Subsurface Fluid Flow and Imaging: With Applications for by Donald Wyman Vasco, Akhil Datta-Gupta

Posted by

By Donald Wyman Vasco, Akhil Datta-Gupta

This booklet introduces methodologies for subsurface imaging established upon asymptotic and trajectory-based equipment for modeling fluid move, delivery and deformation. It describes trajectory-based imaging from its mathematical formula, in the course of the building and answer of the imaging equations, to the overview of the accuracy and backbone linked to the picture. specified in its procedure, it presents a unified framework for the whole spectrum of actual phenomena from wave-like hyperbolic difficulties to diffusive parabolic difficulties and non-linear difficulties of combined personality. the sensible elements of imaging, really effective and powerful tools for updating excessive answer geologic types utilizing fluid stream, shipping and geophysical facts, are emphasised in the course of the booklet. entire with on-line software program purposes and examples that permit readers to achieve hands-on event, this quantity is a useful source for graduate-level classes, in addition to for educational researchers and practitioners within the fields of geoscience, hydrology, and petroleum and environmental engineering.

Show description

Read Online or Download Subsurface Fluid Flow and Imaging: With Applications for Hydrology, Reservoir Engineering, and Geophysics PDF

Best geophysics books

Parameter Estimation and Inverse Problems

Parameter Estimation and Inverse difficulties basically serves as a textbook for complicated undergraduate and introductory graduate classes. type notes were constructed and live at the world-wide-web for faciliting use and suggestions by means of educating colleagues. The authors' therapy promotes an figuring out of primary and functional issus linked to parameter becoming and inverse difficulties together with simple conception of inverse difficulties, statistical matters, computational matters, and an realizing of ways to investigate the good fortune and obstacles of recommendations to those probles.

Mantle Dynamics and Plate Interactions in East Asia

In regards to the ProductPublished by means of the yank Geophysical Union as a part of the Geodynamics SeriesContent:

Origin and Evolution of Sedimentary Basins and Their Energy and Mineral Resources

In regards to the ProductPublished by way of the yankee Geophysical Union as a part of the Geophysical Monograph sequence. The starting place and evolution of sedimentary basins is an visible concentration of the overseas Lithosphere software since it is essentially an issue within the dynamics and evolution of the lithosphere, and furthermore, it offers specified possibilities for strengthening the interactions among uncomplicated examine and the functions of geology, geophysics, geochemistry and geodesy to mineral and effort exploration and improvement.

Seasonal and Interannual Variability of the Western Mediterranean Sea

Concerning the ProductPublished by means of the yank Geophysical Union as a part of the Coastal and Estuarine experiences sequence. This e-book covers a massive interval within the learn of the Mediterranean Sea. An realizing of the elemental ocean procedures happening during this very important physique of water has the most important implications for climatic experiences, pollutants mitigation, and fisheries administration.

Additional info for Subsurface Fluid Flow and Imaging: With Applications for Hydrology, Reservoir Engineering, and Geophysics

Example text

2 Underlying principles 39 with the understanding that the contributions from all the internal surfaces will cancel in the sum. Dividing and multiplying each term in the sum by the volume of the respective cube give N 1 Vl ˆ = F · ndS S l=1 ˆ F · ndS Vl Sl In the limit as the subvolumes shrink in size the quantity in square brackets approaches the divergence of the vector field F at the center point of the cube, thus we have N lim N→∞, Vl →0 l=1 1 Vl ˆ F · ndS Vl = Sl ∇ · FdV, V ending our argument.

Differences are sensitive to changes in the state of a reservoir. As such, they are useful for estimating flow properties such as reservoir porosity and permeability. We will discuss how this is accomplished in Chapter 6. Seismic reflection amplitude changes are a common example of time-lapse geophysical data used to monitor fluid flow. Seismic surveys provide high spatial resolution and are capable of estimating saturation and pressure changes within a reservoir (Tura and Lumley, 1998; Landro, 2001).

The exact mathematical statement is ˆ F · ndS ∇ · FdV = V S where nˆ is the normal vector to the surface S. A general proof of Gauss’ theorem is better left to a book on vector calculus such as Marsden and Tromba (1976). However, following Schey (1973) we can provide a brief motivation by considering a simple volume that may be subdivided into N subvolumes (think small cubes). Now for any two adjacent subvolumes (cubes) sharing a common internal surface Si , the contribution F · ni across that surface from one cube will be canceled by the contribution back across the surface from the other cube.

Download PDF sample

Rated 4.58 of 5 – based on 35 votes