7/29/2019 Acid Gas Injection
1/8
ContentsPrefaceAcknowledgementChapter 1 Introduction
1.1
1.21.3
1.4
1.51.6
1.71.8
1.9References
Acid G as1.1.1 Hy drogen Sulfide1.1.2 Carbon DioxideAnthropogenic CO,Flue Gas1.3.1 Sulfur Oxides1.3.2 Nitrogen OxidesStand ard Volumes1.4.1 Gas Volumes1.4.2 Liquid VolumesSulfur EquivalentSweetening Natural Gas1.6.1 Com bustion Process G as
1.6.1.1 Post-Combustion1.6.1.2 Pre-CombustionAcid Gas InjectionW ho U ses Acid G as Injection?1.8.1 W estern Ca nada1.8.2 United States1.8.3 Other Locations1.8.4 CO, FloodingIn Summary
Append ix 1A Ox ides of NitrogenAppendix 1B Oxides of Sulfurvii
xvxvii1234557888991112131414161617171818182022
http://25934_pref.pdf/http://25934_ack.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_01.pdf/http://25934_ack.pdf/http://25934_pref.pdf/7/29/2019 Acid Gas Injection
2/8
viii CONTENTSChapter 2 Hydrogen Sulfide and Carbon Dioxid e2.1 Properties of Carbon Dioxide
2.2 Properties of Hydrogen Sulfide2.3 Estimation Techniques for PhysicalProperties2.3.1 Thermodynamic Properties2.3.1.1 Ideal Gas2.3.1.2 Real Gas
Densities2.3.2.1 Liquids2.3.2.2 Corresponding States
2.3.2 Saturated Liquid and Vapor
2.3.3 Thermodynamic Properties2.3.4 Transport Properties2.3.4.1 Low Pressure Gas2.3.4.2 Gases Under Pressure2.3.4.3 Liquids2.3.5 Viscosity Charts2.4 Properties of Acid Gas Mixtures
2.4.1 Thermodynamic Properties2.4.2 Transport Properties2.4.3 Word of Caution
2.5 Effect of Hydrocarbons2.5.1 Density2.5.2 Viscosity
2.4.1.1 Corresponding States
2.6 InSummaryReferencesAppendix 2A Transport Properties of Pure Hydrogen
Sulfide2A.1 Viscosity2A.1.1 Liquid2.A.1.2 Vapor2A.2 Thermal Conductivity
ReferencesAppendix 2B Viscosity of Acid Gas Mixtures2B.1.1 Correcting for High Pressure
2B.1.2 Carbon Dioxide28.1.3 Generalization
23252731313133
3636373940404142434444454748505051515153535354555759595961
http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/7/29/2019 Acid Gas Injection
3/8
CONTENTS x2B.1.4 Mixtures2B.1.5 Final Comments
ReferencesAppendix 2C Equations of Stat?2C.l.l Soave-Redlich-Kwong Equation
of State2C.1.2 Peng-Robinson Equation of State2C.1.3 The Patel-Teja Equation of State
Chapter 3 Non-Aqueous Phase Equilibrium3.1 Overview3.2 Pressure-Temperature Diagrams
3.2.1 Pure Components3.2.2 Mixtures3.2.3 Binary Critical Points3.2.4 Effect of Hydrocarbons
3.2.4.1 Methane3.2.4.2 Ethane and Propane3.2.4.3 Butane and Heavier3.2.4.4 In Summary
3.3 Calculation of Phase Equilibrium3.3.1 Equations of State3.3.2 K-Factor Charts
3.4 InsummaryReferencesAppendix 3A Some Additional Phase Equilibrium
Calculations3A.l.l Hydrogen Sulfide+Hydrocarbons3A.1.2 Carbon Dioxide +Hydrocarbons3A.1.3 Multicomponent Mixtures
ReferencesAppendix 3B Accuracy of Equations of State for
VLE in Acid Gas MixturesReferencesChapter 4 Fluid Phase Equilibria Involving Water
4.1 Water Content of Hydrocarbon Gas4.2 Water Content of Acid Gas
4.2.1 Carbon Dioxide4.2.2 Hydrogen Sulfide
62636364646465696970707376777879808182828385858686878892969899100
101102103
http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_03.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/http://25934_02.pdf/7/29/2019 Acid Gas Injection
