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Discussions and practice of pressurized water injection for ultra low permeability oilfield

Zhang Hongliang

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 62-64

Abstract:

Ultra low permeability formations in outer area of Daqing western iscoefficient of water injection front drive and enhance oil recovery, improve development efficiency of ultralow permeability reservoir,it provides a reference for development of ultra low permeability oilfield

Keywords： pressurized waterflood     passive microseismic     ultra low permeable oilfield     affected coefficient     effective    

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Application of microseismic mapping in the study of low permeable oilfield fracturing——taking the lowpermeability oilfield at Daqing Oilfield western periphery for example

Zhao Yuwu,Qu Yingxin, Xiong Wenping

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 34-39

Abstract: this paper analyzes results of application of microseismic monitoring on waterflood front at Daqing OilfieldField application asserts that microseismic monitoring has good prospects in fracturing studies of lowpermeable oilfield, and is great importance to improve recovery of low permeable oilfield.

Keywords： passive microseismic     fracture     waterflood front     waterflooding extraction    

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Impact of “ultra low emission” technology of coal-fired power on PM

Xiao LIU, Zhilin LIU, Weidong JIAO, Xuan LI, Jintai LIN, Anthony KU

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 235-239 doi: 10.1007/s11708-017-0518-y

Abstract: “Ultra-low emission” (ULE) technologies have the potential to dramatically reduce emissions from coal-fired

Keywords： air quality     atmospheric model     coal     Jing-Jin-Ji Region     PM2.5     ultra-low emissions    

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Practice on Ultra-low Emission and Energy Efficient Technologies in Coal-fired Power Plants

Yin-biao Chen,Yi Zhang,Wen Ling

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 377-383 doi: 10.15302/J-FEM-2016045

Abstract: , with Shenhua Guohua Sanhe as one of the pioneers, followed trend of this era and adopted multiple ultra-lowAs a result, coal-fired power plants have seen ultra-low emissions of air pollutants and record-highBy the end of 2015, Shenhua Group had had 45 ultra-low emission coal units, providing strong supportfor implementing of the national policy on ultra-low emission and energy efficient retrofit of coal-fired

Keywords： coal     power generation     ultra-low emission     energy efficiency    

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Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 127-132 doi: 10.1007/s11709-013-0200-3

Abstract: Prefabricated ultra-thin radiant heating panel, as a new heating terminal type, is becoming a highlight

Keywords： ultra-thin floor heating panel     the preheating time     thermal comfort     energy saving    

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Impact of “ultra low emission” technology of coal-fired power on PM

Xiao LIU, Zhilin LIU, Weidong JIAO, Xuan LI, Anthony KU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 564-564 doi: 10.1007/s11708-018-0551-5

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Barehole horizontal well fracturing technology and application for low permeable reservoir

Pan Yubing

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 70-73

Abstract: justify;">The non-producing reserves in Chaoyanggou and Changchunling blocks in outlying of Daqing Oilfieldbelong to low permeability Fuyu reservoir, and when apply the conventional vertical wells developmenttechnology in these areas, we get low single well productivity and poor development benefit.To further improve its development effect and explore economic exploitation methods in low permeabilitythat near-balance drilling and open hole completion technology can protect reservoirs effectively in low

Keywords： low permeability     horizontal well     open hole completion     fracturing    

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Numerical modeling and performance evaluation of passive convergence-permeable reactive barrier (PC-PRB

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1731-z

Abstract:

● A 2D finite-element solute transport model, PRB-Trans, is developed.

Keywords： Passive convergence-permeable reactive barrier     Numerical modeling     Hydraulic behavior assessment     Pollutant    

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Machine of testing the ceramic’s bending strength properties at high temperature and ultra-low

Jianhui ZHANG, Fang YE, Onuki AKIYOSHI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 289-293 doi: 10.1007/s11465-010-0094-x

Abstract: aerospace and deep-ocean exploration, the utilization of ceramic materials that work at normal temperature, lowtemperature, or even high temperature and bend at an ultra-low velocity is increasing; thus, the intensefor the machine of testing the ceramic’s bending strength properties at high temperature and ultra-lowtemperature with the lowest falling velocity of 0.05 mm/min, and manufactured a drive reducer for ultra-low

Keywords： piezoelectricity     value     pump     experiment     “     E”     -shaped value    

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Application of artificial fracturing for low permeable reservoir in Xianhe region

Xiao Shuming,Lv Zhiqiang,Guo Zhihua,Liu Xueqing

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 65-69

Abstract:

Aiming at the characteristics of low permeability and small porosityof high pressure low permeable reservoir, fracturing mapping was employed during transformation.performed successfully in Xianhe region, which offers great support for the increasing development of lowpermeable reservoir.

Keywords： fracturing mapping     low permeability     hydraulic fracturing    

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Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1591-y

Abstract:

● A novel PRB configuration based on passive convergent flow effect was proposed.

