment of ChemistryInstitute of Biomimetic Materials and ChemistryAnhui Engineering Laboratory of Biomimetic MaterialsUniversity of Science and Technology of ChinaHefei 230026China Institute of Innovative Materials Department of Materials Science and EngineeringDepartment of ChemistrySouthern University of Science and TechnologyShenzhen 518055China

As a renewable,biocompatible,biodegradable soft material,chitin hydrogels have better advantages in stability,antibacterial activity,antifouling,cost,immunogenicity,and so on than most polymer ***,compared with other widely used polymer hydrogels with high strength and toughness,the practical applications of chitin-based hydrogels have been limited by their weak mechanical properties,such as cartilage repair and meniscus ***,we present the design and fabrication of chitin hydrogels with excellent mechanical strength and toughness by a dehydration and rehydration *** sequential dehydration and rehydration processes,the crystalline domains in the chitin hydrogels can be properly *** optimized crystallinity,the elastic modulus of the chitin hydrogels exceeds all previously reported values,and the fracture toughness is even comparable to some synthetic polymer hydrogels,while maintaining a high-water-content of about 80 wt.%.At the same water content,the mechanical properties of the chitin hydrogels are positively correlated with the hydrogel crystallinity,which proves that the change of mechanical properties of hydrogels is not simply dependent on weight *** hydrogels can be further strengthened by incorporating other biopolymers that are intrinsically weak,which makes the hydrogels promising for applications in fields such as cartilage repair and meniscus ***,the hydrogels enable loading and release of water-soluble and poorly water-soluble *** highly extendable strengthening and toughening strategy of chitin and chitin-based biopolymer hydrogels paves the way for their widely applications.

关键词： chitin hydrogel crystallinity rehydration chemical transformation strong and tough