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Borehole Logging For Uranium Exploration
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Book Synopsis Practical Borehole Logging Procedures for Mineral Exploration, with Emphasis on Uranium by : International Atomic Energy Agency
Download or read book Practical Borehole Logging Procedures for Mineral Exploration, with Emphasis on Uranium written by International Atomic Energy Agency and published by . This book was released on 1986 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This manual describes recommended procedures for carrying out borehole logging, concentrating on practical aspects of the operation of interest to those actually involved in day-to-day field work."--Introduction.
Book Synopsis Borehole Logging for Uranium Exploration by :
Download or read book Borehole Logging for Uranium Exploration written by and published by . This book was released on 1982 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Borehole Logging for Uranium Exploration by : International Atomic Energy Agency
Download or read book Borehole Logging for Uranium Exploration written by International Atomic Energy Agency and published by Bernan Press(PA). This book was released on 1982 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical reports series written by and published by . This book was released on 1982 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Field Evaluation of Active and Passive Direct Uranium Borehole Logging Systems by : Robert D. Wilson
Download or read book Field Evaluation of Active and Passive Direct Uranium Borehole Logging Systems written by Robert D. Wilson and published by . This book was released on 1981 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Borehole Gamma-ray Spectrometer for Uranium Exploration by : David C. George
Download or read book A Borehole Gamma-ray Spectrometer for Uranium Exploration written by David C. George and published by . This book was released on 1978 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Assaying of Mining Boreholes by : A. W. Wylie
Download or read book Nuclear Assaying of Mining Boreholes written by A. W. Wylie and published by Elsevier Publishing Company. This book was released on 1984 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress Report on Gamma-ray Logging Activities by : Sherman S. Comstock
Download or read book Progress Report on Gamma-ray Logging Activities written by Sherman S. Comstock and published by . This book was released on 1951 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: An evaluation is made of radioactivity logging as applied to exploration drilling on the Colorado Plateau. The compilation of data gives a preliminary insight into the possibilities of the technique being applied. A comparison has also been made of the results obtained by the logglng units of the U. S. Geological Suryey, The Texas Company, and the Colorado Exploration Branch. rhe work performed by the Commission has demonstrated that it is possible to utilize a gamma-ray log for geologic interpretation and for obtaining approximate assay values. Gamma-ray logging is a definite aid to exploratory drilling in detecting radioactivity anomalies and providing an accurate geologic log. Extensive application of this technique may reduce the over-all cost of drilling through reduction of the amount of coring required and mnke possible a close coordination of geologic planning with the drilling operation. Operational legging and experimentation have proved that equipment now being used by the Colorado Exploration Branch provides satisfactory operation in the following respects: provides sofficient sensitivity, gives a linear response, reproduces a log when re-runs are made in the same hole several days apart and under dissimilar weather condi- tions, produces a log in which the statistical fluctuations do not affect the interpretation, and has an adequate range of sensitivity scales. It has been demonstrated that a single logging unit, with provision for field maintenance, can log the total footage being drilled on a project today. It is concluded that a complete gamma-ray logging seryice will be a decided asset to the exploration drilling program.
Book Synopsis Geophysical Borehole Logging Handbook for Coal Exploration by : Georgia L. Hoffman
Download or read book Geophysical Borehole Logging Handbook for Coal Exploration written by Georgia L. Hoffman and published by . This book was released on 1982 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The handbook gives the essential theory and practice of geophysical logging as it applies to coal exploration and is not designed as a theoretical textbook."--Preface.
Download or read book Newsletter written by and published by . This book was released on 1984 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Geophysics by : W. M. Telford
Download or read book Applied Geophysics written by W. M. Telford and published by Cambridge University Press. This book was released on 1990-10-26 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the completely revised and updated version of the popular and highly regarded textbook, Applied Geophysics. It describes the physical methods involved in exploration for hydrocarbons and minerals, which include gravity, magnetic, seismic, electrical, electromagnetic, radioactivity, and well-logging methods. All aspects of these methods are described, including basic theory, field equipment, techniques of data acquisition, data processing and interpretation, with the objective of locating commercial deposits of minerals, oil, and gas and determining their extent. In the fourteen years or so since the first edition of Applied Geophysics, many changes have taken place in this field, mainly as the result of new techniques, better instrumentation, and increased use of computers in the field and in the interpretation of data. The authors describe these changes in considerable detail, including improved methods of solving the inverse problem, specialized seismic methods, magnetotellurics as a practical exploration method, time-domain electromagnetic methods, increased use of gamma-ray spectrometers, and improved well-logging methods and interpretation.
Book Synopsis Photoneutron Logging System for Direct Uranium Ore-grade Determination by :
Download or read book Photoneutron Logging System for Direct Uranium Ore-grade Determination written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A prototype photoneutron probe for direct uranium assay in exploratory boreholes has been built and field tested. An approx. 10-Ci 124Sb gamma-ray source together with a beryllium converter is used to produce neutrons that diffuse into the surrounding formation and cause fissions in any 235U present. The fission neutrons that return to the probe are energy analyzed and counted by a high-pressure helium detector, thus indicating the concentration of uranium. The response of the probe was measured in concrete models at the US Department of Energy (Grand Junction, Colorado) calibration facility and found to be approx. 35 counts/s for an 1% U3O concentration in an 11.4-cm-diam water-filled borehole (4.5 in.). The response is linear up to a concentration of at least 0.25% by weight U3O. Effects resulting from changes in formation density, porosity, and neutron absorber content were also quantified, as well as the tool response as a function of borehole diameter and fluid. A logging vehicle was outfitted, and the photoneutron-based logging system was field tested at an exploration site near Canon City, Colorado. Logging data obtained in several open holes at this site are presented and compared to core chemical analyses and results obtained in the same holes using other logging methods. In about 1 month of field testing, the photoneutron-based uranium exploration system has proved to be simple to use and very reliable. 22 figures, 12 tables.