Keywords： Passive convergence-permeable reactive barrier (PC-PRB)     Permeable reactive barrier configuration     Numerical    

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The Study of Fractures and Their Development Countermeasures on Taizhao Low-permeability Reservoir inDaqing Oilfield

Zeng Lianbo,Liu Hongtao,Fang Baocai,Deng Haicheng

Strategic Study of CAE 2004, Volume 6, Issue 11,   Pages 73-79

Abstract:

The Putaohua reservoir in Taizhao area is the typical low-permeability reservoir which developed EW, SN, NW and NE tectonic fractures with high angles in the periphery of Daqing Oilfield.Due to development of fractures in low-permeability, the stratum cracking pressure reduces, which isTherefore, it is very important to control injecting pressure in the development of low-permesabilityThe artificial fractures are controlled by the modern stress field and natural fractures in fractured low-permeability

Keywords： fracture     low-permeability reservoir     development countermeasure    

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Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1462-1475 doi: 10.1007/s11709-020-0674-8

Abstract: of centrifuge experiments and numerical analyses on a 55° inclined unsaturated sandy slope with less permeableIt is observed that a less permeable, stronger silty sand layer in an otherwise homogeneous sandy soilThe factor of safety of a non-homogeneous, unsaturated soil slope decreases because of the less permeableIt decreases significantly if this less permeable, stronger soil layer is located near the toe of the

Keywords： non-homogeneous slope     stronger soil layer     factor of safety     centrifuge model test     unsaturated soils    

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Research Status and Trends of Ultra-Low-Head Water Resources and Hydro-Turbines

Zhang Yuquan,Zheng Yuan,Sun Ke,Yang Chunxia and Luo Hongying

Strategic Study of CAE 2018, Volume 20, Issue 3,   Pages 90-95 doi: 10.15302/J-SSCAE-2018.03.013

Abstract:

China is rich in hydropower resources, and hydropower technology development is the first choice to increase the supply of renewable energy, optimize the energy structure, and alleviate environmental problems. This paper focuses on rich microhead resources in China and presents the demand and application characteristics of microhead resources such as rivers, canals, reservoirs, power plant tailings, piped water supply, municipal wastewater, and marine energy. The paper summarizes two types of microhead hydro-turbines suitable for open and closed watersheds, which provide a basis for the design method of microhead hydro-turbines and the study of their flow characteristics and mechanism. This paper introduces the research trend of microhead resource evaluation and hydropower turbines. In addition, some suggestions for future research are put forward.

Keywords： ultra-low-head water resources     hydro-turbines     open watershed     closed watershed    

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A State-of-the-Art Review on the Functionality of Ultra-Thin Overlays towards a Future Low Carbon Road Review

Meng Guo, Rui Zhang, Xiuli Du, Pengfei Liu,

Engineering 2024, Volume 32, Issue 1,   Pages 83-99 doi: 10.1016/j.eng.2023.03.020

Abstract: Ultra-thin overlay is one of the most commonly used maintenance technologies, which can significantlyTo promote the low-carbon development of ultra-thin overlays, this paper mainly studied the mechanismand influencing factors of several ultra-thin overlay functions.Basalt fiber improved the cracking resistance of ultra-thin overlay by more than 20%.of future multi-functional and low-carbon road maintenance.

Keywords： Road maintenance     Ultra-thin overlay     Snow melting and deicing     Exhaust gas purification     Pavement cooling     Low-carbon    

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Title Author Date Type Operation

Discussions and practice of pressurized water injection for ultra low permeability oilfield

Zhang Hongliang

Journal Article

Application of microseismic mapping in the study of low permeable oilfield fracturing——taking the lowpermeability oilfield at Daqing Oilfield western periphery for example

Zhao Yuwu,Qu Yingxin, Xiong Wenping

Journal Article

Impact of “ultra low emission” technology of coal-fired power on PM

Xiao LIU, Zhilin LIU, Weidong JIAO, Xuan LI, Jintai LIN, Anthony KU

Journal Article

Practice on Ultra-low Emission and Energy Efficient Technologies in Coal-fired Power Plants

Yin-biao Chen,Yi Zhang,Wen Ling

Journal Article

Operating characteristic analysis on the ultra-thin low temperature floor-heating system

Hualing ZHANG, Xiaopeng SONG

Journal Article

Impact of “ultra low emission” technology of coal-fired power on PM

Xiao LIU, Zhilin LIU, Weidong JIAO, Xuan LI, Anthony KU

Journal Article

Barehole horizontal well fracturing technology and application for low permeable reservoir

Pan Yubing

Journal Article

Numerical modeling and performance evaluation of passive convergence-permeable reactive barrier (PC-PRB

Journal Article

Machine of testing the ceramic’s bending strength properties at high temperature and ultra-low

Jianhui ZHANG, Fang YE, Onuki AKIYOSHI,

Journal Article

Application of artificial fracturing for low permeable reservoir in Xianhe region

Xiao Shuming,Lv Zhiqiang,Guo Zhihua,Liu Xueqing

Journal Article

Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Journal Article

The Study of Fractures and Their Development Countermeasures on Taizhao Low-permeability Reservoir inDaqing Oilfield

Zeng Lianbo,Liu Hongtao,Fang Baocai,Deng Haicheng

Journal Article

Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Journal Article

Research Status and Trends of Ultra-Low-Head Water Resources and Hydro-Turbines

Zhang Yuquan,Zheng Yuan,Sun Ke,Yang Chunxia and Luo Hongying

Journal Article

A State-of-the-Art Review on the Functionality of Ultra-Thin Overlays towards a Future Low Carbon Road

Meng Guo, Rui Zhang, Xiuli Du, Pengfei Liu,

Journal Article