Proceedings of the International Field Exploration and Development Conference 2023: Volume 3 (Springer Series in Geomechanics and Geoengineering)

Contents
Geophysical Well Logging
Application of Dielectric Logging Instrument in Unconventional Complex Oil and Gas Development
	1 Introduction
	2 Fundamental Theory
		2.1 Principle and Advantages of Dielectric Logging Technology
		2.2 Simulation of Response Characteristics of Dielectric Logging
	3 Application in Oilfield
		3.1 Examples of Unconventional Shale Oil and Gas Exploration
		3.2 Application of Dielectric Logging in Water-Flooded Layer
	4 Conclusion
	References
Classification of Geological Factors in Doubtful Layer of Logging Interpretation and Overseas Case Study
	1 Introduction
	2 Classification of Influencing Factors in Doubtful Layers
	3 Case Study on Doubtful Layers
		3.1 Structural Genesis
		3.2 Reservoir Genesis
		3.3 Fluid Genesis
	4 Discussion
	5 Conclusion
	References
Comprehensive Assessment of Logging Geology in Self-generated and Self-storage Biological Gas Reservoir: A Case Study from Sebei Gas Field in Qaidam Basin
	1 Preface
	2 Analysis of Geological Characteristics of Self-generate and Self-storage Gas Reservoirs and Potential Exploitation Targets in the Middle and Late Stages of Development
		2.1 Basic Geological Features
		2.2 Basic Characteristics of Reservoir Formation
		2.3 The Work Direction of Reservoir Potential Tapping
	3 Quantitative Lithology Interpretation and Vertical Mudstone Thickness Proportion Analysis
		3.1 Consistency of Shale Content to Clay Content
		3.2 Stratum Lithology Identification of Self-Generated and Self-Storage Gas Reservoirs
		3.3 Statistical Window Step Size Analysis of Longitudinal Thickness Variation of Mudstone
	4 Potential Layer Evaluation Criteria and Potential Tapping Effect
		4.1 Comprehensive Evaluation Index of Logging Geology
		4.2 The Main Potential Tapping Direction of the Potential Layer
		4.3 Production Effect
	5 Conclusion
	References
Study on Thickness Interpretation Standard in Oil-Water Transition Zone
	1 Introductions
	2 Geology General Overview
	3 Research on Thickness Interpretation Criteria in Oil-Water Transition Zone
		3.1 Research on the “Four-Property” Relationship in the Reservoir
		3.2 Oil-Water Transition Section Analysis of Influencing Factors of Reservoir Logging Response
		3.3 Development of the Thickness Interpretation Standard for the Oil-Water Transition Section
		3.4 Oil-Water Transition Section Research on Comprehensive Interpretation Methods of Various Thicknesses
	4 Evaluation of the Interpretation Results of the New Standard
	5 Conclusion
	References
Research and Application of Key Technologies of Fixed Angle Perforation
	1 Introduction
	2 Technical Principle and Characteristics
		2.1 Technical Principle
		2.2 Technical Features
	3 Design of Fixed Angle Perforator
		3.1 Structural Design of Fixed-Angle Perforator
		3.2 Ground Target Detection of Fixed Angle Perforator
	4 Construction Method Design
		4.1 Construction Process Principle
		4.2 Structure of Fixed Emission Angle Pipe
	5 Field Application
		5.1 Scale of Application
		5.2 Application of Single Well
		5.3 Application Effect
	6 Conclusion
	References
Evaluation Method and Application of Coring Difficulty Index in the Bohai Oilfield
	1 Introduction
	2 Main Factors Affecting Coring Operation
		2.1 Geological Factors
		2.2 Operation Factors
		2.3 Instrumental Factor
	3 Difficulty Index of Coring Operation
		3.1 Coring Success Rate Index
		3.2 Coring Quality Index
	4 Application Effect Evaluation
	5 Summary and Suggestions
	References
Characteristics Analysis and “Dual Quality” Logging Evaluation of Wufeng-Longmaxi Shale Gas Reservoir in Taiyang-Dazhai Area
	1 Introduction
	2 Analysis of Reservoir Characteristics
		2.1 Geological Overview
		2.2 Petrological Characteristics and Reservoir Space Types
		2.3 Lithology Profile
		2.4 Total Organic Carbon and Kerogen Types
		2.5 Thermal Evolution Degree of Organic Matter
	3 Logging Evaluation of Shale Gas Reservoir Quality Parameters
		3.1 Calculation of Mineral Components
		3.2 Calculation of Reservoir Quality Parameters
		3.3 Example of Reservoir Quality Evaluation
	4 Logging Evaluation of Shale Gas Engineering Quality Parameters
		4.1 Calculation Process of Rock Mechanics Parameters
		4.2 Calculation of Brittleness Index
		4.3 Calculation of Horizontal Stress
		4.4 Example of Engineering Quality Evaluation
	5 Conclusions
	References
An Intelligent Depth Correction Method for Logging Curves Based on Pearson Correlation Coefficient and DTW
	1 Introduction
	2 Pearson Correlation Coefficient Method
	3 Principle of DTW (Dynamic Time Warping)
