Development and Application of Classical Capillary Number Curve Theory

Front-Matte_2021_Development-and-Application-of-Classical-Capillary-Number-C
Front matter
Copyrigh_2021_Development-and-Application-of-Classical-Capillary-Number-Curv
Copyright
Contributor_2021_Development-and-Application-of-Classical-Capillary-Number-C
Contributors
Foreword_2021_Development-and-Application-of-Classical-Capillary-Number-Curv
Foreword
Preface_2021_Development-and-Application-of-Classical-Capillary-Number-Curve
Preface
Authors--biogra_2021_Development-and-Application-of-Classical-Capillary-Numb
Authors biography
Informative-abstr_2021_Development-and-Application-of-Classical-Capillary-Nu
Informative abstracts
Afterwor_2021_Development-and-Application-of-Classical-Capillary-Number-Curv
Afterword
Chapter-1---Supplement-and-optimization-of-clas_2021_Development-and-Applica
Supplement and optimization of classical capillary number experimental curve for enhanced oil recovery by comb ...
Chapter outline
Classical capillary number experimental curve and chemical flooding numerical simulation software UTCHEM
Two different driving conditions found in the combination flooding process in numerical simulation study
Conditions and results for simulation calculation study
Verification with oil displacement experiment
Calculation and study on capillary number curve shape under high capillary number condition during displacement
Re-study on experimental curve of relations between capillary number and residual oil saturation
Measurement of experimental curve of relations between capillary number and residual oil saturation
Re-verification experiment for key change points on capillary number experiment curve
Further study on high residual oil saturation occurring under high capillary number condition
Re-study of relative permeability curve in combination flooding
Expression determination of relative permeability curve in combination flooding
Determination of relative permeability curve parameters
Two ways to describe relative permeability curves
Combination flooding software IMCFS
Conclusions
Abbreviations
References
Chapter-2---Digital-research-on-fiel_2021_Development-and-Application-of-Cla
Digital research on field experiment of combination flooding
Chapter outline
Numerical simulation research of Xingerxi Block Area (simplified Xinrerxi Block Area) combination flooding experimen ...
Research on numerical simulation calculation of Xingerxi Block Area combination flooding experiment
Digital flooding experiment research platform and digital flooding experiment
Important technical characteristics for success of Xingerxi Block Area flooding experiment-High-viscous and ultra- ...
Further optimization of flooding experiment scheme of Xingerxi Block Area
Some noteworthy technical data
Safe injection pressure limit
Underground viscosity retention rate of flooding system and economic indicators of enhanced recovery for floodin ...
Requirements on stabilizing time of combination flooding surfactant
Optimization design of flooding experiment scheme of combination flooding
Optimization design of well pattern and spacing
Design of slug structure for flooding scheme
Design of injection speed for flooding scheme
Optimization of slug volume of combinational system
Optimization of surfactant concentration of combinational system slug
Optimization of interfacial tension of combinational system slug
Volume optimization of subsequent polymer slug
Research of flooding experiment for industrial well pattern condition
Digitization of industrial experiment of No. 4 oil production plant in Daqing Oilfield
Research of optimization flooding scheme of industrial experiment in No. 4 oil production plant in Daqing Oilfield
Conclusions
Abbreviations
References
Chapter-3---Research-on-laboratory-com_2021_Development-and-Application-of-C
Research on laboratory combination flooding experiment digitization
Chapter outline
Discussion on conditions of ``equivalent´´ relationship between indoor flooding experiments and field experiments un ...
