Contributors |
|
xiii | |
Preface |
|
xv | |
|
1 Introduction to Unconventional Hydrocarbon Resources |
|
|
1 | (44) |
|
|
|
|
1 | (1) |
|
1.2 Overview of Shale Revolution |
|
|
2 | (3) |
|
1.2.1 What Led to the Shale Phenomenon? |
|
|
3 | (1) |
|
1.2.2 Importance of Recent Unconventional Resource Discoveries |
|
|
4 | (1) |
|
1.3 Basic Definitions and Classifications |
|
|
5 | (3) |
|
1.3.1 Conventional and Unconventional Resources |
|
|
5 | (1) |
|
1.3.2 Unconventional Oil-Bearing Sediments |
|
|
6 | (1) |
|
1.3.3 Unconventional Natural Gas Resources |
|
|
6 | (2) |
|
1.4 Global Description of Unconventional Plays |
|
|
8 | (29) |
|
1.4.1 North America Unconventional Plays |
|
|
9 | (11) |
|
1.4.2 South America Unconventional Plays |
|
|
20 | (4) |
|
1.4.3 Europe Unconventional Plays |
|
|
24 | (6) |
|
1.4.4 Middle East Unconventional Plays |
|
|
30 | (1) |
|
1.4.5 Africa Unconventional Plays |
|
|
31 | (2) |
|
1.4.6 Asia Unconventional Plays |
|
|
33 | (3) |
|
1.4.7 Australia Unconventional Plays |
|
|
36 | (1) |
|
1.5 Unconventional Resources Interpretation Workflow |
|
|
37 | (1) |
|
1.5.1 Workflow of Unconventional Reservoirs |
|
|
37 | (1) |
|
1.6 Future Projection and Challenges |
|
|
38 | (1) |
|
|
39 | (1) |
|
|
39 | (6) |
|
|
40 | (1) |
|
|
40 | (5) |
|
2 Petrophysical Properties of Unconventional Reservoirs |
|
|
45 | (86) |
|
|
|
|
|
|
45 | (1) |
|
|
45 | (6) |
|
2.2.1 Evaluation of Rock Properties |
|
|
46 | (1) |
|
|
46 | (2) |
|
2.2.3 Gamma Ray Spectroscopy |
|
|
48 | (3) |
|
|
51 | (7) |
|
2.3.1 Lithology Measurements Using Cross-Plots |
|
|
52 | (1) |
|
2.3.2 Lithology Measurements Using a Combination of Logs |
|
|
53 | (4) |
|
2.3.3 Lithology Measurements Using the Diffuse Reflectance Infrared Fourier Transform Spectroscopy Techniques |
|
|
57 | (1) |
|
|
58 | (17) |
|
2.4.1 Porosity Measurement |
|
|
60 | (11) |
|
2.4.2 NMR Core Porosity for Shales |
|
|
71 | (4) |
|
2.5 Pore-Size Distribution |
|
|
75 | (5) |
|
2.5.1 Pore-Size Distribution Using NMR Logging |
|
|
75 | (3) |
|
2.5.2 Pore-Size Distribution Using Nitrogen Adsorption |
|
|
78 | (2) |
|
|
80 | (20) |
|
2.6.1 Unsteady-State Permeability Measurement Methods |
|
|
81 | (8) |
|
2.6.2 Single Phase Permeability Measurements |
|
|
89 | (2) |
|
|
91 | (4) |
|
2.6.4 Relative Permeability |
|
|
95 | (4) |
|
2.6.5 NMR Capillary Pressure |
|
|
99 | (1) |
|
2.6.6 Relative Permeability from NMR Pseudocapillary Pressure |
|
|
99 | (1) |
|
|
100 | (5) |
|
2.7.1 Techniques for Calculating Water Saturation |
|
|