	4 Logging Curve Depth Correction Steps
		4.1 Curve Resampling and Normalization
		4.2 Build a Dual-Window Sliding Mechanism to Calculate Pearson Correlation Coefficient and DTW Distance
	5 Application Effect and Actual Analysis
	6 Summary
	References
Acoustic Emission Crustal Stress Experiment Based on Borehole Wall Electrical Imaging
	1 Foreword
	2 Borehole Wall Imaging Logging
		2.1 Coordinate Rotation
		2.2 Core Orienting
		2.3 Crustal Stress Orientation
	3 Acoustic Emission Experiment
		3.1 Experimental Principle
		3.2 Experimental Design
	4 Application Effect
		4.1 Experimental Effects of Crustal Stress
		4.2 Geological Risk Identification Effect
	5 Conclusion
	References
Research and Application on Measuring Casing Thickness and the Density of Cement Sheath by Using Three-Detector Density Logging Tool
	1 Preface
	2 Computational Model
	3 Research on Source Distance Optimization
		3.1 Research on Short Source Distance Optimization
		3.2 Research on Optimization of Intermediate Distance
		3.3 Research on Long Source Distance Optimization
	4 Research on Data Processing Methods
		4.1 Filtering
		4.2 Resolution Matching
	5 Field Application
	6 Conclusion
	References
Development and Application of FITS Through-Drilling-Tool High Resolution Array Sonic Logging Tool
	1 Preface
	2 FITS Fast Imaging Through-Drilling-Tool Logging System
	3 Circuit Design of TAST Array Sonic Logging Tool
		3.1 Characteristics and Main Technical Indicators of Tast Array Sonic Logging Tool
		3.2 Working Principle of TAST Array Sonic Logging Tool Circuit
	4 Laboratory Test and On-Site Application of TAST Array Sonic Logging Tool
		4.1 Laboratory Test
		4.2 Field Test
	5 Conclusion
	References
Logging Evaluation of Coalbed Methane Reservoir and Perforation Interval Optimization
	1 Introduction
	2 Analysis of Influential Factors of Perforation Intervals in Coal Measures Strata
	3 Comprehensive Logging Evaluation of CBM Reservoirs
		3.1 Source Rock Quality
		3.2 Reservoir Quality
		3.3 Fracturability
	4 Comprehensive Logging Evaluation of Roof and Floor
	5 Perforation Interval Selection Standard and Typical Examples
		5.1 Perforation Interval Selection Standard
		5.2 Analysis of Typical Examples
	6 Conclusions and Understandings
	References
Application of Multi-mineral Model in Reservoir Evaluation of Permian Sandy Conglomerate in the Western Dinan Uplift of the Junggar Basin
	1 Introduction
	2 Research Background
	3 Establishment of Multi-mineral Models and Calculation of Mineralogy
		3.1 Process for Establishing a Multi-mineral Model
		3.2 Determination of Matrix Parameters
		3.3 Mineral Composition Preprocessing
		3.4 Mineralogy Calculation Results
	4 The Geological Significance of Mineralogy Calculation
		4.1 Porosity Calculation
		4.2 Resistivity Log Correction
		4.3 Gas Reservoir Identification and Evaluation
	5 Conclusion
	References
Study on Water Production Characteristics of Shan2 Reservoir in South Sulige Cooperation Block
	1 Introduction
	2 Shan2 Water Production Characteristics Analysis
		2.1 Well SN0001 Water Production Analysis
		2.2 Shan2 Fracked Well Water Production Analysis
	3 Shan2 Water Production Limit Prediction
		3.1 Logging Response Characteristics of Different Reservoir Types
		3.2 Analysis and Prediction of Production Limit of Shan2 Reservoir Gas Well
		3.3 Comparison and Verification of Shan2 Reservoir Gas Well Liquid Production Limit
	4 Shan2 Reservoir Water Production Status Prediction
		4.1 Drilled Wells Shan2 Reservoir Water Production Prediction
		4.2 Shan2 Reservoir Water Production Analysis and Prediction
	5 Conclusion and Suggestions
	References
Research on Logging Classification and Evaluation Method for Tight Gas Reservoirs in Yichuan Block, Ordos Basin
	1 Introduction
	2 Geological Setting
	3 Methods
		3.1 Evaluation Index Model for Tight Gas Reservoirs Based on Logging Data
		3.2 Establishment of Reservoir Classification Standards
	4 Results and Discussion
		4.1 Actual Well Analysis
		4.2 Plane Distribution Characteristics of Reservoir Types
	5 Conclusion
	References
Theoretical Simulation and Application of High Frequency Electromagnetic Wave Propagation Logging
	1 Introduction
	2 Basic Principle of Operation
		2.1 Simulation Based on Equivalent Magnetic Dipole Theory
		2.2 Accurate Simulation of Engineering Parameters Incorporated into the Electrode Plate
		2.3 Comparison of Simulation Data
	3 Oilfield Applications
	4 Conclusion
	References
Preprocessing and Application of Resistivity Logging After Casing Data
	1 Introduction
	2 Principle of ECOS Cased Hole Resistivity Measurement
	3 Preprocessing of Cased Hole Resistivity Data
