頁巖水力壓裂誘發(fā)套管變形機理和防控技術（英文版）
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- 作者：陳朝偉
- 出版時間：2025/5/1
- ISBN：9787030817457
- 出 版 社：科學出版社
- 中圖法分類：TE931
- 頁碼：218
- 紙張：
- 版次：1
- 開本：B5
隨著頁巖油氣的大規(guī)模開發(fā)，壓裂誘發(fā)套管變形問題非常突出。本書將系統介紹作者近年來基于儲層地質力學、套管變形力學、水力壓裂力學而建立的套管變形地質工程一體化防控技術。內容包括流體通道-斷層激活模型和套管變形機理、流體通道類型和形成條件、套管變形風險預測技術、基于微地震和壓裂施工曲線的套管變形預警技術、 基于水力壓裂模擬的套管變形控制技術以及“以柔克剛”的套管變形預防理念及技術等。
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1.鉆完井工程地質力學建模技術及應用，中國石油天然氣集團公司科技進步二等獎，2014年，排名第1
Contents
1 Introduction 1
1.1 Overview of Shale Gas Development in Sichuan 1
1.2 Main Technologies for Shale Gas Development in Sichuan 3
1.3 Deformation of Shale Gas Casing and Its Influence in Sichuan 7
1.4 Research Status of Casing Deformation for Sichuan Shale Gas 11
1.4.1 Influence of Temperature Stress on Casing
Deformation 12
1.4.2 Influence of Asymmetric Fracturing on Casing Deformation 12
1.4.3 Influence of Cementing Quality on Casing Deformation 13
1.4.4 Influence of Fault Slip on Casing Deformation 14
1.5 Summary 16
References 16
2 Causes and Mechanisms of Casing Deformation 19
2.1 Shape Features of Casing Deformation 19
2.2 Analysis on Geological and Engineering Causes of Casing Deformation 24
2.2.1 Analysis on Geological Cause of Casing Deformation 28
2.2.2 Analysis on Engineering Cause of Casing Deformation 30
2.3 Fluid Channel–Fault Activation Model and Casing Deformation Mechanism 33
2.4 Analysis of Fault/Fracture Activation Instances in Changning Block 36
2.4.1 Mechanical Conditions for Fault Activation 36
2.4.2 In-Situ Stress Characteristics in Changning, Sichuan 38
2.4.3 Shale Friction Coefficient 41
2.4.4 Fracture Zone Characteristics in Changning, Sichuan 43
2.4.5 Fracturing Treatment Pressure Characteristics of Changning Block 44
2.4.6 Fracture Zone Activity Analysis of in Changning 46
2.5 Summary 52
References 53
3 Types and Forming Conditions of Fluid Channels 55
3.1 Mechanical Conditions for Formation of Bedding Channels 55
3.2 Analysis of Mechanical Conditions and Influencing Factors for Formation of Sidewall Channels 58
3.2.1 Mechanical Model of Casing–cement Sheath–surrounding Rock System Under
Internal Pressure 59
3.2.2 Stress Analysis and Microannulus Solution While Unloading the Internal Pressure of Casing 67
3.2.3 Experimental Verification 69
3.2.4 Analysis of Influencing Factors 72
3.2.5 Conclusions 76
3.3 Field Case Analysis of Sidewall Channel 77
3.4 Summary 84
References 84
4 Assessment and Prediction of Fault/Fracture Slip Risk 87
4.1 Quantitative Estimation of Fault Slip Risk Based on Differential Pressure 87
4.2 QRA Fault/Fracture Slip Risk Assessment 91
4.3 Fault/Fracture Slip Risk Assessment for Well Ning 201-H1 93
4.4 Fault Slip Risk Assessment for the H19 Pad in the Ning 201
Well Block 97
4.5 Risk Assessment and Prediction of Fault Slip in the Ning 209
Well Block 105
4.5.1 Project Background 105
4.5.2 Fault/Fracture Identification 106
4.5.3 Characteristics of In-Situ Stress Distribution 108
4.5.4 Fault Slip Risk Assessment 110
4.5.5 Analysis Results 114
4.6 Summary 115
References 117
5 Quantitative Analysis Technique of Fault Slippage and Casing Deformation 119
5.1 The Calculation Method of Casing Deformation 119
5.2 The Relationship Between Casing Deformation and the Scale of Fault/Fracture 121
5.3 Method for Calculating Fault Slippages at Different Positions 125
5.3.1 Fault Slip Displacement Calculation Method 125
5.3.2 Application of Fault Slip Volume Analysis in Well Ning 201-H1 127
Contents xiii
5.3.3 Application of Fault Slip Magnitude Analysis in Changning H19 Pad 131
5.4 Summary 138
References 138
6 Casing Deformation Early Warning Technology 139
6.1 Introduction 139
6.2 Microseismic Temporal and Spatial Characteristics of Casing-DeformedWells 139
6.3 Microseismic B Value Characteristics of Casing-Deformed Wells 143
6.4 Seismic Source Model-Based Theoretical Analysis 146
6.5 Fracturing Curve Characteristics of Casing-Deformed Wells 148
6.6 Casing Deformation Early Warning Method Based on Microseismic Data and Fracturing Treatment Parameters 151
6.7 Field Case of Casing Deformation EarlyWarning 154
6.8 Conclusions 160
References 161
7 Casing Deformation Control Technology 163
7.1 Impacts of Injection Rate and Fluid Viscosity on Fault Slippage 164
7.1.1 Model Creation 164
7.1.2 Simulation Results and Verification 167
7.1.3 Analysis of Parameter Impacts 171
7.2 Impacts of Pump Rate and Injected Fluid Volume on Fault Activation 175
7.2.1 Creation of Fracture Model 175
7.2.2 Creation of In-Situ Stress Model 176
7.2.3 Hydraulic Fracturing Simulation and Verification 176
7.2.4 Operation Parameter Sensitivity Analysis 180
7.2.5 Discussions and Conclusions 186
7.3 Impact of Multi-Cluster Perforation on Fault Activation 187
7.4 Field Application Results 190
7.5 Summary 191
References 192
8 Casing Deformation Prevention Technology 193
8.1 Existing PreventionMeasures and Effects 193
8.2 Interaction Model Between Fault Slip and Casing 194
8.2.1 Structural Characteristics of the Shale Rock Mass of the Longmaxi Formation 196
8.2.2 Interaction Pattern Between Casing and Stratum 198
8.3 The Numerical Model of Casing Shear Deformation Caused by Slip of Fractured Block 200
8.3.1 Finite Difference Model of Stratum–cement Sheath–casing 201
xiv Contents
8.3.2 Phased Simulation of Casing Deformation Caused by Fault Slip 202
8.3.3 Model Validation 204
8.4 Analysis of Influencing Factors of Casing Deformation 206
8.4.1 The Distribution Pattern of Casing Deformation and Stress 206
8.4.2 Influence of Casing Steel Grade 207
8.4.3 Influence of Casing Wall Thickness 209
8.4.4 Influence of Young’s Modulus of Well Cement 209
8.4.5 Influence of Cement Sheath Thickness 210
8.5 Techniques for Prevention of Casing Deformation 211
8.5.1 Adding Elastic Material to Cement Slurry 211
8.5.2 Expanded Rubber Composite Casing 214
8.6 Summary 218
References 218
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