Описание: This book broadens readers’ understanding of the stratigraphic framework and structural styles for improved hydrocarbon prospectivity in the intermediate and deeper horizons of the eastern Coastal Swamp Depo-belt of Nigeria’s Niger Delta Basin. It equips readers to interpret complex sedimentary units, such as the paralic sequence of the Niger Delta Basin, using sequence stratigraphic tools integrated with well logs, biostratigraphic, paleobathymetric and seismic data. It also offers numerous tips and insights into reservoirs, seals, source rocks and hydrocarbon-type trends/distribution across several production fields, and provides a valuable guide to support exploration and production.
Описание: Seismic Exploration of Hydrocarbons in Heterogeneous Reservoirs: New Theories, Methods and Applications is based on the field research conducted over the past decade by an authoring team of five of the world’s leading geoscientists. . . In recent years, the exploration targets of world's oil companies have become more complex. The direct detection of hydrocarbons based on seismic wave data in heterogeneous oil/gas reservoirs has become a hot spot in the research of applied and exploration geophysics. The relevant theories, approaches and applications, which the authors have worked on for years and have established mature technical processes for industrial application, are of significant meaning to the further study and practice of engineers, researchers and students in related area.
Описание: Introduction to the oil industry and oil show evaluation: a personal retrospective.- An introduction and vocabulary of oil and gas.- The art of exploration.- A history of drilling and exploration.- Generational challenges and evolving technology.- Some personal experiences in learning about seals and shows.- The art of exploration: plays versus prospects and getting proper experience early.- Creaming curves and new plays vs. prospect-challenging the 'peak oil' paradigm.- Looking at rocks, dealing with people and your learning curve.- Break from paradigms: believe in yourself and your data.- Pay attention to the fluids and the key well concept.- The value of teams, peer assists and risk assessment.- The need to get it right needs to be balanced by the need for speed.- Looking for the NULF (Nasty, Ugly, Little Fact) to break paradigms.- Pay attention to right rocks with oil and gas shows.- You never have enough data, but perseverance pays off.- Background on seismic.- New tools: advances in migration modelling and shows calibration.- Spider maps to 3D models.- The basics of traps, seals, reservoirs and shows.- The petroleum system: primary, secondary migration and unconventional exploration.- Traps, porosity, spill point and seals.- Assessing risk: think about seals, structure and reservoir quality.- Making the right maps.- Some thoughts on stratigraphic traps.- The basics of rock properties, free water levels, buoyancy pressure and hydrocarbon shows.- Porosity.- Buoyancy pressure (Pb), pressure verses depth plots, free water levels and water saturation.- Water and hydrocarbon saturations and height above free water plots.- Oil-water contacts, top of transition zones vs. FWL and relative permeability.- Permeability.- Waste zones.- Oil show types.- Kerogen-rich source rocks.- Thinking like a molecule.- Drilling, mud logging, wireline logs and cores.- Historical context around understanding shows and drilling wells.- Horizontal wells and multi-stage fracturing.- East vs. West: evolution of different evaluation techniques.- Seeps.- Drilling with mud.- Wellbore design, pressures and rig safety.- Background on muds, mud-weights and circulation time.- Mud logs, gasses and cuttings descriptions.- Analyzing mud gasses- wet to light gas ratio analysis.- Wellbore flushing and over and underbalanced drilling.- Cuttings and oil shows.- Residual shows.- Basics of well logs.- Well log formats: digital vs. raster.- The well header and common logs.- Common log displays and the basics of log interpretation.- Gamma ray (GR) and Spontaneous Potential (SP) logs.- Porosity logs, volume of shale calculations and total vs. effective porosity.- Quick look for gas effect and permeability from resistivity profiles.- Calculating lithology.- Capturing and interpreting core data.- Core data.- Saturation changes in coring.- How to miss good hydrocarbon shows and a case histories.- Ways to miss hydrocarbon shows.- Suppressed resistivity and 'hot gamma ray' reservoirs.- Case history 1: Russian River SE Field: "Hot" dolomite and by-passed pay, Williston Basin, Montana.- Case history 2: Using gas wetness mud log analysis to discover a new turbidite oil play fairway, Eocene Dharvi Dungar Formation, Barmer Basin, India.- Acknowledgements and introduction.- Regional setting.- Summary and impact.- Understanding seals, pressures and hydrodynamics.- Basic pressure terms, uses and pressure data collection.- Why look at seals from the standpoint of pressure and hydrodynamics?.- Some good references.- Pore pressure.- Recognizing seals on pressure-depth plots and understanding mud weights.- Tools and data capture for pressure analysis.- Data reporting formats.- Understanding facies and fault seals qualitatively.- Seals overview: facies and fault seals.- Seal quality, pressures and time.- Fault seals.- Fault traps, gouge and juxtaposition analysis.- Stress direction: borehole breakout.- Testing fault models with shows.
Описание: This book analyzes hydrocarbon generation and accumulation within space-limited source rocks. The authors draw conclusions based on the principles of basin formation, hydrocarbon generation and accumulation, coupled with the practice of terrigenous basins in eastern China. Hydrocarbon generation and expulsion have been quantitatively assessed in space-limited source rock systems. This book explores new hydrocarbon generation and expulsion models to reflect real geological situations more accurately. The theory and practice proposed in this book challenge the traditional theory of kerogen thermal degradation and hydrocarbon generation.
Автор: Zhou, Hua-Wei, Название: Practical Seismic Data Analysis ISBN: 0521199107 ISBN-13(EAN): 9780521199100 Издательство: Cambridge Academ Рейтинг: Цена: 9821.00 р. Наличие на складе: Поставка под заказ.
Описание: Modern introduction to seismic data processing demonstrating exploration and global geophysics applications through real data and tutorial examples that can be demonstrated with the instructor`s software of choice. The underlying physics and mathematics of analysis methods is presented, showing students the limitations and potential for creating models of the sub-surface.
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