		3.1 Measurement Data Selection and Synthesis
		3.2 Data Interpolation
	4 Logging Data Interpretation Method and Application
		4.1 Regional Adaptability Analysis
		4.2 Evaluation of Residual Oil Saturation and Flooding Level
	5 Conclusions
	References
Permeability Prediction of Carbonate Rock by Conventional Logging with MA-Based Adaptive Model
	1 Introduction
	2 Methodology
	3 Conventional Core Analysis
	4 Permeability Prediction Based on FZI
	5 Generalization Capability
	6 Conclusions
	References
Application of 3D Induction Logging Response Analysis and Data Processing in Horizontal Wells
	1 Introduction
	2 Processing Method of Three-Dimensional Induction Logging Data for Horizontal Wells
	3 Analysis of Response Characteristics of Logging Data from Horizontal Wells
		3.1 Homogeneous Uniaxial Anisotropic Formation
		3.2 Three-Layer Planar Layered Stratigraphic Model
	4 Horizontal Well Data Processing Process and Typical Applications
	5 Conclusion
	References
Quantitative Characterization of Coal Cleat Pores Based on NMR and Its Application
	1 Introduction
	2 Experimental Method
	3 Quantitative Characterization of Cleat Pores
		3.1 Cleat Width
		3.2 Cleat Porosity
		3.3 Cleat Permeability
	4 Field Application
	5 Conclusions
	References
Application of the New 102 Ultra-Deep Penetration Perforator in the FX-1 Well
	1 Introduction
	2 The New 102 Ultra Deep Penetration Charge
		2.1 Design of Perforating Shell Body
		2.2 Design of Drug Type Cover
	3 Ground Detection Test
		3.1 API Concrete Target Detection
		3.2 Aperture Detection Under Ground Conditions
	4 Field Test
		4.1 Test Well Conditions
		4.2 Construction Situation
		4.3 Analysis of Fracturing Effect
	5 Conclusions and Suggestions
	References
Estimation of Saturation Height Function Using Capillary Pressure and the Analysis of Influencing Factors
	1 Introduction
	2 Capillary Pressure in Reservoir Rocks
	3 Reservoir Rock Type Classification
	4 Method of Saturation Height Modeling Based on SRT
	5 Comparative Analysis of the Saturation-Height
	6 Conclusion
	References
Logging Classification and Evaluation Criteria for Marine ShaleReservoirs of Wujiaping Formation in Eastern Sichuan Basin
	1 Introduction
		1.1 Logging Response Characteristics of Shale Reservoirs and the Identification Criteria of High-Quality Shale Reservoirs
	2 Interpretation of Key Parameter Processing of Shale
	3 Establishment of Reservoir Classification and Evaluation Criteria for Logging
		3.1 Investigation and Applicability Analysis of Classification Standards
		3.2 Establishment of Reservoir Classification and Evaluation Criteria for Logging in Wujiaping Formation of Eastern Sichuan Basin
	4 Comprehensive Evaluation of Logging
	5 Conclusions
	References
Imaging Logging Blank Strip Filling Based on Generative Network
	1 Introduction
	2 Experimental Principles
		2.1 The Basic Principles of Generating Networks
		2.2 Generate Network Model
		2.3 Loss Function
		2.4 Evaluating Indicator
	3 Blank Strip Filling Experiment
	4 Conclusion
	References
Reservoir Identification and Classification Based on Principal Component Analysis and Supervised Neural Network in Carbonate Rocks
	1 Introduction
	2 Reservoir Identification Using Principal Component Analysis
	3 Reservoir Classification Based on Supervised Neural Network
	4 Conclusion
	References
Application of Well Logging in Evaluation of Coal Shale Gas Reservoir
	1 Introduction
	2 Total Organic Carbon Content
	3 Fracturability Evaluation
	4 Suggestions
	References
Logging Identification and Evaluation Method for Bitumen-Bearing Reservoirs
	1 Research Background
		1.1 Regional Geology
		1.2 Basic Characteristics of Reservoir
	2 Typical Characteristics of Bitumen-Bearing Reservoir
	3 Identification and Evaluation of Bitumen-Bearing Reservoir
		3.1 Qualitative Identification of Bitumen-Bearing Reservoir
		3.2 Quantitative Calculation of Bitumen’s Content in Reservoir
		3.3 Calculation of Water Saturation of Bitumen-Bearing Reservoir
		3.4 Application Examples
	4 Conclusion
	References
Conventional Logging Characterization Method of Tight Sandstone Reservoir Fractures in Northeast Sichuan
	1 Foreword
	2 Logging Response Pattern of Reservoir Fractures
		2.1 Pore Type Reservoirs
		2.2 Fracture-Pore Type Reservoirs
	3 Identification Method of Fractures in Reservoirs
		3.1 Deep Lateral Resistivity and Natural Gamma Rendezvous Relationship
		3.2 Neutron and Interval Transit Time Rendezvous Relationship
		3.3 Differences in Deep and Shallow Lateral Resistivity
		3.4 Construction of Comprehensive Fracture Identification Index
	4 Quantitative Characterisation of Fracture Parameters
		4.1 Fracture Porosity Model
