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Large-scale accumulation characteristic and distribution law of low porosity and permeability reservoir

Zhao Wenzhi,Wang Hongjun,Bian Congsheng,Wang Zecheng,Liu Guangdi

Strategic Study of CAE 2012, Volume 14, Issue 6,   Pages 31-39

Abstract:

Natural gas resource of low porosity and permeability reservoir is theaccumulation characteristics and distribution law of this type gas resource, and it is recognized that reservoir-formingThe distribution of low porosity and permeability gas reservoir is close to source , and reservoir combinationThe recognization of large scale gas accumulation of low porosity and permeability gas resources has

Keywords： low porosity and permeability reservoir     largescale gas accumulation     volume flow     diffusion flow     “pancake    

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

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 EWAccording to geological condition and numerical simulation of oil pool, the development effects of similar low-permeabilityDue to development of fractures in low-permeability, the stratum cracking pressure reduces, which isThe artificial fractures are controlled by the modern stress field and natural fractures in fractured low-permeabilityreservoir.

Keywords： fracture     low-permeability reservoir     development countermeasure    

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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: permeability Fuyu reservoir, and when apply the conventional vertical wells development technology inTo further improve its development effect and explore economic exploitation methods in low permeabilitypermeability reservoirs.Besides, using open-hole horizontal reservoir fracturing improvement can increase daily oil productionof single well, which has important significance to further improve development effect of low permeability

Keywords： low permeability     horizontal well     open hole completion     fracturing    

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Study of steam injection technology for low permeablehigh viscous light oil reservoir

Wang Lizhi,Wang Yunlong

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 88-94

Abstract: develop new technology and advanced approaches to reduce viscosity of crude oil reservoirs, increase permeabilityand improve flow rate of high viscous light oil reservoir, and then further improve recovery of blockBased on the formation nature characterized of high viscosity, low permeability, high clay content, andThe studies indicated suitable reservoir geological conditions for steam-flooding extraction of low permeablehigh viscous light oil reservoir.

Keywords： low permeability     high viscous light oil     steam-flooding extraction    

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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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The Pressure Sensitivity of Fractures and Its Development Significance for Extra Low-permeability Sandstone

Zeng Lianbo,Shi Chengen,Wang Yongkang,Li Shuheng,Wan Xiaolong,Cui Panfeng

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 35-38

Abstract: : justify;">In order to analyse the pressure sensitivity feature of high-dip fractures in the extra low-permeabilitymatrix sample,  bearing natural fracture sample and bearing artifieial fracture sample of extra low-permeabilityThe experiment results indicate quite obvious pressure sensitivity feature of fractures in the extra low-permeability The bigger the fracture aperture and permeability,  the stronger the pressure sensitivitynbsp;The pressure sensitivity of fractures is of great significance to the development of the extra low-permeability

Keywords： fracture     pressure sensitivity     extra low-permeability sandstone reservoir     Ordos basin    

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The present and future of low permeability oil and gas in China

Hu Wenrui

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 29-37

Abstract:

Low permeability oil and gas resource of China is abundant and has aGreat exploration discoveries in low permeability sandstone, marine carbonate and volcanic rock fieldswere acquired and top international matching development technology in low permeability was created.Scale effective development in low permeability oil and gas reservoir was achieved.Oil and gas production in low permeability reservoir increased continuously and the proportion in production

Keywords： low permeability     oil and gas     exploration and development     mainstream     present and future     technology    

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Advances in the technology of explosion in fracturesused in low permeability reservoirs

Li Decong,Chen Li,Lin Yingsong, Ding Yansheng

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 52-57

Abstract:

In this paper,the technical idea and the possible applications of this method were briefly introduced. Meanwhile, some related key technical problems were also particularly discussed. A series of research and corresponding advances achieved in recent years were reported in detail. In the end, some suggestion was made for further research.

Keywords： low permeability reservoirs     mechanics of explosion     explosion in fractures     security     simulation experiment    

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Theory and practice of integrated pillarless coal production and methane extraction in multiseams of lowpermeability

Yuan liang

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 72-80

Abstract: text-align: justify;">This thesis, based on innovations and practices of methane drainage in multiseams of lowpermeability and complicated geology in Huainan mining district, systematically describes theories andproduction and methane extraction with "Y"  type ventilation system in multiseams of lowpermeability.

Keywords： coal seams of low-permeability     integrated pillarless     retained roadway     methane     coal production and    

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Applications of NMR to Oil Well Logging and Formation Evaluation

Xiao Lizhi,Xie Ranhong

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 87-94

Abstract: The NMR information provides： 1,lithology-independent porosity; 2,clay bound water, capillary bound water, and free fluids; 3,permeability; 4,oil and gas in free fluids; 5,fluids NMR properties at down holeacute;s new publication, NMR logging principles are briefly introduced, applications case studies to porosity, permeability, and oil and water saturation are discussed in details.

