Proceedings of the 2021 International Petroleum and Petrochemical Technology Conference

This book is a compilation of selected papers from the 5th International Petroleum and Petrochemical Technology Conference (IPPTC 2021). The work focuses on petroleum & petrochemical technologies and practical challenges in the field. It creates a platform to bridge the knowledge gap between China and the world. The conference not only provides a platform to exchanges experience but also promotes the development of scientific research in petroleum & petrochemical technologies. The book will benefit a broad readership, including industry experts, researchers, educators, senior engineers and managers. Contents Static and Dynamic Reservoir Evaluation and Management in E&P Application of Prestack Wide-Azimuth Coherence Technique in Complex Fault Area 1 Introduction 2 Prestack Wide-Azimuth Coherence Cube Technique 2.1 Principle of Prestack Wide-Azimuth Coherence Cube Technique 2.2 Prestack Wide-Azimuth Coherent Calculation Flow (Algorithm and Flow) 2.3 Characteristics and Key Technologies of Wide-Azimuth Coherence Cube 3 Application Effect Analysis 4 Conclusion References Multiple Hydraulic Fractured Vertical Wells in Gas Condensate Reservoirs 1 Introduction 2 Purpose of Study 3 Methodology 4 Cylindrical Compositional Model and Hydraulic Fracturing in Gas Condensate Reservoirs 5 Fluid Properties Modeling 6 Building Numerical Model for Simulation 7 Numerical Gridding Analyzing 8 Hydraulic Fracture Parameters 9 Confirming Numerical Model Using an Analytical Model 10 Sensitivity of Hydraulic Fracture Parameters 11 Production Rate Optimization 12 Sensitivity of Model to the Numbers of Fractures 13 Sensitivity of Model to Fractures Conductivity 14 Sensitivity of Model to Fractures Length 15 Conclusions References A Systemic Study on Production Index Behavior of Earlier Polymer Flood in Offshore Heterogeneous Heavy-Oil Reservoirs 1 Introduction 2 Liquid Production Index Mathematical Model 2.1 Definition of Flow Resistance in Producer Dominated Area 2.2 General Flow Resistance Equation 2.3 Water Flooding Stage 3 Variation Rule of Liquid Production Index of Polymer Flooding 3.1 Variation Feature 3.2 Variation Rules Under Different Conditions 4 Conclusions References Determination of Surfactant Concentration in Surfactant-polymer Mixtures for Improving Oil Production 1 Introduction 2 Experimental 2.1 Materials 2.2 NaClO Pretreatment of the SP Mixtures 2.3 Gel Permeation Chromatography 2.4 High Performance Liquid Chromatography Condition 3 Results and Discussion 3.1 Method Optimization 3.2 Calibration Lines of Surfactants in Solution 3.3 Salinity and Surfactant/Polymer Ratio Effects 3.4 Accuracy Compared with UV Method 4 Conclusions References Study of Preformed Particle Gel Blocking Performance in Fractured Carbonate Reservoirs 1 Introduction 2 Experimental 2.1 PPG Samples 2.2 Brines 2.3 Core Plugs 2.4 Swelling Ratio Measurement 2.5 Strength Measurement 2.6 PPG Blocking Test 3 Results and Discussion 3.1 PPG Bulk Properties 3.2 PPG Blocking Test 4 Conclusions References Failure Behaviour Simulation of Shale Layer Under Brazilian Test with Particle Flow Code 1 Introduction 2 Construction of Layered Shale Anisotropy Model 2.1 Matrix Contact Model of Layered Shale 2.2 Layered Shale Bedding Model 2.3 Particle Flow Model of Layered Shale 3 Numerical Simulation Analysis of Particle Flow in Bedding Shale 3.1 Influence of Bedding Angle on Failure Mode 3.2 Effect of Bedding Angle on Tensile Strength 3.3 Influence of Bond Strength Ratio of Layer Surface on Failure Characteristics 4 Conclusion References Research on Profile Control and Flooding Effect Evaluation of Horizontal Wells on the Basis of Improved Hall Curve 1 Introduction 2 Derivation of New Hall Curve 2.1 Classic Hall Curve 2.2 Percolation Theory