		4.2 Fracture Permeability Model
		4.3 Fracture Saturation Model
	5 Analysis of Application Effects
	6 Conclusion
	References
Experimental Study on the Transmission Law of Ultrasonic in Mud
	1 Introduction
	2 Design and Construction of Laboratory Experiment Platform
		2.1 Key Component
		2.2 Experimental Principle
	3 Experimental Process
		3.1 Study on Ultrasonic Transmission Law Under Different Measurement Distances
		3.2 Study on Ultrasonic Transmission Law Under Different Mud Density
		3.3 Study on Ultrasonic Transmission Law Under Different Temperatures
		3.4 Study on Ultrasonic Transmission Law Under Different Objects
		3.5 Notices During the Experiment
	4 Analysis of Experimental Data
		4.1 Ultrasonic Transmission Law Under Different Measurement Distances
		4.2 Ultrasonic Transmission Law Under Different Mud Density
		4.3 Ultrasonic Transmission Law Under Different Temperatures
		4.4 Ultrasonic Transmission Law Under Different Measurement Objects
	5 Conclusion
	References
A Novel Study on Classification Method of Complex Carbonate Reservoir Type: A Case on XX Oilfield in the Caspian Basin
	1 Overview of Study Block
	2 Lithological Characteristics of Reservoir in the Block
	3 Characteristics and Types of Carbonate Reservoirs in XX Oilfield
		3.1 Characteristics of Carbonate Reservoir in XX Oilfield
		3.2 Storage Space Type in this Study Block
	4 Classification of Reservoir Types
		4.1 Principle of Reservoir Type Classification Method
		4.2 Case Study
	5 Conclusion
	References
A Novel Calculation Method of Transient Electromagnetic Resistivity Logging Through Casing
	1 Introduction
	2 Theory of TEM Through Casing Logging
	3 Time Response Calculation of 2D Axisymmetric Formation
	4 Numerical Simulation of Transient Response in Well
	5 Conclusion
	References
Design the Network Bus of Logging Downhole Tools on 10BASE-T1S Network
	1 Introduction
	2 General Design of the Networked Downhole Tool Bus
		2.1 Status of the Logging Tool Bus
		2.2 Networked Logging Tool Bus Design
	3 Hardware Design of Networked Logging Instrument Bus
		3.1 LAN8670 Scheme Design
		3.2 NCN26010 Scheme Design
	4 Conclusion
	References
Circuit Design of Fluid Scanning Imaging Logging Tool Working in Shale Gas Well
	1 Introduction
		1.1 Instrument String of Downhole
		1.2 Array Sensor Selection and Distribution
	2 Circuit System Scheme
		2.1 Circuit System of the Gas Holdup Logging Instrument
		2.2 Circuit System of the Hydraulic Power Unit
	3 Sensing Technology
		3.1 Flow Rate and Water Holdup Measurement
		3.2 Optical Fiber Gas Holdup Sensor
		3.3 Displacement Measurement of the Mechanical Arms
	4 Electrical Protection and Control Circuit
	5 Conclusion
	References
Application of Elemental Logging Technology in Identification of the Bottom of Salt Layer of Keshen 5 Block in Kuqa Basin
	1 Introduction
	2 Principle and Technical Method of Element Logging Technology
		2.1 Principle of Element Logging Technology
		2.2 Technical Method of Element Logging
	3 Application of Element Logging Technology in Salt Bottom Identification
		3.1 Analysis of Characteristic Element Content
		3.2 Element Intersection Plate Method
		3.3 Element Intersection Plate Method
	4 Application of XRF Element Logging Technology
	5 Conclusion
	References
Denoising of Seismoelectric Logging Signal Based on Stochastic Resonance
	1 Introduction
	2 Stochastic Resonance
		2.1 The Idea of Stochastic Resonance
		2.2 Related Theories of BSR
		2.3 BSR Based on GA
	3 Experiment and Analysis
		3.1 Traditional Filtering Method
		3.2 Simulation of BSR Based on GA
	4 Conclusion
	References
Response Mechanism of Multi-frequency Micro-Resistivity Imaging Logging in Oil-Based Drilling Fluid Based on Numerical Simulation
	1 Introduction
	2 Current Signal Amplitude and Phase
	3 Low Resistivity Formation
	4 Capacitance Coupling
	5 Dielectric Dispersion
	6 Conclusion
	References
Design and Application of High-Performance Logging Numerical Simulation Platform LogSIP2.0
	1 Introduction
	2 Overall Architecture of Logging Numerical Simulation Platform
		2.1 Platform System Architecture Design
		2.2 Load Balancing and Parallel Computing
	3 Logging Numerical Simulation Algorithm Integration
		3.1 Numerical Simulation Method of Three-Dimensional Induction Logging
		3.2 Numerical Simulation Method of Azimuth Lateral Logging
		3.3 Numerical Simulation Method of Three-Dimensional Acoustic Logging
	4 Application Examples of Logging Numerical Simulation Platform
		4.1 Detector Optimization Design Example
	5 Conclusion
	References
Remote Synchronization of Logging Data Based on ZeroC Ice Framework
	1 Introduction
	2 Current Situation Analysis
