检索结果-南通市图书馆

Study of the Transport Behavior of Multispherical Proppant in Intersecting Fracture Based on Discrete Element Method

引用

energy Engineering 2025年第1期122卷 185-201页

作者： Chengyong Peng JianshuWu Mao Jiang Biao Yin Yishan Lou cnooc Research institute Company Limited Beijing100028China School of Petroleum Engineering Yangtze UniversityWuhan430100China Hubei Key Laboratory of Oil and Gas Drilling and Production Engineering(Yangtze University) Wuhan430100China

To analyze the differences in the transport and distribution of different types of proppants and to address issues such as the short effective support of proppant and poor placement in hydraulically intersecting fractures,this study considered the combined impact of geological-engineering factors on *** reservoir production parameters and the discrete elementmethod,multispherical proppants were ***,a 3D fracture model,based on the specified conditions of the L block,employed coupled(Computational Fluid Dynamics)CFD-DEM(Discrete ElementMethod)for joint simulations to quantitatively analyze the transport and placement patterns of multispherical proppants in intersecting *** indicate that turbulent kinetic energy is an intrinsic factor affecting proppant ***,the efficiency of placement and migration distance of low-sphericity quartz sand constructed by the DEM in the main fracture are significantly reduced compared to spherical ceramic proppants,with a 27.7%decrease in the volume fraction of the fracture surface,subsequently affecting the placement concentration and damaging fracture *** to small-angle fractures,controlling artificial and natural fractures to expand at angles of 45°to 60°increases the effective support length by approximately 20.6%.During hydraulic fracturing of gas wells,ensuring the fracture support area and post-closure conductivity can be achieved by controlling the sphericity of proppants and adjusting the perforation direction to control the direction of artificial fractures.

关键词： Hydraulic fracturing discrete element method proppant sphericity CFD-DEM

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Analysis of Innovative Factors in the *** Oil and Gas Revolution and Enlightenment for China

引用

China Oil & Gas 2024年第1期31卷 46-51页

作者： Bao Chunli Hao Hongna Zhou Yuanyuan Xia Yuhan cnooc energy economics institute

The shale oil and gas revolution is one of the best examples of *** and technological innovation and innovation in management and business models have collectively facilitated the development of shale oil and *** them,theoretical innovation is the foundation,technological innovation is the most important driving force and innovation in management and business models is a powerful guarantee for promoting the scale development of shale oil and *** reveals that the longterm investment by the *** in basic research,along with corresponding fiscal and tax policy guarantees,a highly competitive free market mechanism,and a system of professional collaborative division of labor,have laid a solid foundation for innovation in the *** oil and gas *** recognizing the positive and proactive role of innovation in the shale oil and gas revolution,it is also important to deeply understand the differences that China faces in the exploration of shale oil and gas,in terms of geological resources and policy *** is recommended to enhance the integration of industry,university and research to lay out innovation,strengthen policy support,innovate business models,and pay attention to the development of digitalization and intelligence.

关键词： shale policy collective

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Analysis of Offshore Wind Power Industrial Policy in China

引用

China Oil & Gas 2023年第2期30卷 34-40页

作者： Li Nan Wang Zhen Wang Meng Jing Yanni Ouyang Yan cnooc energy economics institute

After more than ten years,offshore wind power industry in China has got into a new stage of high-quality *** economy has gradually improved to be affordable,floating wind power has been in the stage of engineering,and integrated development innovation has been *** policy system of offshore wind power has gradually been established and improved.A series of measures work together to promote the industrial clusters and guide the persistent and healthy *** current policy framework was sorted in this *** national and local government policy guidance was analyzed from the aspects of development planning,resource allocation,enterprise support,scientific research support,power system,financial services,*** at the problems of industrial layout,organization mode,integration of industry and finance faced,policy suggestions were proposed,i.e.,planning as a whole to the sites and industrial layout as well as corresponding policies,promoting the integration and coordination of the floating offshore wind industrial chain,and strengthening the guidance and innovation support of green finance.

关键词： finance policy offshore

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Practices and Reflections of cnooc on Building World-Class Enterprises

引用

China Oil & Gas 2024年第2期31卷 38-51页

作者： Wu Rihan He Xu Li Shuai Yang Xueqin Wei Yujing Zhang Yuqi cnooc energy economics institute

At present,China is facing new strategic opportunities as well as risks and challenges in its *** with the challenges brought by current global major risks,China urgently needs to build a group of world-class enterprises as ballast *** the development of a number of world-class enterprises is an important support for China to enhance its comprehensive strength and international competitiveness,and is crucial for the realization of the strategic blueprint for socialist *** more than forty years of reform and opening up,Chinese enterprises have rapidly developed and grown stronger,with their position rising and their influence in the global market increasing ***,Chinese enterprises are“large in size but not yet strong enough”.In this context,this paper systematically analyzes the practical significance and theoretical connotation of building world-class enterprises and the status quo of building world-class enterprises in China and takes cnooc as an example to deeply analyze the practices of large central enterprises to build world-class enterprises at the levels of group and subsidiaries,providing a reference for Chinese enterprises to accelerate their progress towards world-class enterprises.

