Contributors |
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xv | |
Preface |
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xvii | |
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1 Gas Shale: Global Significance, Distribution, and Challenges |
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1 | (20) |
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1 | (1) |
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1 | (3) |
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2 | (1) |
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1.2.2 Characteristics of a Producing Shale Gas Play |
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3 | (1) |
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1.3 The Significance of Shale Gas |
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4 | (1) |
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1.4 Global Shale Gas Resources |
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5 | (2) |
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1.4.1 Sources of Information |
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5 | (1) |
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1.4.2 Resource Estimation Methodologies |
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5 | (2) |
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7 | (4) |
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7 | (1) |
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7 | (1) |
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7 | (1) |
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1.5.4 Southern South America |
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7 | (1) |
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8 | (1) |
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8 | (1) |
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8 | (1) |
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8 | (1) |
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9 | (1) |
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9 | (1) |
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9 | (1) |
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9 | (1) |
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9 | (1) |
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9 | (1) |
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10 | (1) |
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10 | (1) |
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1.5.17 Eastern Europe (Outside of Poland) |
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10 | (1) |
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1.5.18 Germany and Surrounding Nations |
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10 | (1) |
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1.5.19 The United Kingdom |
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10 | (1) |
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1.5.20 Northern South America |
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11 | (1) |
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11 | (1) |
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11 | (2) |
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11 | (1) |
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11 | (1) |
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1.6.3 Depositional Environment |
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12 | (1) |
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12 | (1) |
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13 | (1) |
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13 | (1) |
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1.7.1 Environmental Challenges |
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13 | (1) |
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1.7.2 Commercial/Economic |
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14 | (1) |
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14 | (1) |
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15 | (6) |
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Appendix A.1 Global Shale Gas Resource Data |
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16 | (5) |
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2 Organic Matter-Rich Shale Depositional Environments |
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21 | (26) |
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21 | (2) |
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2.2 Processes Behind the Deposition of Organic Matter-Rich Shale |
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23 | (2) |
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2.2.1 Processes Behind the Transport and Deposition of Mud |
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23 | (1) |
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2.2.2 Production, Destruction, and Dilution: The Many Roads to Black Shale |
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23 | (2) |
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2.3 Stratigraphic Distribution of Organic Matter-Rich Shales |
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25 | (2) |
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2.4 Geographic Distribution of Organic Matter-Rich Shales |
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27 | (7) |
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27 | (3) |
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2.4.2 Controls on the Geographic Distribution of Black Shales |
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30 | (4) |
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2.5 Organic Matter-Rich Shale Depositional Environments |
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34 | (5) |
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2.5.1 Continental Depositional Environments |
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34 | (2) |
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2.5.2 Paralic Depositional Environments |
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36 | (1) |
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2.5.3 Shallow Marine Depositional Environments |
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37 | (1) |
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2.5.4 Deep Marine Depositional Environments |
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38 | (1) |
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39 | (8) |
