petroleum geology 3 min read
Meteoric Water Flow and Mineral Dissolution
Meteoric water is rainwater which infiltrates the ground. Initially this water is distilled water and therefore undersaturated with respect to…
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Importance of Biogenic Activity
Bioturbation plays an important role in changing the textural composition of the sediments after deposition. The burrowing organisms eat mud…
petroleum geology 2 min read
Mechanical Weathering
Igneous and metamorphic rocks which have been formed at many km depth at higher temperatures and pressures are not stable…
petroleum geology 4 min read
Clay Minerals
A number of minerals are referred to as clay minerals because they predominantly occur in the finest grain-size fraction (clay…
petroleum geology 4 min read
Isotopes
A number of elements occur in nature as different isotopes: the atomic number (protons) is constant but there are different…
petroleum geology 4 min read
Sedimentary Geochemistry
The composition and physical properties of sedimentary rocks are to a large extent controlled by chemical processes during weathering, transport…
petroleum geology 2 min read
The Future of Petroleum Geoscience
Petroleum geoscience is geology and geophysics applied to petroleum exploration and production. In this book we will try to show…
petroleum geology 3 min read
Oil Reserves – How Long Will Conventional Oil Last?
In the last 40–50 years we have had a discussion about how long the oil reserves will last and the…
petroleum geology 2 min read
Carbonate Reservoirs
Reefs stand up as positive structures and may be draped by mud and form a stratigraphic trap determined by the…
petroleum geology 3 min read
External Geometry of Reservoir Rocks
The external geometry of reservoir rocks is largely determined by the depositional environments, but faulting and diagenesis may define the…
petroleum geology 4 min read
Porosity and Permeability
Any rock with sufficiently high porosity and permeability may serve as a reservoir rock provided that there is a source…
petroleum geology 2 min read
Migration of Petroleum
Petroleum migrates from low permeability source rocks into high permeability reservoir rocks from which the petroleum can be produced (Fig.…