关键词： enterprises realization strategic

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Impact of the Goal of Carbon Neutrality on China’s energy Sector

引用

China Oil & Gas 2021年第1期28卷 14-21页

作者： Wang Zhen He Xu Cui Xin cnooc energy economics institute

“Peaking carbon dioxide emissions and achieving carbon neutrality”are China’s solemn commitments in the process of global greenhouse gas emission *** reviewing the background of“peaking carbon dioxide emissions and achieving carbon neutrality”,this paper analyzes the impacts of the goal on China’s energy sector,which are mainly reflected in four aspects:(1)accelerating the adjustment of China’s energy structure;(2)pushing further improvement of the energy technology innovation system;(3)accelerating the institutional reform in the energy sector;(4)accelerating the high-quality development of China’s traditional energy sector.

关键词： dioxide Impact neutral

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Opening-up of the Oil Industry and Transition to Green energy under the Goal of Carbon Neutrality

引用

China Oil & Gas 2021年第6期28卷 3-8页

作者： Wang Zhen Ma Jie cnooc energy economics institute

Transition to green and low-carbon energy has become a general trend of global *** energy transition mainly characterized by“cleanliness and low-carbon+electrification”will continue to lead a new round of industrial *** energy industry is developing rapidly to be clean,low-carbon,efficient,and *** energy will gradually become a new driving force for economic *** oil and gas industry will be subjected to more pressure from public opinions,stricter regulatory oversight,and greater cost *** the“carbon neutral era”,fossil energy will gradually become“supplementary and backup energy”rather than“primary energy”.The oil industry will be restructured and reorganized more quickly throughout the industrial chain.

关键词： Transition driving industry

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Research on Improving energy Consumption Management Strategies

引用

China Oil & Gas 2024年第4期31卷 50-56页

作者： Ma Jie cnooc energy economics institute

The deduction of energy consumption for raw materials and non-fossil energy in the calculation of energy intensity involves a simple change that will have direct and profound *** paper reviews the historical context and current status of China’s energy intensity control strategies,dissects the rationale for recent adjustments in energy intensity calculation methodologies,and examines policy changes from the perspectives of actively responding to internal and external challenges to promote energy transition,coordinating development and emissions reduction based on China’s energy resource endowment,and transforming energy intensity control as a driving force for accelerating the development of strategic emerging industries and high-quality growth.

关键词： driving policy rational

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Discussion on the Support of the Development of Critical Marine Mineral Resources for energy Transition(Ⅰ)

引用

China Oil & Gas 2022年第6期29卷 3-8页

作者： Wang Zhen Li Nan Cong Wei cnooc energy economics institute

As national security and economic operation are increasingly dependent on mineral resources,global supply risks and price fluctuations of mineral resources have intensified international *** development of clean energy requires a variety of minerals with a large *** minerals have become constraint factors in energy transition,and the energy-minerals relationship has become the focus of attention for industry institutions and research *** the context of enhanced vulnerability of the global mineral resource supply chain,insufficient domestic resource reserves and high external dependence,critical deep-sea mineral resources are expected to become important supply *** on the analysis of the domestic and foreign supply and demand situation of minerals needed for the development of clean energy,this paper discusses how the development of critical deep-sea minerals can effectively support the energy transition in terms of resource potential,development status and domestic deep-sea mining development *** suggests that the development of marine mineral resources to facilitate energy transition is a feasible but long and bumpy *** is urgent to promote the commercialization of marine mineral resource development by studying the clean energy-minerals coupling relationship,improving the standardization of management,deepening scientific and technological innovation and opening up to and cooperation with the outside world.

关键词： Transition Marine deepening

来源：

维普期刊数据库

同方期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

China’s Oil Market Review and Outlook

引用

China Oil & Gas 2023年第2期30卷 41-48页

作者： Li Ran Hu Yue Zhang Haoxu cnooc energy economics institute

In 2022,facing the changing international oil market,China’s oil industry maintained production,ensured supply,and stabilized prices,contributing to national oil *** oil production increased for four consecutive years,while external crude oil dependence declined for two consecutive *** by internal and external factors,supply and demand are weak in the refined oil market,with increased *** refined oil production and demand fell by 7.7%*** response to this impact,industry participants have controlled production pace and adjusted product structures to ensure stable industrial operation.

关键词： Market refined Outlook

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Research on Carbon Assets Management of energy Group

引用

China Oil & Gas 2023年第2期30卷 28-33页

作者： Xing Yue He Xi Sun Wenjuan cnooc energy economics institute

Nowadays,the carbon markets in the world have increasingly matured and carbon trading have flourished in *** the framework of carbon trading,the carbon emission right has become a tradable special commodity,and it has financial feature and asset *** on the business entities,carbon assets management joins up the virtual carbon emission right,financial capital and real economy,restructures existing carbon resources of enterprises and impacts the current international economic *** present,however,the carbon assets management systems and market rules of our country remains to be *** to increase the efficiency of carbon asset management,how to further improve the carbon management,how to further improve the carbon asset management method and mechanism have become the common issue of China’s academia and practice.

关键词： trading assets commodity

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：