Download or read book A Laboratory Investigation of Conductivity and Dielectric Constant Tensore of Rocks written by Donald Gardner Hill and published by . This book was released on 1969 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Experimental Investigation of the Dielectric Properties of Rocks written by Nai-chung Nelson Hu and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Study of Dielectric Tools and Dielectric Property of Rocks written by Yinxi Zhang and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Dielectric tools have mainly been used for identifying freshwater zones in oil- or gas-bearing formations. New-generation dielectric tools are also used for detecting shale reservoirs, heavy oil, and residue oil in invasion zones. However, currently commercialized tools either lack information on frequency dispersive behavior or offer redundant logging curves. This dissertation investigates both the design and simulation of novel array dielectric tools; meanwhile, it throws light on the dielectric properties of rocks through lab measurements. A multi-component, multi-spacing array dielectric tool working at 5 different frequencies in the range of 10 MHz to 1 GHz was studied. It covered the frequency gap between propagation tools and conventional dielectric tools. Tool sensitivity was carefully investigated to demonstrate tool capability in exploring formation properties, including permittivity, conductivity, dipping, and anisotropy. Meanwhile, tool simulations with COMSOL provided comprehensive evaluations of tool performance. From the simulation results, it was found that the size of the tool pad has an influence on tool response, especially when lower frequency channels are fired. However, the impact from borehole mud can be negligible since the tool is pushed against the borehole wall. Moreover, the existence of mud cakes and invasions affect the measurements and depth of investigation of the tool as well. In addition, vertical resolution was studied for different formation conditions. The designed tool was proven to be able to detect thin conductive beds or beds with high dielectric constants. In the past few decades, dielectric dispersion has been observed from core data. Practical core measurements for dielectric constant and conductivity were also conducted in this dissertation to study the dielectric properties of sediment rocks. A parallel plate system was used for the study. The relative dielectric constant and conductivity were measured in a frequency range from 10 KHz to 1GHz. Measured data agreed well with the resistivity log inversion results, and large dielectric enhancement at the induction frequencies was observed. Dielectric and conductivity corrections were applied to the original log to correct the errors caused by dielectric dispersions. The results lead to the conclusion that dielectric correction should be added to the resistivity inversion routine to avoid misinterpretation.
Download or read book Geophysical Methods in Terrestrial Material Property Determinations written by Emmanuel E. Bliamptis and published by . This book was released on 1975 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: In-house and contractual research was conducted on the relationships between mechanical (strength) properties of rock and soil material and their electrical properties. A theoretical study involved the quantum electromagnetic and elastic interactions of crystals and solids. Laboratory and field investigations were made of the porosity and surface crack networks of large masses of quarry rocks, which govern their conductivity and permittivity. Thermal and mechanical stressing of rocks were analyzed. Electrical parameters of deep mine rocks were measured in-situ with emphasis on frequency/conductivity relationships. Direct mapping of rock strength as a function of electrical resistivity was investigated in the field. A three-dimensional modeling program was conducted in the laboratory. Field measurements of dynamic electrical conductivity of various earth materials were made under conditions of a rapid stress generated by high explosive setonations. Correlations demonstrated by this geophysical and geological research can be useful in prediction or evaluation of nuclear weapon shock effects on military installations.
Download or read book Petroleum Abstracts written by and published by . This book was released on 1992 with total page 1716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geotechnical Abstracts written by and published by . This book was released on 1974 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book KWIC Index of Rock Mechanics Literature written by J P Jenkins and published by Elsevier. This book was released on 2016-06-03 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: KWIC Index of Rock Mechanics Literature, Part 2: 1969-1976 is an index of subjects in rock mechanics. The KWIC (keyword-in-context) index is produced by cyclic permutation of significant words in the title of the publication. The text covers materials in rock mechanics and geomechanics published around the 70s. The book will be of great use to students, researchers, and practitioners of geological sciences.
Download or read book Multifrequency Electromagnetic Data Interpretation for Subsurface Characterization written by Siddharth Misra and published by Elsevier. This book was released on 2021-07-13 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multifrequency Electromagnetic Data Interpretation for Subsurface Characterization focuses on the development and application of electromagnetic measurement methodologies and their interpretation techniques for subsurface characterization. The book guides readers on how to characterize and understand materials using electromagnetic measurements, including dielectric permittivity, resistivity and conductivity measurements. This reference will be useful for subsurface engineers, petrophysicists, subsurface data analysts, geophysicists, hydrogeologists, and geoscientists who want to know how to develop tools and techniques of electromagnetic measurements and interpretation for subsurface characterization. Includes case studies to add additional color to the presented content Provides codes for the mechanistic modeling of multi-frequency conductivity and relative permittivity of porous geomaterials Presents detailed descriptions of multifrequency electromagnetic data interpretation models and inversion algorithm
Download or read book Geocom Bulletin written by and published by . This book was released on 1968 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues for Jan. 1968- include section called Geocom supplement, GS1-.