100 | (1) |
|
|
100 | (4) |
|
2.7.3 NMR Saturation Estimation |
|
|
104 | (1) |
|
|
105 | (5) |
|
2.8.1 Wettability Measurement |
|
|
105 | (5) |
|
2.9 Hydrocarbon Pore Volume and Reserve Estimation |
|
|
110 | (5) |
|
2.9.1 Volumetric Analysis Theory |
|
|
110 | (5) |
|
|
115 | (16) |
|
|
117 | (1) |
|
|
117 | (14) |
|
3 Petroleum Geochemistry in Organic-Rich Shale Reservoirs |
|
|
131 | (58) |
|
|
|
|
|
131 | (1) |
|
3.2 Evolution of Organic Matter |
|
|
131 | (2) |
|
|
132 | (1) |
|
|
132 | (1) |
|
|
133 | (1) |
|
3.3 Total Organic Carbon (TOC) |
|
|
133 | (1) |
|
3.4 Kerogen, Bitumen, and/or Pyrobitumen |
|
|
134 | (4) |
|
3.4.1 Classification of Kerogen |
|
|
136 | (2) |
|
3.5 Vitrinite Reflectance |
|
|
138 | (1) |
|
3.6 Solid Bitumen Reflectance |
|
|
139 | (1) |
|
|
140 | (2) |
|
3.8 Methods of Determining Source Rock Potential |
|
|
142 | (18) |
|
|
143 | (1) |
|
|
143 | (1) |
|
3.8.3 Rock-Eval Pyrolysis Method |
|
|
143 | (8) |
|
3.8.4 In-Situ Measurements |
|
|
151 | (9) |
|
3.9 Original TOC and Hydrocarbon Yield Determinations |
|
|
160 | (5) |
|
3.9.1 Organic Porosity from Rock-Eval Parameters |
|
|
163 | (2) |
|
3.10 Thermal Maturity and Source Rock Assessment |
|
|
165 | (5) |
|
3.10.1 Biological Markers (Biomarkers) |
|
|
165 | (3) |
|
|
168 | (2) |
|
3.11 Raman Spectroscopy Analysis of Thermal Maturity in Kerogen |
|
|
170 | (6) |
|
3.11.1 Thermal Maturity Controls of Organic Matter Types in LEF Samples |
|
|
171 | (5) |
|
3.11.2 Maturity-Related Changes |
|
|
176 | (1) |
|
3.12 Drifts Analysis of Kerogen Maturity |
|
|
176 | (3) |
|
|
179 | (10) |
|
|
182 | (1) |
|
|
182 | (7) |
|
4 Application of Imaging Techniques in the Characterization of Organic-Rich Shales |
|
|
189 | (76) |
|
|
|
|
189 | (1) |
|
4.2 X-ray Microcomputed Tomography (X-ray Micro-CT) |
|
|
190 | (23) |
|
4.2.1 Operation of X-Ray Micro-CT |
|
|
192 | (2) |
|
|
194 | (2) |
|
4.2.3 X-ray Micro-CT Scanning Procedure |
|
|
196 | (2) |
|
4.2.4 Image Reconstruction |
|
|
198 | (2) |
|
4.2.5 Application of X-ray Micro-CT on Shale Samples |
|
|
200 | (3) |
|
4.2.6 Image Visualization and Processing |
|
|
203 | (6) |
|
4.2.7 Estimating Porosity from CT number (CTN) of CT Images |
|
|
209 | (3) |
|
4.2.8 Permeability Estimation from CT scanner |
|
|
212 | (1) |
|
4.2.9 Two-Phase Fluid Saturations |
|
|
212 | (1) |
|
|
213 | (4) |
|
4.3.1 Sample Preparation for X-Ray Nano-CT |
|
|
214 | (1) |
|
4.3.2 In-Situ Wettability and Spontaneous Imbibition at Nanoscale |
|
|
214 | (3) |
|
|
217 | (32) |
|