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3 Geochemical Assessment of Unconventional Shale Gas Resource Systems |
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47 | (24) |
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47 | (2) |
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3.2 Objective and Background |
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49 | (1) |
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3.3 Kerogen Quantity and Quality |
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49 | (2) |
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3.4 Sample Type and Quality |
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51 | (1) |
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3.5 Kerogen Type and Compositional Yields |
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52 | (2) |
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54 | (1) |
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3.7 Organoporosity Development |
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55 | (2) |
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57 | (1) |
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3.9 Expulsion--Retention of Petroleum |
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57 | (1) |
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3.10 Secondary (Petroleum) Cracking |
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58 | (1) |
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3.11 Upper Maturity Limit for Shale Gas |
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58 | (1) |
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3.12 Gas Composition and Carbon Isotopes |
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59 | (2) |
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3.13 Additional Geochemical Analyses for Shale Gas Resource System Evaluation |
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61 | (2) |
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3.14 Oil and Condensate with Shale Gas |
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63 | (1) |
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3.15 Major Shale Gas Resource Systems |
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64 | (1) |
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65 | (6) |
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4 Sequence Stratigraphy of Unconventional Resource Shales |
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71 | (18) |
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71 | (1) |
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4.2 General Sequence Stratigraphic Model for Unconventional Resource Shales |
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71 | (1) |
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4.3 Ages of Sea-Level Cycles |
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72 | (1) |
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4.4 Water Depth of Mud Transport and Deposition |
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73 | (1) |
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4.5 Criteria to Identify Sequences and Systems Tracts |
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74 | (1) |
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4.6 Paleozoic Resource Shale Examples |
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74 | (6) |
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4.6.1 Barnett Shale (Devonian) |
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74 | (1) |
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4.6.2 Woodford Shale (Late Devonian--Early Mississippian) |
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74 | (4) |
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4.6.3 Marcellus Shale (Devonian) |
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78 | (1) |
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4.6.4 New Albany Shale (Upper Devonian--Lower Mississippian) |
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78 | (2) |
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4.7 Mesozoic Resource Shale Examples |
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80 | (3) |
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4.7.1 Montney Formation (Early Triassic) |
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80 | (1) |
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4.7.2 Haynesville/Bossier Shales (Late Jurassic) |
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80 | (1) |
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4.7.3 Eagle Ford Formation (Cretaceous) |
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80 | (2) |
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4.7.4 LaLuna Formation (Upper Cretaceous) |
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82 | (1) |
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4.8 Cenozoic Resource Shale Example |
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83 | (1) |
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84 | (1) |
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84 | (5) |
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5 Pore Geometry in Gas Shale Reservoirs |
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89 | (28) |
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89 | (1) |
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5.1.1 Gas Shales and Their Challenges |
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89 | (1) |
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5.1.2 Pore Size Classification |
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90 | (1) |
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5.2 Samples Characteristics |
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90 | (1) |
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90 | (1) |
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5.2.2 Mineral Composition |
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90 | (1) |
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5.3 Experimental Methodology |
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91 | (4) |
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5.3.1 Capillary Pressure Profile |
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91 | (1) |
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5.3.2 Nitrogen Adsorption (N2) |
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92 | (1) |
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92 | (1) |
