
Abnormal Formation Pressures
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Content
- Front Cover
- Abnormal Formation Pressures: Implications to Exploration, Drilling, and Production of Oil and Gas Resources
- Copyright Page
- Contents
- Preface
- Foreword and Acknowledgements
- Chapter 1. Abnormal formation pressure environments
- Introduction
- Pressure concepts
- Subnormal formation pressures (subpressures)
- Abnormally high formation pressures (surpressures)
- Acknowledgements
- References
- Chapter 2. Compaction of argillaceous sediments
- Introduction
- Compaction model development
- Mathematical description of compaction
- Flow of fluids through porous media
- Overburden potential
- Effect of compaction on the chemistry of interstitial solutions
- Stresses in sediments
- Compressibilities of sand and clayey sediments
- References
- Chapter 3. Geophysical methods detect and evaluate abnormal formation preesures
- Introduction
- Seismic data analysis
- Gravity data analysis
- Other geophysical methods
- References
- Chapter 4. Drilling data detect and evaluate abnormal formation pressures
- Introduction
- Drilling parameters
- Drilling mud parameters
- Shale cuttings parameters
- References
- Chapter 5. Geophysical well-logging techniques detect and evaluate abnormal formation pressures
- Introduction
- Electrical surveys
- Acoustic (sonic) surveys
- Formation density measurements
- Neutron measurements
- Pulsed neutron measurements
- Nuclear magnetic resonance techniques
- Downhole gravity data measurements
- Well logs recommended for conventional pressure evaluation
- Limitations and pitfalls of wireline methods
- Conclusions
- References
- Chapter 6. Drilling and completion concepts in overpressured formations
- Introduction
- Basic concepts of the pore pressure-fracture pressure relationship
- Prediction methods for fracture pressure gradients
- Typical casing programs in overpressured areas
- Comments on cementing operations
- Specific completion and production considerations
- Contingency planning for drilling and producing high-pressure sour-gas wells
- Relief-well planning
- References
- Chapter 7. Reservoir engineering concepts in abnormal formation pressure environments
- Introduction
- Reservoir mechanisms
- Initial well potential versus formation water salinities
- Pressure depletion and abandonment pressures
- References
- Chapter 8. Appraisal of hydrocarbon distribution and related economic factors in normal and abnormal formation pressure environments
- Introduction
- Depth versus hydrocarbon accumulation
- Formation temperature versus hydrocarbon distribution
- Formation pressure gradient versus hydrocarbon accumulations
- Formation temperature and pressure versus hydrocarbon accumulation
- Shale resistivity ratio method -a valuable concept for economic drilling decisions
- Economics in overpressure environments
- References
- Chapter 9. Global occurrence and evaluation of abnormal formation pressures
- Introduction
- Abnormal formation pressure environments in Europe
- Abnormal formation pressure environments in the Soviet Union
- Abnormal formation pressure environments on the North American continent
- Abnormal formation pressure environments in South America
- Abnormal formation pressure environments in Africa
- Abnormal formation pressure environments in the Far East
- Abnormal formation pressure environments on the Indian subcontinent
- Abnormal formation pressure environments in the Middle East
- Acknowledgements
- References
- Appendix
- Conversion factors between metric, A.P.I., and U.S. measures
- Oil, water, and mud specific gravity-weight and pressure table
- Temperature conversion formulas
- References
- References index
- Subject index
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