4.4.1 Scanning Electron Microscopy (SEM) |
|
|
217 | (3) |
|
4.4.2 SEM/BSE Images of Various Ultratight, Organic-Rich Formations |
|
|
220 | (8) |
|
4.4.3 Energy-Dispersive X-Ray Spectrometry (EDS/EDX) |
|
|
228 | (7) |
|
4.4.4 Quantitative Evaluation of Minerals by Scanning Electron Microscopy (QEMSCAN) |
|
|
235 | (6) |
|
4.4.5 Focused Ion Beam-Scanning Electron Microscopy (FIB-SEM) |
|
|
241 | (2) |
|
4.4.6 Three-Dimensional (3D) Rock Model |
|
|
243 | (2) |
|
4.4.7 Pore Network Model (PNM) and Pore Size Distribution (PSD) |
|
|
245 | (4) |
|
4.4.8 Permeability Estimation |
|
|
249 | (1) |
|
4.5 Broad Ion Beam-Scanning Electron Microscopy (BIB-SEM) |
|
|
249 | (2) |
|
4.5.1 Sample Preparation, BIB-SEM Acquisition and Processing |
|
|
250 | (1) |
|
|
251 | (1) |
|
4.7 Problems on Micro-CT and Nano-CT |
|
|
252 | (1) |
|
4.8 Problems on Electron Microscopy |
|
|
252 | (13) |
|
|
257 | (1) |
|
|
257 | (8) |
|
5 Geomechanical Properties of Unconventional Reservoirs |
|
|
265 | (34) |
|
|
|
|
|
265 | (1) |
|
5.2 Basic Concepts and Definitions |
|
|
265 | (4) |
|
|
265 | (1) |
|
|
266 | (1) |
|
|
266 | (1) |
|
|
267 | (2) |
|
5.3 Stresses and Pressure Gradients |
|
|
269 | (8) |
|
5.3.1 Vertical Stress and Overburden Pressure |
|
|
269 | (1) |
|
5.3.2 Effective Vertical Stress |
|
|
270 | (1) |
|
5.3.3 Effective Horizontal Stress |
|
|
271 | (1) |
|
5.3.4 Biot's Poroelastic Constant |
|
|
271 | (1) |
|
5.3.5 Horizontal Stresses and Fracturing Pressure |
|
|
272 | (5) |
|
5.4 Well-Logging Measurements to Determine the Elastic Parameters |
|
|
277 | (5) |
|
5.4.1 Calculating the Dynamic Moduli |
|
|
277 | (4) |
|
5.4.2 Correlations for Static Moduli |
|
|
281 | (1) |
|
5.5 Identifying the Geomechanical Sweet Spots |
|
|
282 | (8) |
|
|
283 | (7) |
|
|
290 | (1) |
|
|
291 | (8) |
|
|
294 | (1) |
|
|
294 | (5) |
|
|
299 | (60) |
|
|
|
|
299 | (1) |
|
6.2 Fundamentals of Hydraulic Fracturing |
|
|
300 | (23) |
|
|
301 | (1) |
|
6.2.2 Fracture Conductivity |
|
|
301 | (4) |
|
|
305 | (2) |
|
6.2.4 Multistage Hydraulic Fracturing |
|
|
307 | (3) |
|
|
310 | (1) |
|
|
311 | (1) |
|
|
312 | (3) |
|
|
315 | (1) |
|
6.2.9 Minifrac and DFIT Tests |
|
|
316 | (4) |
|
6.2.10 Microseismic Monitoring |
|
|
320 | (1) |
|
6.2.11 Stimulated Reservoir Volume |
|
|
321 | (2) |
|
|
323 | (10) |
|
|
323 | (1) |
|
6.3.2 Fracturing Fluid Types, Properties and Selection Process |
|
|
324 | (2) |
|
6.3.3 Rheology of Fracturing Fluids |
|
|
326 | (3) |
|
6.3.4 Damage of Fracturing Fluid and Fracture Cleanup |
|
|
329 | (1) |