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5.3.4 Image Acquisition and Analysis |
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93 | (2) |
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5.4 Advantages and Disadvantages of Experimental PSD Methods |
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95 | (1) |
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5.5 Permeability Measurement |
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95 | (1) |
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96 | (7) |
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5.6.1 Pore Size Distribution from MICP Experiments |
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96 | (2) |
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5.6.2 Pore Size Distribution from Nitrogen Adsorption Experiments |
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98 | (1) |
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5.6.3 NMR T2 Relaxation Time |
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98 | (2) |
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5.6.4 Scanning Electron Microscopy |
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100 | (1) |
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5.6.5 Focused Ion Beam/Scanning Electron Microscopy |
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100 | (2) |
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5.6.6 Capillary Pressure and Permeability |
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102 | (1) |
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103 | (9) |
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5.7.1 Porosity and PSD Comparisons |
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103 | (1) |
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5.7.2 Interchanging MICP with NMR Data |
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103 | (4) |
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5.7.3 Pore-Body to Pore-Throat Size Ratio: Pore Geometry Complexity |
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107 | (1) |
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5.7.4 Pore Throat Size and Permeability |
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107 | (1) |
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108 | (4) |
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112 | (5) |
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114 | (3) |
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6 Petrophysical Evaluation of Gas Shale Reservoirs |
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117 | (22) |
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117 | (1) |
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6.2 Key Properties for Gas Shale Evaluation |
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117 | (4) |
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6.2.1 Pore System Characteristics |
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117 | (1) |
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6.2.2 Organic Matter Characteristics |
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118 | (1) |
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118 | (1) |
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6.2.4 Gas Storage Capacity |
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119 | (1) |
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120 | (1) |
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6.2.6 Geomechanical Properties |
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120 | (1) |
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6.3 Petrophysical Measurements of Gas Shale Reservoirs |
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121 | (4) |
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6.3.1 Pore Structure Evaluation Techniques |
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121 | (1) |
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6.3.2 Fluid Saturation Measurement |
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122 | (1) |
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6.3.3 Permeability Measurement |
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123 | (1) |
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6.3.4 Adsorbed Gas Measurement |
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124 | (1) |
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6.4 Well Log Analysis of Gas Shale Reservoirs |
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125 | (14) |
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6.4.1 Well Log Signatures of Gas Shale Formations |
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125 | (3) |
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6.4.2 Well Log Interpretation of Gas Shale Formations |
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128 | (11) |
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7 Pore Pressure Prediction for Shale Formations Using well Log Data |
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139 | (30) |
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139 | (1) |
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139 | (1) |
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139 | (1) |
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7.2 Overpressure-Generating Mechanisms |
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140 | (6) |
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141 | (1) |
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7.2.2 Unloading Mechanisms (Fluid Expansion) |
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142 | (1) |
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7.2.3 World Examples of Overpressures |
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143 | (1) |
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7.2.4 Overpressure Indicators from Drilling Data |
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144 | (1) |
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7.2.5 Identification of Shale Intervals |
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144 | (2) |
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7.3 Overpressure Estimation Methods |
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146 | (5) |
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7.3.1 Overview of the Compaction Theory |
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146 | (1) |
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147 | (2) |
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7.3.3 Effective Stress Method |