Book Synopsis Photoneutron Logging System for Direct Uranium Ore-grade Determination by : Michael P. Baker
Download or read book Photoneutron Logging System for Direct Uranium Ore-grade Determination written by Michael P. Baker and published by . This book was released on 1982 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: A prototype photoneutron probe for direct uranium assay in exploratory boreholes has been built and field tested. An approx. 10-Ci 124Sb gamma-ray source together with a beryllium converter is used to produce neutrons that diffuse into the surrounding formation and cause fissions in any 235U present. The fission neutrons that return to the probe are energy analyzed and counted by a high-pressure helium detector, thus indicating the concentration of uranium. The response of the probe was measured in concrete models at the US Department of Energy (Grand Junction, Colorado) calibration facility and found to be approx. 35 counts/s for an 1% U3O concentration in an 11.4-cm-diam water-filled borehole (4.5 in.). The response is linear up to a concentration of at least 0.25% by weight U3O. Effects resulting from changes in formation density, porosity, and neutron absorber content were also quantified, as well as the tool response as a function of borehole diameter and fluid. A logging vehicle was outfitted, and the photoneutron-based logging system was field tested at an exploration site near Canon City, Colorado. Logging data obtained in several open holes at this site are presented and compared to core chemical analyses and results obtained in the same holes using other logging methods. In about 1 month of field testing, the photoneutron-based uranium exploration system has proved to be simple to use and very reliable.
Book Synopsis Nuclear Methods in Mineral Exploration and Production by : Jerome G. Morse
Download or read book Nuclear Methods in Mineral Exploration and Production written by Jerome G. Morse and published by Elsevier. This book was released on 2013-10-22 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developments in Economic Geology, 7: Nuclear Methods in Mineral Exploration and Production elaborates on the status of applicable nuclear techniques used in mineral exploration and production. The selection first offers information on radiometric methods and X-ray analysis in mineral exploration. Discussions focus on gamma-ray spectrometry, radon detection, autoradiography of uranium and thorium, X-ray diffraction, and application of X-ray analysis. The text then examines X-ray fluorescence geochemical analysis on the surface of Mars and radioactivation methods, as well as nuclear geochemical measurements of planetary surface; radioactivation methods for mineral exploration; and radioactivation sources. The publication takes a look at nuclear well logging for petroleum and the potential of plowshare for resource development. Topics include natural radiation, induced logs, description of potential applications related to energy resources, and obstacles to the development of a commercial plowshare program in the U.S. The selection is a dependable source of data for readers interested in the use of nuclear techniques in mineral production and exploration.
Book Synopsis Surface Mining, Second Edition by : Bruce A. Kennedy
Download or read book Surface Mining, Second Edition written by Bruce A. Kennedy and published by SME. This book was released on 1990 with total page 1214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SME classic is both a reference book for the working engineer and a textbook for the mining student. This hardcover edition gives a brief history of surface mining and a general overview of the state of surface mining today--topics range from production and productivity to technological developments and trends in equipment. This extremely useful text takes the approach that exploration and mining geologists must be expert in a number of fields, including basic finance and economics, logistics, and pragmatic prospecting. Readers will find material on all these topics and more. The book's nine chapters include: Introduction, Exploration and Geology Techniques, Ore Reserve Estimation, Feasibility Studies and Project Financing, Planning and Design of Surface Mines, Mine Operations, Mine Capital and Operating Costs, Management and Organization, and Case Studies. The book is fully indexed.
Book Synopsis Nuclear Geophysics by : C.G. Clayton
Download or read book Nuclear Geophysics written by C.G. Clayton and published by Elsevier. This book was released on 2013-10-22 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear techniques are critical in the exploration for oil and in the control of oil wells, and intrinsic to uranium exploration. This volume includes comprehensive review articles by internationally eminent scientists and engineers, on a wide variety of techniques and applications in the area of nuclear geophysics, including important new techniques and equipment being developed for use in the metalliferous and industrial minerals industries. Also included is a description of neutron interaction methods now being introduced to give a total elemental analysis, calorific value and ash-content, on-line.
Book Synopsis Borehole Gamma-ray Spectrometer for Uranium Exploration by :
Download or read book Borehole Gamma-ray Spectrometer for Uranium Exploration written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a system designed to measure the concentrations of potassium, uranium, and thorium in boreholes. The system is divided into a linear pulse processing subsystem that consists of the probe and part of the surface electronics, and a digital recording subsystem. Gamma rays are detected in one of two NaI (Tl) crystals and the voltage pulses resulting from the scintillations in the crystal are linearly transmitted to the surface. The pulses are separated and counted in each of three channels corresponding to a window of energies in the gamma-ray spectrum. The resulting counts are then recorded on magnetic tape and optionally listed on a printer and strip-chart recorder. The recorded data are processed at a central computer where a graphic display of potassium, uranium, and thorium concentrations is constructed. Following a detailed description of the spectrometer system, some geologic/lithologic relationships are suggested where this system can be applied; some examples of log data obtained with this system are also included. 22 figures, 6 tables.
