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Reservoir Engineering – Laboratory Research - Calculation of Relative Permeability from Displacem...
By R. E. Gilchrist, R. F. Nielsen
When a gas is displaced by mother in a porous medium, and there is a relative immobile liquid present. there is a transition zone in which the gas composition varies from essentially that of the origi
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Production and Preparation of Blast-furnace Flux
By P. C. Hodges
WHILE there is very little romance connected with the operation of a stone quarry, yet to those who have participated in the growth and development of a business that has been a pioneer in its field a
Jan 1, 1936
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Papers - Gold and Silver Milling and Cyaniding - Increasing Gold Recovery from Noranda's Milling Ore
By G. C. McLachlan
Two papers dealing with Noranda's milling operations have already been presented. The first1 of these covered the initial metallurgical problems connected with the treatment of the ore, while the
Jan 1, 1935
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Minerals Beneficiation - Recovery of Molybdenum by Liquid-Liquid Extraction from Uranium Mill Circuits
By J. E. House, C. J. Lewis
In the solvent extraction process, also referred to as liquid-liquid extraction, the clarified uranium-pregnant sulfuric acid leach solution is contacted with an organic extractant dispersed in kerose
Jan 1, 1961
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Mining Geology - Fields of the Economic Geologists Widen and Their Technique Improves
By Donald McLaughlin
INCREASING variety of interests among mining geologists is becoming more and more marked, as the frontier of their science and of its applications continues to expand. Each of the traditional lines of
Jan 1, 1940
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Technical Papers and Notes - Extractive Metallurgy Division - Data on Copper Converter Practice in Various Countries
By F. E. Lathe, L. Hodnett
This paper summarizes extensive data supplied by 40 copper converter plants in 18 countries, and includes a partial analysis and comments on the effect of converter slag composition and temperature on
Jan 1, 1959
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Mineral Economics - U. S. Share of World Metal Output Declines in Last Decade
By Arthur Notmon
WORLD production of the three major nonferrous metals, copper, lead, and zinc, in 1939 will aggregate about 6,050;000 tons, compared with the all-time peak of 6,237,944 tons in 1937, and the previous
Jan 1, 1940
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Minerals Beneficiation - Rheological Properties of Solid-Liquid Suspensions, I-Movement of Immersed Bodies in the Turbulent Flow Range
By L. W. Pommier, F. B. Brien, A. K. Bhasin
In the field of mineral processing, although many operations are applied to suspensions of ore particles in fluids, there is a lack of fundamental knowledge relative to the flow resistance encountered
Jan 1, 1970
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Minerals Beneficiation - Theoretical and Experimental Studies of the Kinetics of Grinding in a Ball Mill
By F. W. Bowdish
A theoretical and experimental laboratory study has shown that the rate of breaking of oversized particles in a ball mill is proportional to 1) the concentration of such particles, and 2) the area of
Jan 1, 1961
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Institute of Metals Division - Metal Crystal Orientation Using the Polarizing Microscope (TN)
By H. D. Mellom
The direction of the optic or "C" axis of a uniaxial metal crystal can be found with the metallurgical polarizing microscope by examining two planes of section on the crystal. Complete orientation of
Jan 1, 1962
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Reservoir Engineering - General - Transient Stresses and Displacement Around a Wellbore Due to Fluid Flow in Transversely Isotropic, Porous Media: II. Finite Reservoirs
By K. E. Gray, M. S. Seth
In Part I of this work,1 equations of elasticity were formulated for transversely isotropic, axisymmetric, homogeneous, porous media exhibiting pore fluid pressure. Equations of elasticity and the the
Jan 1, 1969
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Coal - Shaft Sinking and Lining in the Southern Illinois Coal Field
By J. W. MacDonald
Review of equipment, performance, and shaft design plans including head-frames for sinking and forms for lining are given. Also included are comparative data for shafts of 11 x20 ft and 193/4 x 30 ft
Jan 1, 1961
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Reservoir Engineering – General - The Compositional Reservoir Simulator: Case I – The Linear Model
By J. Douglas, W. T. Ford, G. E. Henderson, I. F. Roebuck
An implicit numerical method is presented for simulating the differential and algebraic relations governing one-dimensional three-phase flow in porous media. The method is based upon compositional rep
Jan 1, 1970
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Geology - Quantitizing Geological Parameters for the Prediction of Stable Slopes
By W. C. Lacy
This article is a progress report of a program designed to quantitatively evaluate geological parameters to predict stable slope angles. The author feels that, although there does not appear to be any
Jan 1, 1963
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Superorganizing Professional Engineers
By A. B. Parsons
AN often repeated criticism of the profession of engineering is that it is as a whole it lacks solidarity. organization, co-ordination, and leadership. Significantly, the critic, are all engineers. Ot
Jan 1, 1943
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Coal - Continuous and Automatic Measurement of Moisture in Coal by Capacitance
By L. A. Updegraff
Before discussing the application of capacitance for the measurement of moisture content in a moving stream of coal it might be well to first give a brief description of the process and then show how
Jan 1, 1961
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Geology of the Iron-Ore Deposits of the Firmeza District, Oriente Province, Cuba
By Max Roesler
I. INTRODUCTION THE following article concerns the geological occurrence of the iron-ore deposits on the south coast of Cuba. The article is based on a detailed field study, made in the hope that som
Jan 10, 1916
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Industrial Minerals - Chemical and Metallurgical Limestone in Northern and Northeastern States and Ontario
By K. K. Landes
The north central and northeastern states supply over 50 pct of the chemical and metallurgical limestone produced annually in the United States, and Ontario is the leading source of this material in C
Jan 1, 1961
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Foreword by Brower Dellinger, President
Jan 1, 1970
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Beer Cans - A New Use for Tin and Steel
By M. W. BERNEWITZ
ALL live producers and manufacturers of metals and alloys are investigating new uses for their products. The tin and tin-plate industry is no exception. One-third of all the new tin mined and refined
Jan 1, 1935