of Horizontal Wells 2.3 Derivative Form of Hall Curve 3 Field Application 3.1 Monitoring and Evaluation of Profile Control and Flooding Effect 3.2 Timely Adjustment and Optimization of On-Site Process 4 Conclusion References Geological Modeling Method and Application of Rapid Facies Transition Sand Bodies in Tidal-Controlled Delta 1 Introduction 2 Structural Modeling Based on Seismic Constraint 3 Facies Modeling with Multi-level Control of Sequence Stratigraphy 4 Modeling Parameters Optimization by Numerical Simulation Feedback 5 Rock Type Classification 6 Conclusion References Study on Pore Shape and Pore Size Distribution of Carbonate Reservoir with Complex Pore Structure in Dengying Formation, Sichuan Basin 1 Introduction 2 Microstructure Characteristics of Carbonate Rocks 3 Pore Size Distribution of Carbonate Rocks 4 Three Dimensional Characterization of Pore Structure of Carbonate Rocks 5 Correction of Aperture Distribution 6 Conclusion References Classification and Undiscovered Resource Assessment of Oil and Gas Bearing Basins in South America 1 Introduction 1.1 Geological Background 1.2 Discovered Oil and Gas Fields 2 Methodology 2.1 Subjective Probability Method 2.2 Basin Analogue Method 3 Results 4 Conclusions References Development Characteristics and Main Controlling Factors of Tidal Sand Bar in Estuary 1 Introduction 2 Method 3 Result and Discussion 3.1 The Influence of Water Depth on the Development Characteristics of Sand Bars in Tidal-Controlled Estuaries 3.2 The Influence of Topographic Slope on the Development Characteristics of Tidal-Controlled Estuary Sand Bars 3.3 The Impact of Tidal Range on the Development Characteristics of Sand Bars in Tidal-Controlled Estuaries 3.4 Analysis on Main Controlling Factors of Sedimentary Characteristics of Tide-Controlled Estuary Sand Bodies 3.5 The Influence of the Main Controlling Factors on the Sedimentary Interlayer in the Estuary 4 Conclusion References Application of Tracer Monitoring Technology in Production Wells 1 Introduction 2 Tracer Adding Process and Dosage Optimization 2.1 Tracer Adding Process 2.2 Tracer Adding Process 3 Sampling of Tracer 4 Comprehensive Data Processing and Fracturing Effect Evaluation 4.1 Comprehensive Data Processing 4.2 Fracturing Effect Evaluation 4.3 Liquid Production Capacity Analysis of Layers 5 Conclusion References Stress Analysis of Premium Tubing Connection with Different Make-Up Torque in Different Well Depth 1 Background 2 Torque Loading Analysis of Finite Element Model of Premium Tubing Connection 3 Stress Analysis of Premium Tubing Connection Near the Wellhead 4 Stress Analysis of Premium Tubing Connection Near the Bottom of the Well 5 Conclusion References Recent Advances in Metallic Honeycomb Structure 1 Introduction 2 Traditional Honeycomb Structures 3 Negative Poisson’s Ratio Honeycomb Structures 4 Negative Poisson’s Ratio Honeycomb Structures 5 Negative Poisson’s Ratio Honeycomb Structures 6 Other Cellular Structures 7 Conclusion References Neuro-Fuzzy Approach for Gas Compressibility Factor Prediction 1 Introduction 2 Gas Compressibility Factor 3 Literature Review 4 Neuro-Fuzzy Modeling 5 Methodology 5.1 Data Description 5.2 Development of a Neuro-Fuzzy Model 6 Results and Discussion 7 Conclusions References Finely Description for Fractured Reservoir and Comprehensive Evaluation of Seismic 1 Foreword 2 Geology Generalization 3 Fracture Prediction 3.1 Overview of Method Principle 3.2 Evaluation of Fracture Prediction Effect 4 Seismic Comprehensive Evaluation 4.1 Ouantitative Forecasting 4.2 Regional Study 4.3 Comprehensive Evaluation 5 Conclusions and Understanding References Application of Rock Typing in Static and Dynamic Reservoir Characterization 1 Introduction 2 Fahliyan Log Interpretation 3 Yamama Rock Typing 3.1 Litho-Facies 3.2 Electro Facies 4 Darquain