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149 | (1) |
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150 | (1) |
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7.4 The Role of Tectonic Activities on Pore Pressure In Shales |
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151 | (9) |
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7.4.1 Geology of the Study Area |
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151 | (1) |
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7.4.2 Stress Field in the Perth Basin |
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152 | (2) |
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7.4.3 Pore Pressure in Tectonically Active Regions (Uplifted Areas) |
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154 | (1) |
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7.4.4 Pore Pressure in Tectonically Stable Regions |
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154 | (2) |
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7.4.5 Origins of Overpressure in Kockatea Shale |
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156 | (4) |
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160 | (5) |
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7.5.1 Significance of Pore Pressure Study |
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163 | (1) |
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7.5.2 Overpressure Detection and Estimation |
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163 | (1) |
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7.5.3 Pore Pressure and Compressional Tectonics |
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163 | (1) |
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7.5.4 Overpressure-Generating Mechanisms |
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164 | (1) |
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7.5.5 Overpressure Results Verifications |
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164 | (1) |
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165 | (4) |
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8 Geomechanics of Gas Shales |
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169 | (22) |
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169 | (1) |
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8.2 Mechanical Properties of Gas Shale Reservoirs |
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170 | (5) |
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8.2.1 Gas Shale Reservoir Properties under Triaxial Loading |
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170 | (1) |
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8.2.2 True-Triaxial Tests |
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171 | (1) |
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8.2.3 Gas Shale Reservoir Properties under Ultrasonic Tests |
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172 | (1) |
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8.2.4 Nanoindentation Tests on Gas Shale Plays |
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173 | (1) |
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174 | (1) |
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175 | (1) |
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8.3.1 Anisotropy in Gas Shale Reservoirs |
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175 | (1) |
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8.4 Wellbore Instability in Gas Shale Reservoirs |
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176 | (15) |
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8.4.1 Structurally Controlled Instability |
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177 | (1) |
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8.4.2 Instability Due to Directional Dependency of Geomechanical Parameters |
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178 | (6) |
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8.4.3 Time-Dependent Instability |
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184 | (7) |
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9 Rock Physics Analysis of Shale Reservoirs |
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191 | (16) |
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191 | (1) |
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9.2 Laboratory Measurements on Shales: Available Datasets |
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192 | (1) |
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9.3 Organic Matter Effects on Elastic Properties |
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192 | (3) |
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9.4 Partial Saturation Effects |
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195 | (2) |
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197 | (4) |
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9.6 Seismic Response of ORSs |
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201 | (2) |
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203 | (4) |
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10 Passive Seismic Methods for Unconventional Resource Development |
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207 | (38) |
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207 | (2) |
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10.2 Geomechanics and Natural Fracture Basics for Application to Hydraulic Fracturing |
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209 | (4) |
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10.2.1 Basics of Earth Stress and Strain |
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209 | (2) |
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10.2.2 Natural Fracture Basics and Interaction with Hydraulic Fractures |
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211 | (2) |
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213 | (3) |
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10.3.1 MEQs and Their Magnitudes |
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213 | (1) |
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10.3.2 Earthquake Focal Mechanisms |
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213 | (3) |
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10.3.3 Other Types of Seismic Activity Produced by Hydraulic Fracturing |
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216 | (1) |