Keywords： NMR     logging     formation evaluation     porosity     irreducible water     permeability    

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Conversion of polyethylene to gasoline: Influence of porosity and acidity of zeolites

Frontiers in Energy   Pages 763-774 doi: 10.1007/s11708-023-0897-1

Abstract: Zeolites are cheap and stable, but they are usually not efficient for plastic conversion at a low temperatureHerein a series of microporous and mesoporous zeolites were used to study the influence of porosity andThe effect of porosity and acidity on catalytic performance of zeolites was evaluated, which clearly

Keywords： plastics conversion     polyethylene     zeolites     acidity     porosity    

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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 isincreased water contained capabilities, eased the complexity contradiction between layers, and improved reservoircoefficient of water injection front drive and enhance oil recovery, improve development efficiency of ultra lowpermeability 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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A time−space porosity computational model for concrete under sulfate attack

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0985-7

Abstract: Nevertheless, little effort has been invested in exploring the temporal and spatial development of the porosityThis study proposes a mechanical–chemical model to simulate the spatiotemporal distribution of the porositycorrosion damage and cement hydration on the diffusion of sulfate ions, the expansion deformation and porosityThe proposed model can forecast and assess the porosity of concrete covers and provide a credible approach

Keywords： expansion deformation     porosity     internal expansion stress     external sulfate attack     mechanical–chemical    

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Tuning porosity of coal-derived activated carbons for CO2 adsorption

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1345-1354 doi: 10.1007/s11705-022-2155-1

Abstract: A simple method was developed to tune the porosity of coal-derived activated carbons, which providedii) an increase in micropore sizes is beneficial to improve the volumetric capacity, but may lead a lowCO2 adsorption density and thus low pore space utilization efficiency.

Keywords： coal-derived activated carbons     porosity     CO2 adsorption     molecular dynamics    

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Experimental studies on the influence of porosity on membrane absorption process

GAO Jian, REN Zhongqi, ZHANG Zeting, ZHANG Weidong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 385-389 doi: 10.1007/s11705-007-0070-0

Abstract: cylinder pore) and membrane thickness do not affect the membrane absorption process, and the membrane porosityHowever, the influence of porosity on the membrane absorption process became visible for fast mass transferThe results show that the influence of membrane porosity on mass transfer relates to flow condition,

Keywords： de-ionized     · L     different     membrane porosity     CO    

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Title Author Date Type Operation

Large-scale accumulation characteristic and distribution law of low porosity and permeability reservoir

Zhao Wenzhi,Wang Hongjun,Bian Congsheng,Wang Zecheng,Liu Guangdi

Journal Article

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

Zeng Lianbo,Liu Hongtao,Fang Baocai,Deng Haicheng

Journal Article

Barehole horizontal well fracturing technology and application for low permeable reservoir

Pan Yubing

Journal Article

Study of steam injection technology for low permeablehigh viscous light oil reservoir

Wang Lizhi,Wang Yunlong

Journal Article

Application of artificial fracturing for low permeable reservoir in Xianhe region

Xiao Shuming,Lv Zhiqiang,Guo Zhihua,Liu Xueqing

Journal Article

The Pressure Sensitivity of Fractures and Its Development Significance for Extra Low-permeability Sandstone

Zeng Lianbo,Shi Chengen,Wang Yongkang,Li Shuheng,Wan Xiaolong,Cui Panfeng

Journal Article

The present and future of low permeability oil and gas in China

Hu Wenrui

Journal Article

Advances in the technology of explosion in fracturesused in low permeability reservoirs

Li Decong,Chen Li,Lin Yingsong, Ding Yansheng

Journal Article

Theory and practice of integrated pillarless coal production and methane extraction in multiseams of lowpermeability

Yuan liang

Journal Article

Applications of NMR to Oil Well Logging and Formation Evaluation

Xiao Lizhi,Xie Ranhong

Journal Article

Conversion of polyethylene to gasoline: Influence of porosity and acidity of zeolites

Journal Article

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

Zhang Hongliang

Journal Article

A time−space porosity computational model for concrete under sulfate attack

Journal Article

Tuning porosity of coal-derived activated carbons for CO2 adsorption

Journal Article

Experimental studies on the influence of porosity on membrane absorption process

GAO Jian, REN Zhongqi, ZHANG Zeting, ZHANG Weidong

Journal Article