and West Qurna Fields Yamama Formation Rock Typing Correlation 5 Conclusions References Inferences Derived from Reservoir Permeability Estimation Using Static and Dynamic Data: Core Data Analysis Versus Drawdown Tests 1 Introduction 2 Methodology 2.1 Core Data Analysis 2.2 Drawdown Test 3 Results and Discussion 4 Conclusion References Study and Application of Horizontal Well Enhanced Oil Recovery Technology on Huabei Oilfield Jin45 Fault Block 1 Introduction 2 The Characteristics of Jin 45 Fault Block 2.1 Reservoir Physical Property 2.2 Petrographic Character 2.3 Dig Potential Difficulty and Countermeasure 3 Enhanced Oil Recovery Technology of Horizontal Well 3.1 Spatial Distribution Technology of Non-equal-Length Fractures in Horizontal Wells 3.2 Pumped Plug and Multi-cluster Perforation “Fracturing” Technology 3.3 Temporary Plugging Agent 4 Field Application 5 Conclusion References The Development and Application of Rotatable Universal Wireline Adapter 1 Introduction 2 Structure 2.1 Main Structure 2.2 Connection Sequence of Each Component 3 Working Principle and Technical Parameters 3.1 Working Principle 3.2 Main Technical Parameters 4 Indoor Simulation Calculation and Field Test 4.1 Calculation of Device Tensile Force and Material Selection 4.2 Field Test 5 Field Application 6 Conclusion and Understanding References Evaluation of Stratigraphic and Reservoir Sand Continuity Across Two Fields in Niger Delta Basin Using Seismic, Well Log, Core and Biostratigraphic Data 1 Introduction 2 Research Materials and Methods 2.1 Well Correlation 2.2 Identification of Timelines on Seismic 3 Results 3.1 Stratigraphy and Environment of Deposition of the J6 Sand 3.2 Discussion and Conclusion References Magnetic-Thermal-Fluid Field Coupling Method Study on Temperature Rise Analysis of Permanent Magnet Motor 1 Introduction 2 Model of Permanent Magnet Motor 2.1 Mathematical Model 2.2 Motor Parameters and Physical Model 3 Loss Calculation Analysis 3.1 Core Loss 3.2 Copper Loss 3.3 Mechanical Loss 4 Multiphysics Coupling Calculation and Analysis 4.1 Analysis of Magnetic-Thermal-Fluid Coupling 4.2 3D Finite Element Model 4.3 Calculation of Copper Loss Fixed Value Loading Method 4.4 Calculation of Copper Loss Variable Loading Method 4.5 Comparison of the Temperatures Obtained by Different Loading Methods 5 Conclusion References Drilling, Production Application and Analysis of Precisely Controlled Corresponding Fracturing Technology in Thin-Poor Layers of D Oilfield-Take A Well Group in X Region for Example 1 Introduction 2 Precisely Controlled Corresponding Fracturing 2.1 Technical Principle 2.2 Fracturing Layers Division Selection 2.3 Fracturing Scale Principle 3 Optimization of the Precisely Controlled Corresponding Fracturing 3.1 General Situation of a Well Group 3.2 Potential Analysis 3.3 Fracturing Layers Optimum Selection 3.4 Optimization of Construction Parameters 3.5 Scheme Adjustment of Surrounding Wells 4 Analysis of Fracturing Effects 4.1 Effect of Injection and Production Capacities 4.2 Thickness of Developed Layers 4.3 Reduction of Contamination 4.4 Evaluation of Economic Benefit 5 Conclusion References Main Evaluation Factors of Fractured Formation Leakage in Bohai Bay Basin 1 Introduction 2 Extraction of Rock Mechanical Characteristics 2.1 Calculation of Dynamic Mechanical Parameters 2.2 Conversion of Dynamic and Static Mechanical Parameters 2.3 Calculation of Failure Criterion Parameters 3 Evaluation of Regional Fractures and Identification of Main Controlling Factors 3.1 Fracture Evaluation 3.2 Identification of Main Controlling Factors of Well Leakage 4 Prediction of Well Leakage Pressure by Statistical Method 5 Conclusions References Living Polymer with Special Functional Groups to Displace Oil and Control Profile in Thin and Poor Layers 1 Foreword 2 Foreword