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10.4 Microseismic Downhole Monitoring |
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216 | (6) |
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10.4.1 Downhole Monitoring Methodology |
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216 | (4) |
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10.4.2 Advantages and Disadvantages of Downhole Monitoring |
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220 | (2) |
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10.5 Monitoring Passive Seismic Emissions with Surface and Shallow Buried Arrays |
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222 | (13) |
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222 | (1) |
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10.5.2 Seismic Emission Tomography |
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223 | (6) |
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229 | (1) |
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10.5.4 Imaging Cumulative Seismic Activity |
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230 | (2) |
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10.5.5 Direct Imaging of Fracture Networks |
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232 | (1) |
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10.5.6 Comparison of Downhole Hypocenters and Fracture Images |
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232 | (1) |
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233 | (2) |
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10.6 Integrating, Interpreting, and Using Passive Seismic Data |
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235 | (6) |
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10.6.1 General Considerations |
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235 | (1) |
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10.6.2 Interpreting Reservoir Stress from Focal Mechanisms |
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236 | (4) |
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10.6.3 Fracture Width, Height, SRV, and Tributary Drainage Volume |
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240 | (1) |
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10.6.4 Using Passive Seismic Results for Frac, Well-Test, and Reservoir Simulation |
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240 | (1) |
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241 | (4) |
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11 Gas Transport Processes in Shale |
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245 | (22) |
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245 | (2) |
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11.2 Detection of Nanopores in Shale Samples |
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247 | (1) |
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11.3 Gas Flow in Micropores and Nanopores |
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248 | (3) |
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11.4 Gas Flow in a Network of Pores in Shale |
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251 | (1) |
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11.5 Gas Sorption in Shale |
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252 | (1) |
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11.6 Diffusion in Bulk Kerogen |
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253 | (2) |
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11.7 Measurement of Gas Molecular Diffusion into Kerogen |
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255 | (1) |
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11.8 Pulse-Decay Permeability Measurement Test |
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256 | (4) |
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11.8.1 Pulse-Decay Pressure Analysis |
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257 | (2) |
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11.8.2 Estimation of Permeability Parameters with the Pulse-Decay Experiment |
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259 | (1) |
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260 | (2) |
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11.9.1 Porosity Measurement |
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260 | (1) |
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11.9.2 Crushed Sample Pressure Analysis for Permeability Measurement |
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261 | (1) |
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11.9.3 Crushed Sample Permeability Estimation with Early-Time Pressure Data |
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262 | (1) |
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11.9.4 Crushed Sample Permeability Estimation with Late-Time Pressure Data |
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262 | (1) |
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11.10 Canister Desorption Test |
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262 | (5) |
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11.10.1 Permeability Estimation with Early Time Cumulative Desorbed Gas Data |
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263 | (1) |
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11.10.2 Permeability Estimation with Late-Time Cumulative Desorbed Gas Data |
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264 | (3) |
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12 A Review of the Critical Issues Surrounding the Simulation of Transport and Storage in Shale Reservoirs |
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267 | (16) |
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267 | (1) |
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12.2 Microgeometry of Organic-Rich Shale Reservoirs |
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268 | (1) |
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12.3 Gas Storage Mechanisms |
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269 | (1) |
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270 | (3) |
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12.5 Capillary Pressure, Relaxation to Equilibrium State, and Deposition of Stimulation Water |
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273 | (1) |
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12.6 Characterization of Fluid Behavior and Equations of State Valid for Nanoporous Media |
