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By C. A. Fisher

THE discovery of petroleum in Pennsylvania in 1859 marked the birth of an industry of paramount importance. Spreading from - Oil Creek, this remarkable industry may be said to have embraced the earth in a little more than half a century. Those who made the discovery little realized its deep significance or far reaching influence on our national life. For over sixty years, during which time this nation has created and developed the oil industry to a high state of efficiency and' carried its activities to all parts of the world, we have' at all times been the leaders in the production of crude oil and in the development of its technology. During the unprecedented growth and expanse of the oil industry there has been an increasing dependency of our basic industries on, petroleum, until at present it has become essential to our national existence. To meet the ever increasing demand for petroleum and its products, we have explored, at one time or another, for their oil possibilities, practically all parts of the sedimentary rock area in the United States. Furthermore, detailed surface and, in many places, subsurface studies have been made of all the promising regions; over 640,000 jewells have 'been drilled for. oil since the beginning of the industry; $12,000,000,000 have been spent in this work; seventeen major fields exceeding 100,000 bbl. daily production and more than a thousand minor pools have been opened up, and 8,000,000,000 bbl. 'of oil have been produced, or an amount nearly equal to the estimated future reserves of the United States made in 1921.

Jan 1, 1925

By AIME AIME

ANOTHER meeting of the Institute has passed into history and it fully sustained the reputation of the Institute as a live organization of the men, and nowadays the women, concerned with the mineral . ? industries and those working therein. The field meetings of, the 1nstitute are cine of its pleasantest and most valuable features. As Dr. Raymond used to say, ((It is good for a mining engineer once in a while to see a mine" and these meetings bring back to the mines those who, through progress into higher executive positions, have come to visit them infrequently, at the same time that they give opportunity for the .younger men to see regions and mines aside from those in which they are then working. This, and the formal and' informal interchange of information resulting,, is of the greatest professional value to all, while the meeting of old and making of new friends causes each meeting to be notable in turn. This year's meeting at Salt Lake City was one of the largest that has been held outside of. New York City; 470 members and guests registered while many more were present at the sessions without attending to this formality. '

Jan 1, 1925

By M. L. Requa

EVERY forward step in civilization brings with it an increase in population and increasing demand for raw materials. Modern civilization, because of its industrial development, depends more and more for its well-being on ample supplies of raw materials; the higher the type of that civilization, the greater its dependence. No fact is more obvious than that the raw materials should be put to use with greatest prudence and efficiency. National life is not a matter of a decade or a century. Conservation is no longer a matter for political discussion; it is a vital element in the future welfare of all nations. Unfortunately, to the minds of many, conservation means the locking up of natural resources, their arbitrary withdrawal, bringing about, in short, a condition of industrial stagnation. This has occurred in past centuries through misdirected governmental effort. Two eminent engineers have variously defined conservation as follows:

Jan 1, 1925

By Charles Camsell

At the Annual General Meeting of the Institute in 1924. I endeavoured to present the position held by the mineral industries in the commercial life of this country. The facts and figures were presented at that time in a detached way. Since then, however, I have made some attempt to analyze them in order to determine the causes for that position and to draw some conclusions as to the future of the mining industry. As everyone knows, our trade figures are very often used in political discussion, especially in discussion of tariff policy. It would be entirely out of order for me to say anything touching the tariff issue and I want to have it clearly understood that, in my opinion, the material I am about to present contains not a single statement or conclusion which anyone would be warranted in using as an argument for either a lower or a higher tariff or for tariff changes of any kind. As a starting point, let me re-state, very sketchily, Canada's general situation in external trade. In the last calendar year, 1924, we sold Canadian merchandise of all kinds to other countries to the value of $1,045,000,000 in round figures. Our purchases abroad reached about $893,000,000. Thus our sales exceeded our purchases by roughly $152,000,000. In other words, we had what is known as a 'favourable balance of trade' - one of the biggest favourable balances we have ever had in our history. The proceeds of our sales of Canadian products enabled us to meet the bills for all our purchases of foreign commodities and, in addition, placed a large surplus to our credit with which to offset our interest charges and other obligations abroad.