Optimization of Agent Characteristics and Injection Parameters 2.1 Drug Performance Evaluation 2.2 Core Flooding Experiment 2.3 Design of Injection Parameters 3 The Field Application Effect 3.1 The Injection Profile Shows that the Difference Between Alternate Production Layers of Different Sand Bodies is Reduced 3.2 The Middle and Low Permeability Reservoir with Obvious Depth Profile Control is Effectively Utilized 3.3 The Change of Crude Oil Physical Properties Indicates that Living Polymer Flooding Can Improve Oil Displacement Efficiency 3.4 The Change of Ions in the Produced Solution Indicates that the Flooding Energy of Living Polymer Increases the Swept Volume 3.5 The Results of Tracer Propelling Show that the Living Polymer Flooding Has the Function of Blocking Control 3.6 Field Test Results Show that the Adaptability of Thin Layer Surface Agent Flooding is Good 4 Conclusion References Research and Field Application of Injection-Production Stratified Process Pipe String Technology for Screw Pump Wells in the Same Well 1 Introduction 2 Downhole Oil-Water Separation and Injection-Production Technology in the Same Well 2.1 The Principle of the Same Well Injection-Production Technology 2.2 Process Characteristics 2.3 Difficulties in the Requirements of the Injection-Production Layered String in the Same Well 3 The Pipe String Structure of the Same Well Injection-Production Layering Process 3.1 Adopt the Upper Injection and Lower Process 3.2 Take Down and Bet up Process 4 Main Supporting Tools 4.1 Y215 Packer 4.2 Y443 Drillable Packer 4.3 Dispenser 4.4 Anti-topping Y111 Packer 4.5 String Radial Stabilizer 5 Field Application 6 Conclusion References Study on Optimization Method of Structural Parameters About Jetting and Helical Combination Drain Tool 1 Introduction 2 Structure Principle of Jet Swirl Compound Drain Tool 3 Calculation Method of Pressure Drop of Production Fluid in Wellbore Swirling Flow Field 3.1 Pressure Drop Model for a Fluid Passing Through a Jet Cyclone Compound Drain Tool 3.2 Pressure Drop Model of the Production Fluid After the Injection of the Cyclone Composite Drain Tool 3.3 The Total Pressure Drop Model of Production Fluid in Wellbore Swirling Flow Field and Its Experimental Verification 4 Optimization of Structure Parameters About Jet Cyclone Compound Drain Tool 4.1 Optimization Objective 4.2 Optimization Method 5 Field Example and Application Effect Analysis 6 Main Conclusions and Recommendations References Mechanism Analysis of Nano-magnetic Fluid Displacing Crude Oil 1 Introduction 2 Composition and Characteristics of Nano-magnetic Fluid 3 The Mechanism of Nano-magnetic Fluid 3.1 Directional Force of Magnetic Field 3.2 Wettability Alteration 3.3 Interfacial Tension Reduction 4 Nano-magnetic Fluid Flooding Experiments [21] 4.1 Nano-magnetic Fluid Flooding in Heterogeneous Parallel Plate Model 4.2 Nano-magnetic Fluid Flooding in Fractured Parallel Plate Model 5 Conclusions and Prospects References Study on Optimization of Plugging Position for Temporary Plugging and Diverting Fracturing 1 Introduction 2 The Mathematical Model 2.1 Fluid Flow Equation 2.2 Porous Media Fluid Flow 2.3 Rock Deformation 2.4 Fracture Initiation and Propagation 2.5 Extended Finite Element Method 2.6 Equation Solution 3 Simulation Results and Discussion 3.1 Assumption and Crack Propagation Model 3.2 Initiation Pressure 3.3 Fracture Propagation Path 4 Field Application and Verification 5 Conclusion References Application Research of Tracer Monitoring Technology After Fracturing in Horizontal Well 1 Introduction 2 The Principle and Process of Tracer 3 Tracer Dosage Design 4 Field Application Analysis 5 Conclusion References Evaluation of the Effects of Nano-asphalt on Drilling Mud Properties and Its Impact Shale Stability 1 Introduction 2 Experimental Work 2.1 Materials 2.2 