1 Drilling Fluids Conspectus 1
1.1 Drilling Fluid Circulating Systems and Auxiliary Equipment 1
1.2 Functions of Drilling Fluids 3
1.3 Composition of Drilling Fluids 12
1.4 The Main Properties and Maintenance of Drilling Fluids 14
1.5 Drilling Fluid Selection 23
1.6 Mud Handling Equipment 26
1.7 Field Tests and Pilot Testing of Drilling Fluids 27
2 Clay Chemistry 30
2.1 Drilling Clays 31
2.2 Bentonite Hydration Mechanism 35
2.3 Physical Properties of Bentonite Slurries 36
3 Rheology Of Drilling Fluids 41
3.1 Viscosity 41
3.2 Fluid Types 48
3.3 Rheological Models 51
3.4 Stages of Flow 57
4 Filtration Control 59
4.1 Introduction 59
4.2 Static Filtration 61
4.3 Dynamic Filtration 67
4.4 Fluid-Loss-Control Additives for Water-Base Drilling Fluids 68
4.5 Summary 72
5 Drilling Fluid Materials & Additives 74
5.1 Clays 74
5.2 Weighting Materials 74
5.3 Viscosifiers/Encapsulators 75
5.4 Fl Control Agents 77
5.5 Thinners 79
5.6 Shale Inhibitors 80
5.7 Gelling Agents 81
5.8 Lubricants 82
5.9 Detergents 83
5.10 Foaming Agents 83
5.11 Bactericides 83
5.12 Lost Circulation Materials 84
5.13 Pipe Free Agents 85
5.14 Corrosion Inhibitors 85
5.15 Defoamers 86
5.16 Emulsifiers 86
5.17 Oil Base Drilling Fluid Agents 87
5.18 Inorganic Chemicals 88
5.19 Others 89
6 Solids Control 90
6.1 Solids Contained In Drilling Fluid 90
6.2 Contents and Purposes of Solids Control 92
6.3 Solids Control Equipment 93
6.4 Arrangements of Solids Control Equipment System 100
7 Drilling Fluid Technology Against Drilling Downhole Problems 101
7.1 Lost Circulation and Treatment 101
7.2 Oil & Gas Well Pressure Control 115
7.3 Borehole Stability 122
7.4 Drill String Sticking 126
7.5 Contamination & Treatments of Water Base Drilling Fluids 132
8 Drilling Fluid Engineering Cases 138
8.1 Case 1 : Yinan-2 Well Drilling Fluid Design 138
8.2 Case 2 : Wendong No.13-65 Drilling Fluid Design 153
8.3 Case 3 : Daily Log Dachenzhuang * 1 Anhui Province 163
Appendix 175
Appendix A 175
Appendix B 182
参考文献 195