Jan 1, 1925

By R. Van A. Mills

Rapid deterioration and destruction of metal equipment in oil and gas fields cause waste of resources and financial losses that must be lessened or eliminated if operations in many important fields are to continue profitable. The magnitude of this destruction is proved by the huge consumption of iron and steel pipe, tubing, casing, pump valves, and sucker rods to replace worn-out equipment, and by the amount of such equipment that is left in wells or junked. (See PI. I, A and B, and PI. II, A and B, and Fig. 14, p. 61.) This destruction of equipment constitu~es in itself a serious waste, but contingent production troubles, such as underground leakage of oil through defective tubing and pumps, and the consequent loss of oil and gas because of damage to pay sands by infiltrating water and silt, frequent and costly repairs with necessary suspension of production, and the ultimate injury to or loss of valuable wells, often cancel all operating profits. Many of these troubles result from rapid destruction of metal equipment by corrosive waters. The strata penetrated by the wells usually contain saline waters. Certain types of these waters, with their associated gases, are intensely corrosive; they attack well casing or tubing so vigorously as to riddle it with holes, rendering it useless in a few years or even a few months or weeks after it is installed. Pump plungers, working barrels, balls and seats of valves, and screen pipe, as well as lead lines and other surface equipment, are ruined with equal rapidity. The development and application of practical methods to retard or prevent this corrosion are among the most urgent problems of the oil and gas industry. Although much progress has been made in preventing the corrosion of metals, the need for reducing the damage from corrosion in oil and gas fields is still imperative. This is especially true of underground corrosion in the wells, because underground conditions favor corrosion and are difficult to study; hence they have not been thoroughly understood. In efforts to stop ~amage to oil and gas field equipment by corrosion, numerous methods have been proposed or tried with varying success. Some of these methods are cheap and effective. However, it is surprising that in many important fields the damage by corrosion is accepted as necessary or unavoidable, although cheap and effective methods that have been developed and successfully tried elsewhere might greatly reduce the trouble or eliminate it. This bulletin describes common causes and effects of oil and gas field corrosion and outlines methods of abating the damage. In order to accomplish this purpose best, the writer has avoided taking sides in controversies between the advocates of different metals for oil-field use; instead he describes the methods of combating corrosion in the various fields and suggests experiments that may yield valuable results. Throughout the paper he has freely used information from published reports of other investigators.

Jan 1, 1925

By R. R. Hornor, Harry E. Tufft

The purpose of this bulletin is to point out some of the benefits and economies to be derived by selecting, preparing, storing, preserving, and utilizing mine timber more carefully and to give some specific information on certain preservatives and processes suitable for mine timber.

Jan 1, 1925

By H. C. George

This bulletin deals with prime movers, power-transmitting machinery, and the surface equipment and methods used to pump oil wells. It does not discuss geological problems nor the methods and equipment used in drilling or at flowing oil wells. Much of the presentation is by photographs and drawings which are described in the text. Underground equipment and methods for pumping oil wells will be discussed in a later publication of the Bureau of Mines.

Jan 1, 1925

By Thomas Fraser, E. A. Holbrook

The data in this bulletin were obtained during an investigation of screening practice by the University of Illinois engineering experiment station and the United States Bureau of Mines under a cooperative agreement between them and the State of Illinois Geological Survey Division. Earlier work on this subject includes a study of the general practice of coal preparation in Illinois, made in 1914 and published in 1916/ and an investigation of Illinois coal-w.ashing methods, results of which were published in 1912 in a bulletin 2 that contained complete information on the methods then in use for sizing washed coa 1.

Jan 1, 1925

By Bernard M. Larsen, Clyde F. Williams, Edward P. Barrett

"Introduction.The Bureau of Mines at its Northwest Experiment station has been studying the production of sponge iron for the past four years, and during 1923 progress advanced to the point industrial applications can be safely considered. A furnace was operated commercially at silver City, Utah, producing about three tons of sponge iron daily.The Bureau was led to undertake this work by the interest in the use of sponge iron for copper precipitation and for conversion to iron and steel in the electric furnace.If a piece of iron oxide is completely reduced at such a low temperature (850 to 900° C) that no sintering or fusion takes place, then the piece of metallic iron formed has the same size and shape as the original piece of oxide on account of the removal of oxygen, the structure is finely porous, exposing a large surface of iron, and the apparent density is less than that of the original piece of iron oxide. This material is called ""sponge iron"". Chemically, it is a very reactive material."