Methods 3 Results and Discussions 3.1 Effect on Rheological Properties 3.2 Effect on Fluid Loss 3.3 Hot Rolling Shale Dispersion Test 3.4 Effect on Clay Swelling 4 Conclusions References Analysis of Historical Production Data for Reservoir Performance Prediction of X Oil Field 1 Introduction 2 Methodology and Experimental Setup 3 Results and Discussion 3.1 Calculation 3.2 Selection of the Representative Model 3.3 Forecasting Well Performance 3.4 Economic Analysis 3.5 Environmental Impact 4 Conclusion References Estimation of Bottom-Hole Temperature Based on Machine/Deep Learning 1 Introduction 1.1 Background 1.2 Literature Review 2 Methodology 2.1 General Workflow 2.2 Dataset Visualization and Preprocessing 3 Model Results and Verifications 3.1 Prediction BHT by Analytical Calculation 3.2 Prediction of BHT by Regression Models 3.3 Prediction of BHT Based on Artificial Neural Network (ANN) 4 Analytical Methods and Machine Learning Models Comparison 5 Conclusions References Fishbone Technology for Completing Unconventional Reservoir 1 Introduction 2 Fishbone Laterals Stimulation 2.1 Multilateral Stimulation Jetting Technology (MSJT) 2.2 Multilateral Drilling Stimulation Technology (MDST) 3 Technical Advancement of Multilaterals (TAML) Configuration 4 Case Study Review 4.1 Fishbone Completes Two Stimulation Job for Aker BP 4.2 Fishbone Drilling Technology Installed in a Horizontal Well in the Norwegian Sea 5 Conclusion References Operations and Equipment of Well Drilling 1 Introduction 2 Methodology 2.1 Types of Well Drilling 2.2 Main Component Parts of a Rotary Rig (Systems) 3 Results 4 Conclusion References Analysis and Investigation of the Effects of Particle Size and Concentration on Sand Screen Erosion Prediction and Modelling 1 Introduction 2 Methodology 2.1 Design of Experiments (DOE) 2.2 Data and Model Description 2.3 Multilevel Factorial Design 3 Results and Discussion 3.1 Particle Size and Particles Concentration Effects 3.2 Sensitivity of the Empirical Model Application to the Matching Factor 3.3 Comparisons and Evaluation 4 Conclusion and Recommendations References The Movement and Force Analysis of Temporary Plugging Ball for Perforated Holes in Directional Well 1 Background 2 Temporary Blocking Ball Running Equation 3 Force Analysis of Temporary Blocking Ball 4 Analysis of Factors Affecting Ball Setting 5 Conclusions References Discussion on Artificial Intelligence Oil Production Technology of Rod Pumped Well 1 Oil Well Control Model 2 Pump Efficiency Calculation Network Model 3 System Composition and Function 4 Application 5 Conclusion References Study on Cross Layer Plugging Technology for Injection Well 1 Design of Cross Layer Down Flow Plugging Process String for Verifiable Sealing 2 Development of Verifiable Packer 2.1 Structure Design of Verifiable Packer 2.2 Laboratory Setting Test of Verifiable Packer 2.3 Pressure Test of the Verifiable Packer 3 Field Test 4 Conclusion References Research and Practice of Integrity Evaluation Technology for Deep Gas Wells 1 Introduction 2 Risk Evaluation Index System 3 Risk Assessment Model 3.1 Establishment of Risk Matrix Chart 3.2 Calculation Method of Failure Possibility and Consequence Severity 4 Integrity Detection Technology Selection 4.1 Principles of Noise Logging 4.2 Instance Analysis of Integrity Risk Assessment 5 Conclusion References An Intelligence ROP Optimization Method for Horizontal Well Drilling 1 Introduction 1.1 Background 1.2 Intelligence Method 2 Data Preparation 2.1 Data Background 2.2 Data Pre-processing 2.3 Data Analysis 3 Experiment and Test 3.1 Factorial to Degree Analysis of the Datasets 3.2 Neural Network ROP Prediction Model 3.3 Comparison and Analysis 4 Conclusion References Research and Application of Downhole Oil-Water Separation and Injection Production Technology in the Same Well 