|
6.3.5 Fracturing Fluids Additives |
|
|
329 | (4) |
|
|
333 | (8) |
|
|
334 | (1) |
|
6.4.2 Proppant Characteristics and Selection Process |
|
|
334 | (3) |
|
|
337 | (2) |
|
|
339 | (1) |
|
|
340 | (1) |
|
|
341 | (1) |
|
6.5 Modeling of Hydraulic Fractures |
|
|
341 | (10) |
|
6.5.1 Importance of Modeling |
|
|
342 | (1) |
|
6.5.2 Governing Processes of the Models |
|
|
342 | (1) |
|
|
342 | (9) |
|
|
351 | (8) |
|
|
352 | (1) |
|
|
352 | (7) |
|
7 Phase Behavior of Shale Oil and Gas |
|
|
359 | (54) |
|
|
|
|
|
|
359 | (1) |
|
7.2 Compositional Analyses of Shale Fluids |
|
|
359 | (9) |
|
7.2.1 Subsurface Sampling |
|
|
360 | (3) |
|
|
363 | (5) |
|
7.3 Phase Behavior and PVT Experiments |
|
|
368 | (11) |
|
|
368 | (4) |
|
7.3.2 PVT Experiments and Data Quality Check |
|
|
372 | (7) |
|
7.4 Equation of State (EOS) |
|
|
379 | (14) |
|
7.4.1 Cubic Equation of State |
|
|
379 | (2) |
|
|
381 | (1) |
|
7.4.3 Confinement/Pore Proximity Effect on Phase Behavior |
|
|
382 | (8) |
|
7.4.4 Phase Diagrams of Bakken, Eagle Ford, and Wolfcamp Fluids |
|
|
390 | (3) |
|
7.4.5 Diffusion Coefficient |
|
|
393 | (1) |
|
7.5 EOS Regression to Experimental Data |
|
|
393 | (2) |
|
7.6 Minimum Miscibility Pressure |
|
|
395 | (8) |
|
7.6.1 Experimental Methods |
|
|
396 | (6) |
|
|
402 | (1) |
|
|
403 | (1) |
|
7.6.4 Correlation Methods |
|
|
403 | (1) |
|
|
403 | (10) |
|
|
408 | (1) |
|
|
408 | (5) |
|
8 Fluid Flow Through Nanosized Pores |
|
|
413 | (32) |
|
|
|
|
|
|
413 | (1) |
|
8.2 Pore Size Distribution |
|
|
414 | (1) |
|
|
414 | (4) |
|
|
418 | (3) |
|
|
421 | (7) |
|
8.5.1 Fluid Transport in Confined Enclosures |
|
|
421 | (1) |
|
8.5.2 Apparent Permeability of Shale |
|
|
421 | (2) |
|
8.5.3 Transport in Organic Nanopores |
|
|
423 | (1) |
|
8.5.4 Molecular Simulations |
|
|
424 | (1) |
|
8.5.5 Molecular Structure of Kerogen |
|
|
424 | (3) |
|
8.5.6 Multiscale Modeling Techniques |
|
|
427 | (1) |
|
8.6 Lattice Boltzmann Model (LBM) |
|
|
428 | (6) |
|
|
431 | (1) |
|
8.6.2 Implementation of LBM Simulation in Organic Nanopores |
|
|
432 | (1) |
|
8.6.3 Apparent Permeability |
|
|
433 | (1) |
|
|
434 | (11) |
|
|
434 | (1) |
|
|
434 | (5) |
|
|
439 | (6) |
|
9 Decline Curve and Rate Transient Analysis |
|
|
445 | (54) |
|
|
|
|
|
445 | (1) |
|
9.2 Purpose of Decline Curves |
|
|
445 | (1) |
|
9.3 Decline Curve Assumptions and Limitations |
|
|
446 | (1) |
|
9.4 Traditional Decline Curve Models |
|
|
447 | (1) |
|
|
447 | (9) |
|
9.5.1 Exponential Decline Model |
|
|
448 | (1) |
|