		2.1 Current Situation of Logging Data Management in Changqing Oilfield
		2.2 CNPC Logging Big Data Basic Platform
	3 Overall Architecture of Logging Data Synchronization
	4 Key Technologies
		4.1 ZeroC Ice Framework
		4.2 Python Language
	5 Implementation of Synchronous Development of Logging Data
		5.1 Ice Unified Data Server Interface Development
		5.2 Python Language Client Development
		5.3 Implementation of Automatic Synchronization
	6 Application Effect
	7 Conclusion
	References
A Clustering-Based Dispersion Analysis Approach for Borehole Acoustic Waves and Its Application
	1 Fundamental Principles
		1.1 Dispersion Analysis via the Matrix Pencil Method
		1.2 Improved DBSCAN Algorithm
	2 Dispersion Analysis via the Matrix Pencil Method
		2.1 Workflow of Step-Wise Classification
		2.2 The Proposed Workflow for Separating Main Dispersive Features
	3 Practical Application
	4 Conclusions
	References
A New Fracturing Result Evaluation Method Based on Borehole Time-Domain Electromagnetic
	1 Introduction
	2 Theoretical Basis of Time Domain Electromagnetic Remote Detection
		2.1 Full Space Time Domain Electromagnetic Field
		2.2 Principle of Time Domain Electromagnetic Probe and Geological Model of Far Borehole Fracture
	3 Numerical Simulation of Time Domain Electromagnetic in Fractured Formation
		3.1 Response Characteristic Curves of Resistivity of Different Fracturing Fluids
		3.2 Time-Domain Electromagnetic Response Characteristics of Borehole in Fractured Formation with Different Fracturing Fluids
		3.3 Response Characteristic Curves of Different Excitation Modes
	4 Conclusion
	References
Study on Identification Methods and Countermeasures of Supercharge for Wireline Formation Testing
	1 Introduction
	2 Effects of Supercharge Data on Exploration and Development
	3 Early Diagnosis Method of Supercharge
		3.1 Pressure Coefficient Method
		3.2 Pressure Build up Duration Estimation Method
		3.3 Pressure Build up Curve Characteristic Method- Pressure Buildup “Upward Step”
		3.4 Multiple Setting Tests at the Same Depth
	4 Method of Eliminating Supercharge
	5 Effect Evaluation of Field Application
		5.1 Supercharge Identification and Analysis of Operation Effect by SFTT for Development Well X-45 in Turkmen
		5.2 SFTT Test for Evaluation Well X-45 in Chad
		5.3 SFTT Test in Evaluation Well X-5 in Chad
		5.4 RDT Testing of Well H-8 in Iraq
	6 Conclusions
	References
Irreducible Water Saturation Determination and Fluid Identification Methods in Carbonate Reservoirs: A Middle Eastern Case Study
	1 Introduction
	2 Geological Overview
	3 Principle of the Methods
		3.1 Principle of Total Differentiation
		3.2 Irreducible Water Saturation Determination
		3.3 Inversion of the Resistivity in Undisturbed Reservoir
	4 Application Effect Analysis
		4.1 Irreducible Water Saturation Prediction Example
		4.2 Integrated Application of Multiple Methods to Identify Formation Fluid Types
	5 Conclusion
	References
Research on Wellbore Axis Alignment Calibration Method for Casing Deformation Ultrasonic Three-Dimensional Imaging Technology
	1 Introduction
	2 Analysis of Well Axis Offset in Casing Deformation Ultrasonic Three-Dimensional Imaging
	3 Wellbore Axis Alignment Calibration Method and Model for Casing Deformation Ultrasonic Three-Dimensional Imaging
	4 Verification of the Wellbore Axis Alignment Calibration Model
	5 Wellbore Axis Alignment Calibration Calculation for Casings in Different Shapes
		5.1 Standard Circular Casing
		5.2 Elliptical Casing
		5.3 Irregular-Shaped Casing
	6 Three-Dimensional Imaging Analysis
	7 Conclusions
	References
LWD Quality Control: Standard Procedure
	1 Introduction
	2 LWD QC Procedures Performed by DD Engineers
		2.1 Tool Calibrations
		2.2 Tool Surface Checks
		2.3 LQC Plots
		2.4 Repeat Log
		2.5 Structured Log Print
	3 LWD QC Procedures Performed by Petrophysicists and Log Analysts
		3.1 Checklist
		3.2 Crossplots and Histograms
		3.3 Petrophysical Model
	4 Conclusions
	References
Advanced Porosity Prediction in Heterogeneous Oil Reservoirs: Using Novel Machine Learning and Deep Learning Techniques
	1 Introduction
	2 Methodology
		2.1 Artificial Intelligent Networks
		2.2 Machine Learning Algorithms
		2.3 Porosities Traditional Determination
		2.4 Evaluation Criteria
		2.5 Data Description
		2.6 AI Models Establishment
	3 Result and Discussion
		3.1 Model Performance
		3.2 ANN Validation
		3.3 Sensitivity Analysis
	4 Conclusion
	References
Dynamic Reservoir Monitoring
Development of an Oil-Well Downhole Behavior Classification Method Based on Pressure Parameters
	1 Introduction
	2 Research Background
	3 Working Condition
	4 Algorithm Principle
		4.1 Filtering and Noise Reduction Processing