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274 | (3) |
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12.6.1 Viscosity Corrections |
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276 | (1) |
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12.6.2 Corrections for Interfacial Tension |
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277 | (1) |
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12.7 Upscaling Heterogeneous Shale-Gas Reservoirs into Large Homogenized Simulation Grid Blocks |
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277 | (3) |
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12.7.1 Upscaling Fine Continuum Model of Shale to Lumped-Parameter Leaky Tank Model of Shale |
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278 | (1) |
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12.7.2 Upscaling Finely Detailed Continuum Model of Shale to Coarse Continuum Model of Shale |
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279 | (1) |
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280 | (3) |
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13 Performance Analysis of Unconventional Shale Reservoirs |
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283 | (18) |
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283 | (1) |
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13.2 Shale Reservoir Production |
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283 | (1) |
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13.3 Flow Rate Decline Analysis |
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284 | (4) |
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13.3.1 Decline Curve Analysis in Unconventional Reservoirs |
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285 | (1) |
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13.3.2 Flow Rate Transient Analysis (RTA) and its Relation to Rate Decline Analysis |
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286 | (1) |
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13.3.3 Field Applications |
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287 | (1) |
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13.4 Flow Rate and Pressure Transient Analysis in Unconventional Reservoirs |
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288 | (4) |
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13.4.1 Bilinear Flow Regime in Multistage Hydraulic Fracturing |
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288 | (1) |
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13.4.2 Linear Flow Analysis for Reservoir Permeability |
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289 | (1) |
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13.4.3 Field Applications |
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290 | (1) |
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13.4.4 Type-Curve Matching |
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290 | (2) |
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13.5 Reservoir Modeling and Simulation |
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292 | (3) |
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13.5.1 History Matching and Forecasting |
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292 | (1) |
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13.5.2 Dual-Porosity Single-Phase Modeling |
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293 | (1) |
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13.5.3 Dual-Porosity Multicomponent Gas Modeling |
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294 | (1) |
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13.6 Specialty Short-Term Tests |
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295 | (2) |
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295 | (1) |
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296 | (1) |
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13.7 Enhanced Oil Recovery |
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297 | (1) |
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298 | (3) |
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14 Resource Estimation for Shale Gas Reservoirs |
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301 | (24) |
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301 | (8) |
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14.1.1 Unique Properties of Shale |
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301 | (1) |
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14.1.2 Petroleum Resources Management System (PRMS) |
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301 | (1) |
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14.1.3 Energy Information Administration's Classification System |
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301 | (1) |
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14.1.4 Reserves Estimate Methodology for Unconventional Gas Reservoirs |
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302 | (1) |
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14.1.5 Monte Carlo Probabilistic Approach |
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302 | (1) |
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303 | (1) |
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303 | (1) |
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14.1.8 Region-Level World Shale Gas Resource Assessments |
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304 | (1) |
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14.1.9 Shale Gas OGIP Assessment in North America |
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305 | (1) |
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14.1.10 Recent Shale Gas Production and Activity Trends |
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306 | (2) |
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14.1.11 Drilling, Stimulation, and Completion Methods in Shale Gas Reservoirs |
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308 | (1) |
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309 | (1) |
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14.3 Resource Evaluation of Shale Gas Plays |
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310 | (10) |
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310 | (1) |
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14.3.2 Well Spacing Determination |
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310 | (1) |
