Wetting Front Instability in an Oil-water System PDF Download
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Author: David Glenn Chandler
Publisher:
ISBN:
Category :
Languages : en
Pages : 170
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Book Description
Author: David Glenn Chandler
Publisher:
ISBN:
Category :
Languages : en
Pages : 170
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Book Description
Author: Blake Paul Tullis
Publisher:
ISBN:
Category :
Languages : en
Pages : 346
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Book Description
Author: Norman R. Morrow
Publisher: CRC Press
ISBN: 9780824783853
Category : Science
Languages : en
Pages : 468
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Book Description
Deals with specialized but interrelated problems in oil recovery in which the effect of interfacial behaviors is the dominant factor. Describes approaches to improving the understanding of the fundamentals of displacement, with the goal of simplifying systems sufficiently to enable measurements and
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 1162
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Author: Thanawut Worawutthichanyakul
Publisher:
ISBN:
Category :
Languages : en
Pages : 188
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Book Description
Displacement of a viscous fluid by a lower viscosity immiscible fluid (such as waterflood of the viscous oil) in a porous medium is unstable. The displacement front generates viscous fingers which lead to less oil recovery efficiency. Another important problem related to instability in immiscible flow is the lack of reservoir modeling to capture viscous fingerings in simulation grid blocks. Few approaches to represent this phenomenon in reservoir modeling have been proposed previously. A dimensionless scaling group (viscous finger number) has been suggested which have a power-law relationship with the breakthrough recovery and cumulative recovery in unstable core floods. The relative permeability used in large grid block simulations has been modified to so-call “pseudo-relative permeability” on the basis of the dimensionless group, thus incorporating the effect of fingers in waterflood predictions. However, the previous proposed models were constructed from experiments only in water-wet systems. This research extends the recent viscous fingering models to oil wet systems. Sandstone cores are treated to alter the wettability to oil-wet. Series of experimental studies are performed in both water-wet and oil-wet cores. Viscosity ratio, velocity and diameter are varied. It is shown that the previously developed viscous finger number works for the new water-wet experiments. However, for oil-wet experiments, the correlating dimensionless number is different. A pseudo-relative permeability model has been developed for oil-wet cores. The core flood experiments have been matched by the new pseudo-relative permeability model. This pseudo-relative permeability model can be used for reservoir simulation of viscous oil waterfloods and polymer floods.
Author: David Russo
Publisher: Springer Science & Business Media
ISBN: 3642779476
Category : Technology & Engineering
Languages : en
Pages : 323
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Book Description
A year has passed since Eshel Bresler, my good friend and colleague, and a member of the editorial board of the Advanced Series in Agricultural Sciences, died suddenly while on a visit to the Chinese Academy of Sciences in Beijing. We had worked together for almost 30 years at the Institute of Soils and Water, ARO, The Volcani Center at Bet Dagan. At the very beginning of our scientific careers we cooperated directly and as a result one of our first publications was coauthored (Soil Sci. 101:205-209, 1966). Thereafter, our specific research interests diver sified, but we continued to work together, with similar approaches to research, and to strive towards the development of Israel soil science and its integration into general worldwide scientific progress. I don't need to emphasize Eshel's contribution to the understan ding of the processes governing water flow and solute transport pro cesses in soils and unsaturated zones. The contributions to this Volume by such a body of outstanding scientists shows the apprecia tion of the international scientific community to his research achievements.
Author: Wei-Cheng Lo
Publisher:
ISBN:
Category :
Languages : en
Pages : 350
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Book Description
Author: Daniel Hillel
Publisher: Elsevier
ISBN: 0080544150
Category : Science
Languages : en
Pages : 801
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Book Description
Environmental Soil Physics is a completely updated and modified edition of the Daniel Hillels previous, successful books, Introduction to Soil Physics and Fundamentals of Soil Physics. Hillel is a Pulitzer Prize-winning author, one of the true leaders in the field of environmental sciences. The new version includes a chapter and problems on computational techniques, addresses current environmental concerns and trends. - Updates and expands the scope of Hillel's prior works, Fundamentals of Soil Physics (1980)and Applications of Soil Physics (1980) - Explores the wide range of interactions among the phases in the soil and the dynamic interconnections of the soil with the subterranean and atmospheric domains - Draws attention to historical and contemporary issues concerning the human management of soil and water resources - Directs readers toward solution of practical problems in terrestrial ecology, field-scale hydrology, agronomy, and civil engineering - Incorporates contributions by leading scientists in the areas of spatial variability, soil remediation, and the inclusion of land-surface processes in global climate models
Author: Mark Robert Deinert
Publisher:
ISBN:
Category :
Languages : en
Pages : 276
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Book Description
Author: Daniel Hillel
Publisher: Elsevier
ISBN: 0323152139
Category : Technology & Engineering
Languages : en
Pages : 400
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Book Description
Applications of Soil Physics deals with the applications of soil physics and covers topics ranging from infiltration and surface runoff to groundwater drainage, evaporation from bare-surface soils, and uptake of soil moisture by plants. Water balance and energy balance in the field are also discussed, along with tillage and soil structure management. The development and extension of Penman's evaporation formula is also described. This book is comprised of 14 chapters and begins with a systematic description of the field-water cycle and its management, with emphasis on infiltration and runoff; redistribution and drainage; evaporation and transpiration; and irrigation and tillage. Subsequent chapters focus on transpiration from plant canopies; freezing phenomena in soils; scaling and similitude of soil-water phenomena; spatial variability of soil physical properties; and movement of solutes during infiltration into homogeneous soil. Concepts of soil-water availability to plants are considered, together with principles of irrigation management and the advantages and limitations of drip irrigation. This monograph is intended for upper-level undergraduate and graduate students of the environmental, engineering, and agronomic sciences.