		4.2 Wavelet Processing
		4.3 Wavelet Packet Feature Extraction
	5 Experiments and Results
	References
Evaluation of the Effectiveness of Workovers for Low Amplitude and Strong Edge Water Reservoirs in South America
	1 Oilfield Overview
		1.1 A Subsection Sample
	2 Workover History
	3 Evaluation of the Effect of WOs to Increase Oil Production
		3.1 Effect of Different WOs on Increasing Oil Production
		3.2 Distribution of WOs to Increase Oil Production
	4 Typical Workover Well
	5 Conclusions
	References
Production Performance Analysis and Reasonable Production Allocation for Carbonate Gas Reservoirs on the Right Bank of the Amu Darya
	1 Introduction
	2 Geological Setting of the Study Area
	3 Production Performance Characteristics of the DT Gas Field
		3.1 Basic Information
		3.2 Gas Well Productivity Analysis
		3.3 Well Log Interpretation
		3.4 Production Performance of Individual Wells
	4 Reasonable Production Allocation
		4.1 Establishment of the Numerical Simulation Model
		4.2 Model Initialization and the Prediction of Geological Reserves by Curve Fitting
		4.3 History Matching
		4.4 Reasonable Allocation of Gas Production Rates to Individual Wells
	5 Conclusion
	References
Reserves Estimation for Ultra-deep Fault-Controlled Fractured Cavity Carbonate Reservoirs
	1 Introduction
	2 Dynamic Reserves Estimation Methods
		2.1 Wellbore Storage Coefficient Analysis Method
		2.2 Dynamic Material Balance Method
	3 Conclusions
	References
Application of Coiled Tubing Distributed Optical Fiber Temperature Sensing Technology in Well Integrity Diagnosis
	1 Introduction
	2 Distributed Optical Fiber Temperature Sensing (DTS) System
		2.1 Principle of the Leakage Detection in DTS System
		2.2 DTS Structure
	3 Accurate Positioning of Wellbore Leaks
		3.1 Distributed Positioning Principle Based on Raman Scattering
		3.2 Casing Collar Magnetic Locator (CCL)
		3.3 Optical Fiber to Calibrate the Depth
	4 DTS Optical Fiber Data Interpretation
	5 Field-Test
		5.1 Downhole Test Tool
		5.2 Positioning to Calibrate the Depth
		5.3 Distributed Optical Fiber Leak Detection Operation on Site
	6 Conclusion
	References
The Application of Well Testing in Water Encroachment Discrimination of KL2 Water-Bearing Gas Reservoir
	1 Processing of Well Testing Pressure Data
		1.1 Establishing a Pressure-Temperature-Coupled Correction Model
		1.2 Application of the Pressure-Temperature-Coupled Correction Model in KL2 Gas Field
	2 Analytical Well Testing Numerical Modeling and Seepage Characterization
		2.1 Differential Equations of Seepage
		2.2 Seepage Characterization of KL2 Gas Reservoir
	3 Practical Application in KL2 Gas Field
	4 Conclusions
	References
A New Method for Judging Interwell Connectivity of Fracture-Vuggy Reservoirs
	1 Introduction
	2 Adaptability Analysis of Conventional Reservoir Connectivity Judgment Methods
		2.1 Static Method
		2.2 Dynamic Method
	3 The New Judged Method
		3.1 Principle
	4 Application in XY Fracture-Vuggy Reservoir
	5 Conclusion
	References
Optimization of Horizontal Section Length of Horizontal Wells in Different Sedimentary Microfacies Zones
	1 Preface
	2 Reservoir Characteristics and Basic Parameters of Different Sedimentary Microfacies
		2.1 Classification of Sedimentary Facies Types
		2.2 Main Microfacies Characteristics
		2.3 Classification of Main Microfacies Reservoirs
	3 Optimization of Horizontal Well Length in Different Microfacies Zones
		3.1 Analysis of Geological Conditions of Horizontal Wells
		3.2 Model Establishment and Horizontal Section Length Optimization
	4 Application Situation
	5 Conclusion
	References
A Method of Surface Electromagnetic Wave Transmission Across Discontinuous Structures in Wellbore Environment
	1 Introduction
	2 Characteristics of Underground Surface Electromagnetic Wave Transmission
		2.1 Subsurface Electromagnetic Wave Communication
		2.2 Surface Electromagnetic Wave Propagation Constant
	3 Influence of Discontinuous Structure on Surface Electromagnetic Wave Transmission
		3.1 Simulation Research on Cross-Plane Discontinuous Structure of Surface Electromagnetic Wave
		3.2 Simulation of Bistable Stochastic Resonance Based on Genetic Algorithm Feasibility Study on Low Attenuation Cross-Plane Discontinuous Structure Device
	4 Numerical Simulation of Surface Electromagnetic Wave Across Downhole Discontinuous Structures
	5 Conclusion
	References
CFD Simulation of the Micro-mechanism of Water Trapping Effect in Carbonate Gas Reservoirs
	1 Introduction
	2 Establishment of Microscopic Pore-Throat Model of Carbonate Reservoir
		2.1 Characteristics of Carbonate Reservoir Storage Space
		2.2 Establishment of Microscopic Pore-Throat Model