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1969 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Electrical Properties of Rocks written by E. I. Parkhomenko and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently there has been growing interest in the physical properties of rocks. To interpret data on the geophysical fields observed near the Earth's surface, we must know the physical properties of the materials composing the interior. Moreover, the development of geophysical methods (in particular, electrical methods) is necessitating a multiple approach to the study of the physical properties of rocks and minerals. In connection with problems now appearing, the physical properties of rocks must be studied in the laboratory under var ious thermodynamic conditions. Electrical methods of geophysi cal exploration often may require only data obtained at atmos pheric pressure and room temperature, or at temperatures below 100°C. If, however, we have in mind geophysical field observa tions on the composition and state of matter deep in the Earth's crust and mantle, we must conduct laboratory experiments at high pressures and temperatures. For example, in interpreting data from geomagnetic soundings of the mantle, we may need experi mental results on the electrical properties of rocks at pressures of tens of kilobars and temperatures of the order of lOOO°C. In this connection, we must remember that pressure has relatively little effect on the electrical properties of rocks, whereas, tem perature affects them very strongly. v vi FOREWORD At present, while research into the mechanical properties of rocks (relating to the problems of geophysics, geochemistry, geology, and mining) is pressing forward on a wide front, much less work is being done with electrical properties.
Download or read book The Self Potential Method written by André Revil and published by Cambridge University Press. This book was released on 2013-07-11 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The self-potential method enables non-intrusive assessment and imaging of disturbances in electrical currents of conductive subsurface materials. It has an increasing number of applications, from mapping fluid flow in the subsurface of the Earth to detecting preferential flow paths in earth dams and embankments. This book provides the first full overview of the fundamental concepts of this method and its applications in the field. It discusses the historical perspective, laboratory investigations undertaken, the inverse problem and seismoelectric coupling, and concludes with the application of the self-potential method to geohazards, water resources and hydrothermal systems. Chapter exercises, online datasets and analytical software enable the reader to put the theory into practice. This book is a key reference for academic researchers and professionals working in the areas of geophysics, environmental science, hydrology and geotechnical engineering. It will also be valuable reading for related graduate courses.
Download or read book Index to Well Logging Literature 1965 1984 written by and published by Petroleum Abstracts. This book was released on 1985 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Log Analyst written by and published by . This book was released on 1990 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamentals of Rock Physics written by Nikolai Bagdassarov and published by Cambridge University Press. This book was released on 2021-12-09 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rock physics encompasses practically all aspects of solid and fluid state physics. This book provides a unified presentation of the underlying physical principles of rock physics, covering elements of mineral physics, petrology and rock mechanics. After a short introduction on rocks and minerals, the subsequent chapters cover rock density, porosity, stress and strain relationships, permeability, poroelasticity, acoustics, conductivity, polarizability, magnetism, thermal properties and natural radioactivity. Each chapter includes problem sets and focus boxes with in-depth explanations of the physical and mathematical aspects of underlying processes. The book is also supplemented by online MATLAB exercises to help students apply their knowledge to numerically solve rock physics problems. Covering laboratory and field-based measurement methods, as well as theoretical models, this textbook is ideal for upper-level undergraduate and graduate courses in rock physics. It will also make a useful reference for researchers and professional scientists working in geoscience and petroleum engineering.
Download or read book Exploration Geophysics written by and published by . This book was released on 1991 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transport Processes in Porous Media written by Jacob Bear and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 807 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the invited lectures presented during the NATO/ASI conducted in Pullman, Washington, July 9-18, 1989. This is the third in a series of NATO/ASIs on transport phenomena in porous media. The first two, which took place at Newark, Delaware in 1982 and 1985, are devoted to various topics related to the Fundamentals of Transport Processes in Porous Media. The contents of the books resulting from previous NATO/ASIs are given at the end of this book. Transport of extensive quantities such as mass of a fluid phase, mass of chemical species carried by a fluid phase, energy and electric charge in porous media, as encountered in a large variety of engineering disciplines, is an emerging interdisciplinary field. The groundwater flow, the simultaneous flow of gas, oil and water in petroleum reservoirs, the movement and accumulation of pollutants in the saturated and unsaturated subsurface zones, thermal energy storage in reservoirs, land subsidence in response to charges in overburden loads, or to pumping of fluids from underground formations, wave propagation in seismic investigations or as produced by earthquakes, chemical reactors, water flow through sand filters and the movement of fluids through kidneys, may serve as examples of fields in which the theory of transport in porous media is employed.
