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The Types and Mechanisms of Shahe Street Reservoir Damage in KL10-1 Oilfield KL10-1油田沙河街油层损害类型及机理
Frontiers in Power and Energy Systems Pub Date : 2023-01-01 DOI: 10.23977/fpes.2023.020103
{"title":"The Types and Mechanisms of Shahe Street Reservoir Damage in KL10-1 Oilfield","authors":"","doi":"10.23977/fpes.2023.020103","DOIUrl":"https://doi.org/10.23977/fpes.2023.020103","url":null,"abstract":"From 2016 to 2022, the productivity recovery rate of oil well in KL10-1 oilfield continued to decline after the workover operation, and the complex treatment situations increased continuously which caused by the high temperature and corrosion issues since 2018, that multiple wells had been scaling in the downhole central tube, which resulted in extended downtime, annual total production decline of single well and high costs. Through the analysis of reservoir properties, subsurface fluid properties, and rock surface physical chemical characteristics, the article finds that the wells with productivity recovery rate are mainly concentrated in the Es formation which has low-to-moderate permeability and high wax content. The reason is that the inherent potential damage factors of the formation are induced by various external conditions, such as water lock damage and inorganic scale accompany the whole development and production process of the oilfield, as well as wax deposition in the low-to-moderate water cut stage are the main risk factors that cause the absolute permeability or relative permeability of the reservoir decrease significantly, and the oil well production decline.","PeriodicalId":474807,"journal":{"name":"Frontiers in Power and Energy Systems","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135502338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the Current Development of Tidal Energy Turbines with Bionic Blades 仿生叶片潮汐能涡轮机的发展现状分析
Frontiers in Power and Energy Systems Pub Date : 2023-01-01 DOI: 10.23977/fpes.2023.020101
{"title":"Analysis of the Current Development of Tidal Energy Turbines with Bionic Blades","authors":"","doi":"10.23977/fpes.2023.020101","DOIUrl":"https://doi.org/10.23977/fpes.2023.020101","url":null,"abstract":"Tidal energy is mainly used to generate electricity, and the principle is that the turbine blades rotate under the impact of the tide, which in turn generates electricity. The blade is the core component of a tidal turbine and determines the efficiency of tidal energy capture. In order to make tidal turbines more efficient, researchers have focused on the design of the blade. With the rise of bionics in recent years, the design of bionic blades has become a hot topic of interest for many researchers. This paper briefly describes the development status of tidal turbines and the development status of tidal turbines with bionic blades, summarises the problems that exist in the development of tidal turbines with bionic blades, and puts forward suggestions for the current situation.","PeriodicalId":474807,"journal":{"name":"Frontiers in Power and Energy Systems","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135500758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fault diagnosis of thermal instruments and its preventive strategies 热工仪表故障诊断及预防策略
Frontiers in Power and Energy Systems Pub Date : 2023-01-01 DOI: 10.23977/fpes.2023.020104
{"title":"Fault diagnosis of thermal instruments and its preventive strategies","authors":"","doi":"10.23977/fpes.2023.020104","DOIUrl":"https://doi.org/10.23977/fpes.2023.020104","url":null,"abstract":"If the thermal instrument fails in use, it will not only affect the safety of power operation, but also hinder the implementation of related functions of the instrument. In modern manufacturing industry, the mode of production by experience is replaced by the mode of ensuring production process parameters with advanced instruments, so that the quality and consistency of products themselves are well guaranteed. The control of thermal instruments is the main difficulty in the work of thermal power plants. The focus of the maintenance and repair department of power plants lies in the control and repair of the liquid level control system. By controlling the opening of the outlet or inlet valves, the change of water flow is realized, but the control of water temperature needs to be based on the adjustment of heating power. In this paper, the fault diagnosis and preventive strategies of thermal instruments are analyzed and discussed, and the corresponding maintenance measures are given, hoping to help front-line staff.","PeriodicalId":474807,"journal":{"name":"Frontiers in Power and Energy Systems","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135106700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research Progress on Desalination Technology Based on Ocean Energy 基于海洋能的海水淡化技术研究进展
Frontiers in Power and Energy Systems Pub Date : 2023-01-01 DOI: 10.23977/fpes.2023.020102
{"title":"Research Progress on Desalination Technology Based on Ocean Energy","authors":"","doi":"10.23977/fpes.2023.020102","DOIUrl":"https://doi.org/10.23977/fpes.2023.020102","url":null,"abstract":"The shortage of fresh water resources has become a hot topic of concern for mankind, and the demand for fresh water is not only reflected in residential drinking, but the demand for fresh water in other areas is also increasing. Desalination technology is currently an effective way of reducing the burden on fresh water, which accounts for only 3% of the total water system. And conventional energy sources are being depleted at an alarming rate, creating a need to encourage the use of non-conventional energy sources, which are inexhaustible, environmentally friendly and help to reduce carbon emissions, and which can address the energy shortage in developing countries and countries with abundant renewable energy sources but lacking clean water. This paper provides an overview of desalination technologies for various renewable marine energy sources, such as solar, wind, wave and tidal energy, analyses the dilemmas faced by desalination of various marine energy sources, and gives recommendations based on the current state of development.","PeriodicalId":474807,"journal":{"name":"Frontiers in Power and Energy Systems","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135500746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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