4/8
x CONTENTS4.2.3 Practical Representation
4.2.3.1 In Summary4.3 Estimation Techniques4.3.1 Simple Methods
4.3.1.1 Ideal Model4.3.1.2 McKetta-Wehe Chart4.3.1.3 Maddox Correction4.3.1.4 Wichert Correction4.3.1.5 Alami et al.
4.3.2 Advanced Methods4.3.2.1 AQUAlibrium4.3.2.2 Other Software
4.4 Acid Gas Solubility4.4.1 Henrys Law4.4.2 Solubility in Brine
4.4.2.1 Carbon Dioxide in NaCl4.4.2.2 Hydrogen Sulfide in NaCl4.4.2.3 Mixtures of Gases4.4.2.4 Effect of pH
4.5 InSummaryReferencesAppendix 4A Compilation of the Experimental
Data for the Water Content of Acid GasReferencesAppendix 4B Comments on the Work of Selleck et al.Appendix 4C Density of Brine (NaC1) SolutionsChapter 5 Hydrates
5.1 Introduction to Hydrates5.2 Hydrates of Acid Gases5.3 Estimation of Hydrate Forming Conditions
5.3.1 Shortcut Methods5.3.2 Rigorous Methods
5.4 Mitigation of Hydrate Formation5.4.1 Inhibition with Methanol5.4.2 Water-Reduced Cases
5.4.2.1 Carbon Dioxide5.4.2.2 Dehydration
106108108109109109110110111111111112113113115116116119119119120122124127129131131132135135136136136138139140
http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/http://25934_04.pdf/7/29/2019 Acid Gas Injection
5/8
CONTENTS i5.4.2.3 To Dehydrate or Not to
Dehydrate? -That is theQuestion!5.4.3 Application of Heat
5.4.3.1 Line Heaters5.4.3.2 Heat Tracing5.4.3.3 Final Comment
5.5 Excess Water5.6 Hydrates and AGI5.7 InsummaryReferences
Chapter 6 Compression6.1 Overview6.2 Theoretical Considerations6.3 Compressor Design and Operation6.4 Design Calculations6.4.1 Compression Ratio
6.4.2 Ideal Gas6.4.3 Efficiency6.4.4 Ratio of the Heat Capacities
6.5 Interstage Coolers6.5.1 Design6.5.2 Pressure Drop6.5.3 Phase Equilibrium6.6.1 Additional Cooling
6.6 Compression and Water Knockout6.7 Materials of construction6.8 Advanced design
6.8.1 Cascade6.8.2 CO, Slip6.9.1 Wayne-Rosedale6.9.2 Acheson6.9.3 West Pembina
6.9 Case studies
6.10 In SummaryReferencesAppendix 6A Additional Calculations
141142142142142142143143143145145148148149150151157158159160164164167171172172172173174174175175175176177
http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_06.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/http://25934_05.pdf/7/29/2019 Acid Gas Injection
6/8
xii CONTENTSChapter 7 Dehydration of Acid Gas
7.1 Glycol Dehydration7.1.1 Acid Gas Solubility7.1.2 Desiccant
7.2 Molecular Sieves7.2.1 Acid Gas Adsorption
7.3 Refrigeration7.3.1 Selection of Inhibitor
7.4 Case Studies7.4.1 CO, Dehydration7.4.2 Acid Gas Dehydration
7.4.2.1 Wayne-Rosedale7.4.2.2 Acheson
7.5 InsummaryReferences
Chapter 8 Pipeline8.1 Pressure Drop8.1.1 Single Phase Flow
8.1.1.1 Friction Factor8.1.1.2 Additional Comments
8.1.2 Two-Phase Flow8.1.3 Transitional Flow8.2.1 Carroll's Method
8.2 Temperature Loss8.3 Guidelines8.4 Metering8.5 Other Considerations8.6 InSummary
ReferencesAppendix 8A Sample Pipeline Temperature Loss
Calculation8A.1 AQUAlibrium 3.0
8 A . l . l Acid Gas Properties8A.1.1.1 Conditions
18318418518718919119219319419419519519519619619919919920220420520520620620720820921021021121 221 2212
8A.1.1.2 Component Fractions 2128A.1.1.3 Phase properties 2128A.1.1.4 Warnings 212
http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_08.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/http://25934_07.pdf/7/29/2019 Acid Gas Injection
7/8
CONTENTSxiiiChapter 9 Injection Profiles
9.1.1 Gases9.1 Calculation of Injection Profiles
9.1.1.1 Ideal Gas9.1.1.2 Real Gas9.1.2 Liquids9.1.3 Supercritical Fluids9.1.4 Friction9.1.5 AGIProfile9.2 Effect of Hydrocarbons9.3 Case Studies9.3.1 Chevron Injection Wells
9.3.1.1 West Pembina9.3.1.2 Acheson9.3.2 Anderson Puskwaskau
9.4 Other Software9.5 InsummaryReferences
Appendix 9A Additional ExamplesChapter 10 Selection of Disposal Zone
10.1 Containment10.1.1 Reservoir Capacity10.1.2 Caprock10.1.3 Other Wells10.2.1 Liquid Phase10.2.2 Gas Injection10.2.3 Fracturing10.2.4 Horizontal Wells
10.2 Injectivity
10.3 Interactions With Acid Gas10.4 In Summary
ReferencesChapter 11 Health, Safety and The Environment
11.1 Hydrogen Sulfide11.1.1 Physiological Properties11.1.2 Regulations11.1.3 Other Considerations
215215216216217220221221221224228228229230232232232232234239239240240241241241244245245245246246247247248248249
http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_10.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/http://25934_09.pdf/7/29/2019 Acid Gas Injection
8/8
xiv CONTENTS11.2 Carbon Dioxide11.2.1 Physiological Properties
11.2.2 Climate Change11.2.3 Other Considerations11.3.1 Accidental Releases11.3.2 Planning Zones11.3.3 Other Considerations
11.3.3.1 Sour vs. Acid Gas11.3.3.2 Wind11.3.3.3 Carbon Dioxide11.3.3.4 Sensitive Areas
11.3 Emergency Planning
ReferencesChapter 12 Capital Costs12.1 Compression12.1.1 Reciprocating Compressor
12.1.2 Centrifugal12.2 Pipeline12.3 Wells12.4 In SummaryReferencesChapter 13 Additional Topics
13.1 Rules of Thumb13.1.1 Physical Properties13.1.2 Water Content13.1.3 Hydrates13.1.4 Compression13.1.5 Pipelines13.1.6 Reservoir13.2.1 Pressure-Temperature13.2.2 Water Content13.2.3 Operation13.2.4 Summary
13.3 The Three Types of Gas13.3.1 Example Gases
13.2 Graphical Summary
Index
249249250250250250251255255256256256256257257258259259260261261263263263264264264265266266266268269270270270275
http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_indx.pdf/http://25934_indx.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_13.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_12.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/http://25934_11.pdf/