Geology and Geochemistry of Oil and Gas

Geology and Geochemistry of Oil and Gas
Author: L. Buryakovsky
Publisher: Elsevier
Total Pages: 399
Release: 2005-10-13
Genre: Science
ISBN: 0080461212
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This book discusses the progress that is being made through innovations in instrumental measurements of geologic and geochemical systems and their study using modern mathematical modeling. It covers the systems approach to understanding sedimentary rocks and their role in evolution and containment of subsurface fluids. Fundamental aspects of petroleum geology and geochemistry, generation, migration, accumulation, evaluation and production of hydrocarbons are discussed with worldwide examples. Various physical and chemical properties of subsurface waters, crude oils and natural gases are described which is especially important to production engineering. Among various properties of liquid and gaseous hydrocarbons the most important are wettability affecting production characteristics and ultimate recovery: relative permeability affecting reservoir fluid flow to the production wells; density differences between immiscible fluids which affects gravity drainage; viscosity of subsurface fluids affecting the relative mobility of each fluid; and fluid chemistry, which affects the absorption, ultimate recovery and monetary value of produced hydrocarbons. Discussion of the formation and accumulation of hydrocarbons includes (1) the changes in the chemical composition of hydrocarbons that originate from the debris of living plants and organisms to form crude oil and natural gas; (2) the origin of hydrocarbons in different areas of a single reservoir; (3) the conditions, which determine the distribution of water, oil and gas in the reservoir; (4) the migration of subsurface fluids until they eventually accumulate in isolated traps; (5) discussion of the traps as a function of sedimentary geology and tectonics. This is based on the systems approach to the specific geologic and geochemical systems using analytical and statistical principles and examples of modern mathematical modeling of static and dynamic systems.* Discusses fundamental aspects of petroleum geology and geochemistry, and generation, migration, accumulation, evaluation and production of hydrocarbons* Presents a systems approach to the specific geologic and geochemical systems

Environmental Isotopes in Hydrogeology

Environmental Isotopes in Hydrogeology
Author: Ian D. Clark
Publisher: CRC Press
Total Pages: 343
Release: 2013-11-20
Genre: Science
ISBN: 1482242915
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Groundwater is an increasingly important resource to human populations around the world, and the study and protection of groundwater is an essential part of hydrogeology - the subset of hydrology that concentrates on the subsurface. Environmental isotopes, naturally occurring nuclides in water and solutes, have become fundamental tools for tracing

Produced Water

Produced Water
Author: Kenneth Lee
Publisher: Springer Science & Business Media
Total Pages: 601
Release: 2011-09-18
Genre: Technology & Engineering
ISBN: 1461400465
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A state-of-the-art review of scientific knowledge on the environmental risk of ocean discharge of produced water and advances in mitigation technologies. In offshore oil and gas operations, produced water (the water produced with oil or gas from a well) accounts for the largest waste stream (in terms of volume discharged). Its discharge is continuous during oil and gas production and typically increases in volume over the lifetime of an offshore production platform. Produced water discharge as waste into the ocean has become an environmental concern because of its potential contaminant content. Environmental risk assessments of ocean discharge of produced water have yielded different results. For example, several laboratory and field studies have shown that significant acute toxic effects cannot be detected beyond the "point of discharge" due to rapid dilution in the receiving waters. However, there is some preliminary evidence of chronic sub-lethal impacts in biota associated with the discharge of produced water from oil and gas fields within the North Sea. As the composition and concentration of potential produced water contaminants may vary from one geologic formation to another, this conference also highlights the results of recent studies in Atlantic Canada.

Petroleum Geochemistry

Petroleum Geochemistry
Author: D. Satyanarayana
Publisher:
Total Pages: 464
Release: 2011-01-01
Genre: Science
ISBN: 9789351241409
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The book on Petroleum Geochemistry the first of its kind in India, is useful for postgraduate students of Science (Geology, Applied Geology, Geophysics, Earth Sciences) and undergraduate students of Engineering and Technology (BE, B.Tech.) undertaking several courses in petroleum science and engineering in the Universities, IIT's and other Institutions. It is also useful to geoscientists, engineers and technologists working in the oil industries dealing with exploration, production and related aspects. The book provides basic information on geochemical processes involved in petroleum generation, migration and accumulation in sedimentary basins, maturation of source rocks, evaluation of their genetic potential and correlations. It deals with the principles and applications of sub-surface geochemical methods including high resolution geochemical technologies for delineation of hydrocarbon kitchens and surface geochemical prospecting of hydrocarbons for prioritising targets for future exploration. In addition to basic principles, the book deals with the occurrence and distribution of petroleum in worldwide sedimentary basins with special reference to Indian basins, geochemical basin modeling and its application to petroleum exploration, application of biomarkers and modern instrumental techniques for characterisation of organic matter in source rocks and identification of their depositional environments. Applications of oil field waters and their role in enhanced oil recovery (EOR) operations, implications of scale formation and corrosion on drilling equipment and other installations are described comprehensively. Apart from conventional oil and natural gas the need for exploration and exploitation of unconventional petroleum resources such as Coal bed methane (CBM), Gas hydrates, Bituminous sands, Shale gas and Oil shale, Basinal gas and Tight gas sands, their origin, occurrence, characterisation of depositional environments, exploration and production strategies, environmental concerns and worldwide distribution with special emphasis to India are elaborated in detail.