1 Downhole Oil Water Separation and Injection Production Technology in The Same Well 1.1 Pipe String Composition 1.2 Hydrocyclone 1.3 Supporting Technology 2 Combining Reservoir Engineering to Reconstruct Displacement Relationship 2.1 Well Network Displacement Relationship 2.2 Reconstruction of Displacement Relationship 3 Field Application 3.1 Test Purpose 3.2 Well Selection Conditions 3.3 Block Overview 3.4 Test Scheme 3.5 Test Effect 4 Conclusions References Local Materials Drilling Mud: A Laboratory Approach 1 Introduction 2 Methodology 3 Results 4 Conclusion References Evaluation of Dry Friction Reducers for Slickwater Fracturing at an Elevated Temperature 1 Introduction 2 Experimental 2.1 Materials 2.2 Methods 3 Results and Discussion 3.1 Hydration Time 3.2 Viscosity of Friction Reducer Solutions 3.3 Flowback Rate 3.4 Friction Reduction 4 Conclusions References Research and Application of Adaptive Control Method for Managed Pressure Drilling 1 Preface 2 Technical Analysis 2.1 Exponential Closed-Loop Control Method 2.2 Control Ideas and Steps 2.3 Control Analysis 3 Practical Testing and Field Application 3.1 Hard Redundancy Fine Managed Pressure Drilling System 3.2 Actual Testing 3.3 Field Application 4 Conclusion References Development and Application of Foam Generator for Low Pressure Loose Sandstone Gas Well 1 Introduction 2 Analysis of Low Foaming Rate of Conventional Sand Washing 3 Flow Pattern Analysis of Conventional Sand Washing Medium 4 The Derivation of Prato’s Theorem 5 Coiled Tubing Foam Generation Device 5.1 Design Idea of Coiled Tubing Foam Generator 5.2 Design Method for Coiled Tubing Foam Generator 5.3 Coiled Tubing Foam Generating Device Processing 5.4 Pressure Test of Coiled Tubing Foam Generator 6 Evaluation Experiment of Coiled Tubing Foam Generator 6.1 Experimental Objective 6.2 Foaming Ability and Sand Carrying Ability Test 6.3 Conclusions of the Experiments 7 Application of Coiled Tubing Foam Generation Device in Sebei Gas Field 7.1 Reservoir Characteristics of Sebei Gas Field 7.2 Application Adaptability Analysis of Coiled Tubing Foam Generation Device 7.3 Typical Well Construction Analysis 7.4 Analysis of the Operation Results 8 Conclusion References Oil and Gas Storage and Transportation and Flow Assurance Analysis of Remaining Strength and Failure of Submarine Pipeline with Double-Point Corrosion Defects 1 Preface 2 Numerical Model of Submarine Pipeline with Corrosion Defects 2.1 Construction of Pipe Characteristics and Geometric Model 2.2 Unit Division 2.3 Boundary Conditions and Applied Loads 2.4 Failure Judgment Criteria 3 Results and Discussion 3.1 Submarine Pipeline with Internal and External Double-Point Corrosion Defects 3.2 Submarine Pipeline with Axially Adjacent Double-Point External Defects 3.3 Submarine Pipeline with Circumferentially Adjacent Double-Point External Defects 4 Conclusion References Brief Analysis of New Lightning Current Detection Technology for Oil Tank 1 The Research Background and Significance 2 Research Status at Home and Abroad 3 Accurate Positioning of Single Storage Tank by Lightning Strike 4 Standard Lightning Current Analysis and Detection Sensor Selection 4.1 Analysis of 10/350 μs, Standard Lightning Current 4.2 Rogowski Coil Sensor 5 Lightning Current Sampling Design 6 Complete Machine Experiment 7 Conclusion References An Optimized Design of Jet Pig Used for Gas Pipeline Pigging 1 Introduction 2 Mathematic Model 2.1 Physical Property of Mixed Gas 2.2 Governing Equations 2.3 Discretization Scheme Calculations of Governing Equations 3 Calculation Thinking and Parameter 3.1 Calculation Thinking 3.2 Design Parameter 4 Simulation and Analysis 4.1 Establish Gridding Model 4.2 Illustration of the Motion Grid Model 4.3 The Diagram of the Control Situation in Calculation Process 4.4 Calculation and Analysis 