	3 CFD Simulation of Microscale Gas-Water Two-Phase Flow
		3.1 Microscopic Mechanism of Water Trapping Effect
		3.2 Influence of Flooding Speed on Water Trapping Effect
		3.3 Influence of Throat Heterogeneity on Water Trapping Effect
		3.4 The Influence of Water-Invasion Channel on Water Trapping Effect
		3.5 Influence of Well Pattern on Water Trapping
	4 Conclusion
	References
The Novel Dynamic Monitoring Technology and Analysis Methods for Deep Carbonate Reservoirs
	1 Introduction
	2 Transport Mechanism of Tracers Indoor Simulation Experiment
		2.1 Experiment Establishment
		2.2 Experimental Procedure
		2.3 Experimental Results
	3 Tracer Permeation Mathematical Model
		3.1 Tracer Flow Mechanism
		3.2 Tracer Seepage Model for Fractured Reservoirs
	4 Sensitivity Analysis of Tracer Time-Concentration Curve
	5 Explanation of Tracer Output Curve Model
	6 Conclusion
	References
A New Acid Washing Evaluation Approach for Horizontal Well in Porous Carbonate Reservoir
	1 Introduction
	2 Injection Performance Comparison for Acid Washing
		2.1 Reservoir Background
		2.2 Injection Performance After Acid Washing
	3 Pressure Transient Analysis for Injectors for Acid Washing
		3.1 Comparison of Interpreted Results Before and After Acid Washing
		3.2 Integrated Analysis of Pressure Transient Data for Acid Washing
	4 Conclusions
	References
Evaluate Oil Production Performance from Tight Oil Formations by Oil Layer Classification
	1 Introduction
	2 Geological Background
	3 Methods, Steps and Process
		3.1 Classification Criteria for Conglomerate Reservoirs of the Baikouquan Formation in Mahu Sag
		3.2 Application of Tracer and Optic Fiber Monitoring Techniques to Interpret Horizontal Well Production Profile in Mahu Sag
		3.3 Integration the Microseismic Technology, Optical Fiber with Tracer Test
		3.4 Interference Between Fracturing Sections
		3.5 Modeling the Effect of Proppant Volume, Fracturing Liquid Volume and Fracturing Spacing on Well Production Performance
	4 Conclusions
	References
Identification of Major Factors and Adjustment Strategies for Water Injection Development in a Complex and Thick Carbonate Reservoirs in Middle East
	1 Introduction
	2 Characteristics and Contradictions of Target Oil Reservoir
		2.1 Water Injection Initially Make Good Effects with Both Pressure and Oil Production Increase, and Some Wells Encounter a Rapid Rise of Water Cut
		2.2 General Water Injection with Uneven Vertical Utilization, Ineffective Circulation in High Permeability Layers, Ineffective Utilization in Low Permeability Reservoirs, and Poor Reservoir Utilization
	3 Evaluation of Zonal Water Flooding Performance
		3.1 Zonal Dynamic Performance and Production Splitting Based on PLT and Adjusted Formation Flow Capacity (KH)
		3.2 Areal Production Splitting Based on CRM
	4 Major Factors for Water Flooding Development
		4.1 Major Factors and Influence Regions
		4.2 Production Characteristics and Laws in Different Main Control Regions
	5 Development Adjustment Strategies for Different Main Control Regions
		5.1 Main Control Region 1: Appropriately Reducing Voidage Replacement Ratio (VRR) to Stablize Oil and Control Water Cut
		5.2 Main Control Region 2: Perforation Zones Upward and Converted Producers to Mitigate Unfavorable Influence of HPLs
		5.3 Main Control Region 3: Fine Water Injection, Production Zone Upward and Infill Wells to Control Water Cut and Increase Oil Recovery
		5.4 Main Control Region 4: Mild Water Injection to Reduce Water Cut
	6 Conclusion
	References
Diagnosis Technology for the Entire Process of Water Production in Producers
	1 Introduction
	2 Diagnostic Analysis Technology for the Entire Process of Water Production
		2.1 Logging Technology for Fluid Flow After Casing
		2.2 Logging Technology for Fluid Flow After Casing
		2.3 Statistical Analysis Techniques for Monitoring Data at Wellhead
	3 Cases
		3.1 Analysis of Water Flooded Wells for Casing Channeling
		3.2 Analysis of Edge Water Flooded Wells
	4 Conclusion
	References
Evaluation and Optimization of Production Performance for Fractured Buried Hill Reservoir
	1 Introduction
	2 Production Performance Evaluation of Water and Gas Pilot Injection in C Block
		2.1 Overview of the Pilot Injection
		2.2 Evaluation of the Pilot Water Injection
		2.3 Evaluation of the Pilot Gas Injection
		2.4 Analysis of Main Influential Factors on the Pilot Injection
	3 Optimization of Production Performance of Water and Gas Injection
		3.1 Optimization of Water Injection
		3.2 Optimization of Gas Injection
		3.3 Optimization of Both Water and Gas Injection
	4 Application of Water and Gas Injection in the Typical Well Group