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14.3.3 Reservoir Parameters Sensitivity Analysis |
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311 | (1) |
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14.3.4 Reservoir Parameters |
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312 | (1) |
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14.3.5 Model Verification |
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312 | (1) |
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14.3.6 Resource Assessment |
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313 | (5) |
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14.3.7 Reserve Evaluation |
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318 | (2) |
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320 | (5) |
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15 Molecular Simulation of Gas Adsorption in Minerals and Coal: Implications for Gas Occurrence in Shale Gas Reservoirs |
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325 | (16) |
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325 | (2) |
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15.1.1 Molecular Dynamics Simulation |
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325 | (1) |
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15.1.2 Major Challenges in Shale Gas Research |
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326 | (1) |
|
15.1.3 MS of Gas Adsorption |
|
|
326 | (1) |
|
15.1.4 Methodology and Workflow of Molecular Simulation |
|
|
327 | (1) |
|
15.1.5 Simulation Algorithms and Software |
|
|
327 | (1) |
|
15.2 MS of Gas Adsorption on Minerals |
|
|
327 | (10) |
|
15.2.1 MD Simulation of Gas Adsorption on Quartz |
|
|
328 | (2) |
|
15.2.2 Molecular Dynamic Simulation of Gas Adsorption on Wyoming-Type Montmorillonite |
|
|
330 | (2) |
|
15.2.3 MD Simulation of Gas Adsorption on Zeolite |
|
|
332 | (2) |
|
15.2.4 MD Simulation of Gas Adsorption on Coal |
|
|
334 | (3) |
|
|
337 | (4) |
|
16 Wettability of Gas Shale Reservoirs |
|
|
341 | (20) |
|
|
341 | (1) |
|
|
341 | (1) |
|
16.3 Imbibition in Gas Shales |
|
|
342 | (1) |
|
16.4 Factors Influencing Water Imbibition in Shales |
|
|
343 | (9) |
|
|
343 | (3) |
|
16.4.2 Depositional Lamination |
|
|
346 | (1) |
|
|
346 | (2) |
|
16.4.4 Water Film and Salt Crystals |
|
|
348 | (1) |
|
16.4.5 Water Adsorption (Clay Swelling) |
|
|
348 | (1) |
|
16.4.6 Connectivity of Hydrophobic and Hydrophilic Pore Networks |
|
|
349 | (2) |
|
16.4.7 Effect of Polymer and Surfactant |
|
|
351 | (1) |
|
16.5 Quantitative Interpretation of Imbibition Data |
|
|
352 | (2) |
|
16.5.1 Scaling Imbibition Data |
|
|
352 | (1) |
|
16.5.2 Modeling Imbibition Data |
|
|
352 | (2) |
|
16.6 Estimation of Brine Imbibition at the Field Scale |
|
|
354 | (2) |
|
16.7 Initial Water Saturation in Gas Shales |
|
|
356 | (1) |
|
|
356 | (5) |
|
17 Gas Shale Challenges Over The Asset Life Cycle |
|
|
361 | (20) |
|
|
361 | (1) |
|
17.2 The Asset Life Cycle |
|
|
361 | (1) |
|
17.2.1 Exploration Phase Objectives---Recommended Practices |
|
|
361 | (1) |
|
17.2.2 Appraisal Phase Objectives---Recommended Practices |
|
|
362 | (1) |
|
17.2.3 Development Phase Objectives---Recommended Practices |
|
|
362 | (1) |
|
17.2.4 Production Phase Objectives---Recommended Practices |
|
|
362 | (1) |
|
17.2.5 Rejuvenation Phase Objectives---Recommended Practices |
|
|
362 | (1) |
|
17.3 Exploration Phase Discussion |
|
|
362 | (3) |
|
17.3.1 Screening Study---Current Practice |
|
|
362 | (1) |
|
17.3.2 Screening Study Recommended Practices |
|
|
363 | (1) |
|
17.3.3 Reservoir Characterization---Current Practice |
|
|
363 | (1) |
|
17.3.4 Reservoir Characterization---Recommended Practices |
|
|
363 | (2) |
|
17.3.5 Determining Initial Economic Value and Reservoir Potential |
|
|
365 | (1) |
|
17.4 Appraisal Phase Discussion |
|
|
365 | (2) |
|
17.4.1 Drill Appraisal Wells---Current Practice |
|
|
365 | (1) |
|
17.4.2 Drill Appraisal Wells---Recommended Practices |
|
|
365 | (1) |
|
17.4.3 Build Reservoir Models for Simulation---Current Practice |
|
|
365 | (1) |
|
17.4.4 Build Reservoir Models for Simulation---Recommended Practices |
|
|
365 | (1) |
|
17.4.5 Generate a Field Development Plan---Current Practice |
|
|
366 | (1) |
|
17.4.6 Generate a Field Development Plan---Recommended Practices |
|
|
366 | (1) |
|
17.4.7 Validate Economics of the Play or Pilot Project |
|
|
366 | (1) |
|
17.5 Development Phase Discussion |
|
|
367 | (8) |
|
17.5.1 Implement the Field Development Plan |
|
|
367 | (1) |
|
17.5.2 Surface Facilities |
|
|
367 | (1) |
|
17.5.3 Design Wells and Optimize Drilling Costs---Current Practice |
|
|
367 | (1) |
|
17.5.4 Design Wells and Optimize Drilling Costs---Recommended Practice |
|
|
368 | (1) |
|
17.5.5 Refine and Optimize Hydraulic Fracturing and Wellbore Completion Design---Current Practices (Characterize the Lateral) |
|
|
369 | (1) |
|
17.5.6 Current Hydraulic Fracturing Practices |
|
|
369 | (1) |
|
17.5.7 Hydraulic Fracturing---Recommended Practices |
|
|
370 | (2) |
|
17.5.8 Characterize the Lateral |
|
|
372 | (1) |
|
17.5.9 Current Wellbore Completion Practice |
|
|
373 | (1) |
|
17.5.10 Wellbore Completion---Recommended Practices |
|
|
373 | (2) |
|
17.5.11 Drilling Considerations for Completion Methods |
|
|
375 | (1) |
|
17.5.12 Fracturing Considerations for Completion Method |
|
|
375 | (1) |
|
17.6 Production Phase Discussion |
|
|
375 | (1) |
|
17.6.1 Monitor and Optimize Producing Rates---Current Practice |
|
|
375 | (1) |
|
17.6.2 Monitor and Optimize Producing Rates---Recommended Practices |
|
|
375 | (1) |
|
17.6.3 Manage the Water Cycle---Recommended Practices |
|
|
376 | (1) |
|
17.6.4 Preventing Corrosion, Scaling, and Bacterial Contamination in Wells and Facilities |
|
|
376 | (1) |
|
17.6.5 Protecting the Environment |
|
|
376 | (1) |
|
17.7 Rejuvenation Phase Discussion |
|
|
376 | (1) |
|
17.8 Conclusions---Recommended Practices |
|
|
377 | (4) |
|
18 Gas Shale Environmental Issues and Challenges |
|
|
381 | (16) |
|
|
381 | (1) |
|
|
381 | (1) |
|
18.3 The Disposal and Reuse of Fracking Wastewater |
|
|
382 | (2) |
|
18.4 Groundwater Contamination |
|
|
384 | (2) |
|
|
386 | (1) |
|
|
387 | (1) |
|
18.7 Social Impacts on Shale Gas Communities |
|
|
388 | (1) |
|
18.8 Induced Seismicity: Wastewater Injection and Earthquakes |
|
|
388 | (1) |
|
18.9 Regulatory Developments |
|
|
389 | (1) |
|
18.10 Disclosure of Fracking Chemicals |
|
|
389 | (1) |
|
18.11 At the Federal Government Level |
|
|
390 | (1) |
|
|
391 | (6) |
Index |
|
397 | |