5 Structural Optimization and Industry Experiment 5.1 Structural Optimization 6 Conclusion References Research on On-line Nondestructive Testing Method of Pipeline Erosion Based on Electromagnetic Field 1 Preface 2 Text 2.1 Research Object 2.2 Theoretical Research on Erosion and Corrosion Mechanism of Oil and Gas Pipelines 2.3 Principle of Electromagnetic Induction 2.4 The Influence of Iron Loss on Excitation Impedance 2.5 The Influence of Excitation Impedance on the Change of Magnetic Induction Amplitude and Phase 3 Design and Test of Detection Device 3.1 Design of Detection Device 3.2 Physical Experiment and Observation 3.3 Other Verification Methods 4 Conclusion and Discussion 4.1 Conclusion 4.2 Discussion References Effect of Cyclone on Purification and Separation Performance of Supersonic Separator 1 Introduction 2 Geometric Model 3 Continuous Phase Numerical Model 3.1 Governing Equation 3.2 Turbulence Model 3.3 Boundary Conditions 3.4 Solution Algorithm 3.5 Grid Generation and Independence Verification 3.6 Validation 4 Discrete Phase Model 4.1 Governing Equation 4.2 Turbulence Model and Boundary Conditions 5 Results and Discussion 5.1 Swirling Flow of Gas in the Separator 5.2 Effect of Cyclone Length 5.3 Effect of Blade Thickness 5.4 Effect of Blade Number 5.5 Effect of Blade Angle 6 Conclusions References Low Concentration Surfactant and Polymer Formulations for SP Injection at HTHS Condition 1 Introduction 2 Experimental 2.1 Materials 2.2 Surface and Rheology Property Measurement 2.3 Micromodel Displacement 3 Results and Discussion 3.1 Surface Property 3.2 Rheology Property 3.3 Micromodel Oil Displacement Test 4 Conclusions References Study on Particle Erosion Prediction of Elbows and Plugged Tees in Gas-Solid Flow 1 Introduction 2 Governing Equations 2.1 Continuous Phase Modeling 2.2 Discrete Phase Model 2.3 Particle Rebound Model 2.4 Erosion Prediction Model 3 CFD Modeling 3.1 Geometry and Grid 3.2 Simulation Conditions 3.3 Model Verification 4 Results and Discussion 4.1 Pressure and Velocity 4.2 Effect of the Particle Size 4.3 Effect of the Gas Velocity 4.4 Effect of the Plugged Section Length 5 Conclusion References Study and Application of Gathering and Transportation Limit at Low Temperature of Produced Fluid in Huabei Oilfield 1 Introduction 2 Field Test on Low Temperature Gathering and Transportation 2.1 Field Test Device and Method 2.2 Field Tests and Conclusions of Erlian in Alpine Region 3 Establishment of Regression Model for Adhering Characteristic Temperature in Alpine Region 3.1 Calculation of Adhering Characteristic Temperature in Alpine Area 3.2 Model Verification of Well 5# 4 Feasibility Analysis of Low Temperature Gathering and Transportation 4.1 Limit Prediction of Low Temperature Gathering and Transportation Temperature 4.2 Prediction of Maximum Gathering Radius 5 Prediction and Analysis of Energy Consumption for Low Temperature Gathering and Transportation 6 Conclusions References Mixture Design of Solvent for CO2-C2H6Azeotrope in Extractive Distillation 1 Introduction 2 Thermomechanical Analysis 2.1 Formation of CO2-C2H6Azeotrope 2.2 Principle of Separation 3 Experimental 3.1 Experimental Methods 3.2 Mixture Constraints of Components 3.3 Elaboration of Experiments 3.4 Statistical Analysis of Data 4 Results and Discussion 4.1 Analysis of ANOVA 4.2 Analysis of the Interaction 4.3 Optimization of Formulation 5 Conclusion References Sand Erosion in Subsurface and Surface Oil Production Components 1 Introduction 2 Sand Production and Sand Control 3 Sand Erosion 3.1 Sand Erosion of Sand Screens 3.2 Sand Erosion in Elbows 4 Conclusion References Research on Monitoring Method of Seal Leakage of Pumps Based on Image Recognition 1 Leakage Detection Method Based on Video Monitoring 2 Indoor Test 2.1 A Subsection Sample 2.2 Test Process 2.3 Test