9.5.2 Determination of Exponential Decline Graphically |
|
|
448 | (3) |
|
9.5.3 Harmonic Decline Model |
|
|
451 | (1) |
|
9.5.4 Determination of Harmonic Decline Graphically |
|
|
451 | (1) |
|
9.5.5 Hyperbolic Decline Model |
|
|
452 | (2) |
|
9.5.6 Determination of Hyperbolic Decline Parameters |
|
|
454 | (2) |
|
9.6 Modern Decline Curve Models |
|
|
456 | (8) |
|
9.6.1 Modified Hyperbolic Model |
|
|
457 | (2) |
|
9.6.2 Power-Law Exponential Model |
|
|
459 | (1) |
|
9.6.3 Stretched Exponential Model |
|
|
460 | (2) |
|
9.6.4 Logistic Growth Model |
|
|
462 | (1) |
|
|
462 | (2) |
|
9.7 Rate Transient Analysis |
|
|
464 | (14) |
|
9.7.1 Purpose and Features of RTA |
|
|
464 | (1) |
|
|
465 | (1) |
|
|
466 | (1) |
|
|
467 | (4) |
|
9.7.5 Square Root Time and Flowing Material Balance Plots |
|
|
471 | (1) |
|
|
472 | (6) |
|
|
478 | (21) |
|
|
494 | (1) |
|
|
494 | (5) |
|
10 Petroleum Economics of Unconventional Shale Reservoirs |
|
|
499 | (28) |
|
|
|
|
|
499 | (1) |
|
10.2 Effect of Shale Oil/Gas Developments on Economics and Energy Security |
|
|
499 | (4) |
|
10.3 Fundamentals of Petroleum Economics |
|
|
503 | (10) |
|
10.3.1 Business Expenditures |
|
|
503 | (1) |
|
|
504 | (4) |
|
|
508 | (1) |
|
|
509 | (1) |
|
|
509 | (1) |
|
10.3.6 Net Present Value (NPV) |
|
|
510 | (1) |
|
10.3.7 Rate of Return (ROR) |
|
|
511 | (1) |
|
|
512 | (1) |
|
10.4 Fiscal Regimes and Contracts |
|
|
513 | (3) |
|
10.4.1 The Concessionary System (Royalty/Tax System) |
|
|
513 | (1) |
|
10.4.2 The Production Sharing Contracts (PSCs) |
|
|
513 | (2) |
|
|
515 | (1) |
|
10.5 Decision, Uncertainty, and Risk Analysis |
|
|
516 | (1) |
|
|
517 | (8) |
|
|
518 | (1) |
|
10.6.2 Project Calculations |
|
|
518 | (7) |
|
|
525 | (2) |
|
|
526 | (1) |
|
|
526 | (1) |
|
11 Environmental Aspects of Shale Hydrocarbon Reservoir Developments |
|
|
527 | (28) |
|
|
|
|
|
527 | (1) |
|
11.2 Water Management and Reuse |
|
|
527 | (12) |
|
11.2.1 Basic Terminology Related to Water Management and Reuse |
|
|
527 | (2) |
|
11.2.2 Water Cycle in Oil and Gas Production |
|
|
529 | (2) |
|
11.2.3 Water Acquisition for Hydraulic Fracturing |
|
|
531 | (2) |
|
11.2.4 Flowback and Produced Water Quantity and Quality |
|
|
533 | (2) |
|
11.2.5 Flowback and Produced Water Reuse |
|
|
535 | (4) |
|
11.3 Chemicals used in Fracturing Fluids |
|
|
539 | (7) |
|
11.4 Potential Impacts on Drinking Water Resources |
|
|
546 | (3) |
|
|
549 | (2) |
|
|
551 | (1) |
|
|
552 | (3) |
|
|
552 | (1) |
|
|
552 | (3) |
Index |
|
555 | |