	5 Conclusion
	References
Application of Inter-Well Frac-Hits Evaluation Based on Frac-Hits Index Calculation in Sichuan Shale Gas Wells
	1 Introduction
	2 The Calculation Method of Frac-Hits Index
	3 Field Application and Evaluation
		3.1 A Subsection Sample
		3.2 Analysis of Influencing Factors of Frac-Hits
	4 Conclusion
	References
The Application Study of Network Microseismic Monitoring Technology
	1 Introduction
	2 Microseismic Data Acquisition Processing and Interpretation
	3 Application Examples and Effects
	4 Conclusions and Recommendations
	References
Quantitative Characterization of Remaining Oil Distribution in Fractured Low-Permeability Reservoir
	1 Introduction
	2 Water Drive History Matching
	3 Quantitative Characterization of Vertical Remaining Oil Distribution
	4 Quantitative Characterization of Plane Remaining Oil Distribution
	5 Quantitative Characterization of Remaining Oil Types
	6 Conclusion
	References
Application Analysis of Long-Term High Temperature Monitoring Technology in Bohai Oilfield
	1 The Application Status of High Temperature Long Term Testing Technology in Bohai Oilfield
	2 Application Analysis of Long-Term High Temperature Monitoring Technology
		2.1 Calculation and Analysis of Wellbore Heat Loss
		2.2 Analysis of Heterogeneous Heating Radius in the Horizontal Wellbore Direction
	3 Instance Application
	4 Conclusion
	References
Research Progress and Application Practice of Well Testing Technology for Carbonate Reservoirs
	1 Introduction
	2 Well Test Interpretation Model for Carbonate Reservoir
		2.1 Well Test Interpretation Model for Fractured Carbonate Reservoir
		2.2 Well Test Interpretation Model for Fractured and Caved Carbonate Reservoir
		2.3 Well Test Interpretation Model for Bottom Water Carbonate Reservoir
		2.4 Well Testing Interpretation Model Considering Multiple Factors
	3 Application Practice of Typical Well Testing Interpretation Model
		3.1 Compound Well Testing Analysis Model and Its Application in North Truwa Carbonate Reservoir
		3.2 Well Test Interpretation Model for Deep and High Yield Carbonate Reservoir and Its Application
		3.3 Well Test Interpretation Model and Its Application for Typical Gas Reservoirs in West Sichuan Depression
	4 Conclusion
	References
Impact Analysis of Different Production History Input Methods on Test Well Interpretation Results for Africa Low Productivity Swabbing Wells
	1 Introduction
	2 Characteristics of Well Test Data
		2.1 Characteristics of Pressure Data
		2.2 Characteristics of Production Data
	3 Production History Input Methods
		3.1 Average Production Method
		3.2 Swabbing Cycle Method
		3.3 Swabbing Section and Slug Flow Section Method
	4 Comparison of Interpretation Results
		4.1 Log-Log Plot Pattern
		4.2 Interpretation Results of Permeability
		4.3 Interpretation Results of Skin Factor
		4.4 Optimization of Production History Input Methods
	5 Conclusion
	References
A New Method of Noise Spectrum Technology to Identify Reservoir Flow Profile
	1 Introduction
	2 Noise Spectrum Logging Technology
	3 NTO Application in Water Shut-Off
	4 NTO Application in Reservoir Flow Profile Evaluation
	5 Conclusions and Recommendations
	References
Application and Development of Tracer Test in Oil-Gas Industry
	1 Inter-Well Tracer Monitoring Technique
		1.1 Technical Purpose
		1.2 Tracer Product
		1.3 Interpretation Technology
		1.4 Application Case
		1.5 Future Development
	2 Horizontal Well Segmented Fracturing Tracer Monitoring Technology
		2.1 Technical Purpose
		2.2 Tracer Product
		2.3 Interpretation Technology
		2.4 Application Case
		2.5 Future Development
	3 Conclusion and Acknowledge
	References
Study on Water Flooding Quantification Method of Interwell Injection and Production
	1 Introduction
	2 Calculation Method of Injection-Production Flow Component
		2.1 Calculation of Split Condition Value of Oil-Well Flow Component
		2.2 Calculation of Correlation Coefficients in Conditional Values
		2.3 Calculation Method of Injection and Production Flow Component in Oil-Well Direction
	3 Verify the Calculation Results of Injection-Production Flow Component
		3.1 Compared with the Numerical Simulation Results
		3.2 Contrast with Water Absorption Profile
		3.3 Analysis and Comparison with Expert Experience
	4 Conclusion
	References
An Application of Extended Well Tests for Formation Characterization and Productivity Evaluation in Carbonate Reservoirs
	1 Introduction
	2 Extended Well Testing Overview
	3 Reservoir Connectivity Analysis
	4 Conventional Well Testing Interpretation
	5 Deconvolution Well Testing Interpretation
	6 Production Capacity Analysis
	7 Conclusion
	References
Author Index