Results 2.4 Leakage Monitoring and Location Based on the Optical Flow Method and Three-Frame Difference Method 3 Test Conclusion References Intelligence and Information Technology Theoretical Study of In-phase Forwarding in Enhancing Underground Wireless Electromagnetic Relay Transmission 1 Introduction 2 Theory of In-phase Forwarding 3 In-phase Forwarding Simulation 3.1 In-phase Forwarding in Free Space 3.2 Research on In-phase Forwarding in Half Space 3.3 Research on In-phase Forwarding in Layered Uniform Space 3.4 Research on In-phase Transmission Under Oil Casing 3.5 Study on In-phase Transfer in Case of Drilling Fluid Medium in Casing 4 Conclusion References Feasibility Study on Recognition of Large Reservoir Fractures by Cross-Well Electromagnetic Detection Based on Neural Network 1 Introduction 2 Electromagnetic Forward Modeling Theory 2.1 Maxwell’s Equations 2.2 A Field of Uniform Medium 2.3 Integral Representation in Electromagnetic Forward Modeling 2.4 Three Dimensional Integral Equation Method 3 Simulation Module 4 Machine Learning Module 4.1 Simulated Manufacturing Dataset 4.2 Input Data of Neural Networks 4.3 Output Data of Neural Networks 4.4 Network Model Selection 4.5 Analysis of Experimental Results 5 Conclusion References Design and Implementation of Drilling Parameter Acquisition System Based on “Simulation Mode” 1 Perface 2 Design and Implementation of Drilling Parameter Acquisition System Based on “Simulation Mode” 2.1 Demand Analysis 2.2 Overall Structure Design of Drilling Rig Parameter Acquisition System Based on “Simulation Mode” 2.3 Functional Characteristics of Drilling Rig Parameter Acquisition System Based on “Simulation Mode” 2.4 Realization of Rig Parameter Acquisition System Based on “Simulation Mode” 3 Summary References Prediction of Octane Number Loss and Parameter Optimization in Gasoline Refining Process 1 Introduction 2 Data Processing 2.1 Data Preprocessing 2.2 Data Normalization 3 Variable Selection 3.1 Grey Relational Analysis 3.2 Partial Least Squares Regression Analysis (PLS) 4 RON Loss Prediction Model 5 RON Loss Prediction Model Optimized by Genetic Algorithm 6 Conclusion References Application of the Fourth-Generation Injection and Dynamic Monitoring Technology in Huabei Oilfield 1 Preface 2 Overview of Intelligent Dispensing Process 2.1 The Whole Process Monitoring and Automation Control Ideas 2.2 Improvement Measures for the Completion of the Fourth-Generation Split Injection 2.3 Verification of the Performance Indicators of the Fourth-Generation Dispensing Tool 2.4 The Fourth Generation of Key Technologies and Related Effects 3 Application Status and Effect Evaluation 3.1 Application 3.2 Effect Evaluation 4 Conclusions and Recommendations References Exploration and Research on Intelligent Maritime Safety Management for Offshore Oil in New Circumstances 1 Research Background 2 Necessity of Intelligent Maritime Safety Management for Offshore Petroleum 2.1 The Need of Comprehensively Managing and Controlling of Maritime Risk Sources and Solving Problems Encountered in Maritime Safety Management 2.2 The Need of Fulfilling Maritime Management Standardization and Enabling Maritime Safety Management to Realize the World-Leading Management 2.3 The Need of Advancing the Digital Transformation of State-Owned Enterprises and Constructing Intelligent Oilfields 3 Key Technical Routes of Intelligent Maritime Safety Management for Offshore Petroleum 3.1 Optimizing Technical Routes and Ensuring Scientific Intelligent Maritime Management 3.2 Improving Functional Modules and Enhancing Integrity of Intelligent Maritime Management 3.3 Deploying Implementation Paths and Enhancing the Effectiveness of Intelligent Maritime Management 4 Summarization and Prospect References A New Method for Geochemical Prediction of the Existence of Petroleum