Design of equivalent research model
Design of injection velocity
Research of indoor flooding experiment
Fitting calculation of flooding effect of indoor flooding experiment based on flooding scheme of field geology model
Determination of digital flooding geology model
Assessment of digital model
Calculation review and modification of two models
Determination of digital geology model
Summary of technical essentials of establishing digital geology models
Application of digital geology model of displacement experiment
Discussion on producer-injector spacing and scheme slug structure
Determination of key parameters and optimization and design of field experiment scheme
Conclusions
Abbreviations
References
Chapter-4---Construction-of-microscopic-_2021_Development-and-Application-of
Construction of microscopic oil/water distribution model of experimental core
Chapter outline
Introduction
The saturating processes of oil and water in the oil displacement experiment core
Microscopic initial oil-water distribution in flooding experiment core
The displacement in different oil storage pore space corresponds to different sections of the capillary number curve
Displacement under the condition that the capillary number is lower than the limit capillary Nct1
Displacement under the condition that capillary number is lower than the limit capillary number Nct2
Displacement under the condition that capillary number is between limiting capillary numbers Nct2 and Nct1
Displacement under the condition that the capillary number is greater than the limiting capillary number Nct1
Original oil-water distribution in ``oil-water coexistence´´ space and distribution changes after flooding
Further understanding of the experimental curve of displacement capillary Number in ``oil-water coexistence´´ space
Carding of correspondence between core microscopic space and capillary number experimental curves
Similarities and differences in microcosmic space of reservoirs with different permeability
The displacement of different oil storage pore in water-wet cores corresponds to different section of the capillary ...
Conclusions
Abbreviations
References
Chapter-5---Further-study-on-the-capillar_2021_Development-and-Application-o
Further study on the capillary number experimental curve and phase permeability curve
Chapter outline
Two descriptions on the capillary number experimental curve QL
Digital study on the capillary number curve
Displacement while the capillary number Nc is lower than the limit capillary number Ncc
Displacement while the capillary number Nc is between the limit capillary number Ncc and Nct1
Displacement while the capillary number Nc is higher than the limit capillary number Nct1
Capillary number ``digitized´´ experimental curve
Mathematical description of the capillary number experimental curve QL
Deep understanding of the capillary number experimental curve
Summery on the experimental method of the capillary number experimental curve
Further perfection of the ASP flooding phase permeability curve
Conclusions
Abbreviations
Reference
Chapter-6---Application-of-the-microscopic_2021_Development-and-Application-
Application of the microscopic oil/water distribution model in digital displacement research
Chapter outline
Deep understanding of reservoirs based on the innovative research findings of the capillary number experiment curve
Oil layer cores have the same microscopic oil/water distribution as experimental cores
Investigating oil recovery during displacement by starting with the core-based microscopic oil/water distribution
Comparative studies of the displacement effects of different chemical displacement methods
Research on a water displacement scheme
Research and application of polymer displacement technology
Research and application of compound displacement technology
Knowledge of the limitations in application of the polymer displacement technology
In-depth understanding of small-spacing high-viscous ultra-low interfacial tension system displacement result
Research on the digitization of ASP displacement in the Warden Unit of Sho-Vel-Tum Oilfield
Conclusions
Abbreviations
References
Chapter-7---Further-study-on-the-digit_2021_Development-and-Application-of-C
Further study on the digital field experiment of combination flooding
Chapter outline
A breakthrough result in theoretical studies
Supplementation and perfection of classic capillary number experiments
The establishment of core microscopic oil/water distribution platform deepened the understanding of capillary numb ...
Phase permeability curve of compound displacement
Research and application of software
Research method of digitalized displacement experiments of compound displacement
Field experiments need more scientific and efficient research methods
The digital study of the compound displacement field test of Xingerxi block area in Daqing Oilfield
Digital research of oil displacement experiments deepens the understanding of field tests
Optimized research of the industrial application scheme of compound displacement in Daqing Oilfield
Further optimization of the field experiment oil displacement scheme
Impact of interfacial tension changes on displacement effect
Impact of reservoir heterogeneity on oil displacement efficiency
Further optimization of the injection velocity of schemes
Our hopes for Daqing Oilfield
Conclusions
Abbreviations
References
Index_2021_Development-and-Application-of-Classical-Capillary-Number-Curve-T
Index