Nov 1, 1924

By Chas. E. van Baraeveld

"The information presented in this report is a by-product of studies concerning zinc, and is published in response to various inquiries for information as to the suitability of zinc for roofing. It parallels a previous report of the Bureau of Mines on slate roofing.Available Forms of Zinc RoofingZinc is available for roofing in three forms: 1. As sheet zinc which may be used advantageously on roofs with as flat a pitch as 1 in 4; laid with standing seam construction for small roofs and with batten construction for large roofs. 2. As corrugate sheets, in widths up to 40 inches and in lengths up to 8 and feet, available for siding and roofing in industrial buildings (with certain re¬strict ions) and or farm buildings (without restrictions). 3. In the form of shingles.Advantages of Zinc Roofing1. Zinc is a permeant roofing material; that is, when suited to the conditions, and properly applied to a roof designed with the right purlin spacing it will outlast the building and still have a salvage value equal to a least half the original material cost. It is applicable to a wide range of conditions, from the most expensive to the cheapest type of construction, and is not greatly above the cheaper materials in first cost. A permanent roof of simple outline need not cost over $15 to $25 per square (100 square feet), depending upon the method of construction required a corrugated sheet roof for industrial purposes or for farm use need not cost over $15 per square for ordinary conditions. 3. Corrugated zinc sheets have the distinct advantage of being available for re-use and re-construction if handled with ordinary care. 4. Zinc oxidizes to a certain point, building up a strong protective coating which in time effectually checks further oxidation; thus it does not oxidize to the point of destruction as steel does, 5. It is light and easily handled."

Nov 1, 1924

By D. Harrington, M. W. Von Bernewitz

"Introduction In studying the mine disaster files of the Bureau of Mires for preparation of a bulletin on coal-mine explosions, a table was compiled covering various features of fan installations and the handling of air currents at the time of and after the disasters. As a sidelight on this discussion, there was tabulated the loss of life and number of men injured.Discussion of collected dataOf the 164 disasters tabulated, 148 were explosions, 14 were fires, and 2 involved both fire and explosion. The total loss of life was 4,158 and 412 were injured. There were 145 disasters in bituminous coal mines, 13 in anthratice mines, 2 in lignite mines, 1 in a cannel coal nine, and 3 in metal mines. By States, 35 took place in Pennsylvania; 17 in West Virginia; 16 in Oklahoma and Alabama; 15 in. Kansas and Illinois; 12 in Indiana; 7 in Colorado; 6 in Kentucky; 3 each in Ohio Tennessee and Wyoming; 2 each in Arkansas, Montana, Washington, Virginia, New Mexico and Utah and 1 each in Iowa, Missouri, Maryland, and California."

Sep 1, 1924

By L. C. IlsLey

"There is an old saying that ""It is too late to lock the stable after the horse is stolen"". Is not this just what is being done by many mine operators today when it comes to buying safe electrical equipment for gaseous and dusty coal mines?The ""open type"" of electrical equipment or even the ""half safe"" type represents the unlocked stable. After the mine disaster, and after men have lost their lives, the lock is put on - that is, safer equipment is installed.For example, an open type of electric coal drill was used in a gaseous mine in West Virginia, This was the probable cause of the death of 27 men. A half safe type of electric coal-cutting machine was used in a gaseous mine in Pennsylvania. This was likely the cause of the death of 36 men. An unapproved, unsafe type of flame safety lamp was used in a gaseous and dusty mine in Utah. This was the all¬eged cause of the death of 171 men. All three disasters happened within the last six months, and seem to have been avoidable if proper equipment had been used.It is understood that more rigid requirements will be enforced in West Virginia. The committee of State mine inspectors made definite recommendation for im¬proving the conditions in the given mine in Pennsylvania. The Industrial Commission of Utah have already issued new orders which will remedy the use of unsafe lamps in that State.These acts and recommendation are all good and will help prevent accidents in those States in the future. Is it not a pity that such recommendations and order were not made a little earlier before the tell of life had been exacted? Is it not a pity that other States will not take these lessons to heart and safeguard their mines before and not after disasters take place?Electric current can cause accidents in five general ways as follows: (1) By shock to persons; (2) by igniting powder; (3) by igniting gas; (4) by igniting coal dust; and (5) by setting fire to inflammable material such as timber and coal. A great many accidents from these causes are preventable if proper care is taken. Most of the accidents caused by sparks and flashes from electrical apparatus would not take place if approved electrical equipment was used. By approved equipment, the writer means equipment that has been tested and formally approved by the Bureau of Mines. So far as known, up to the present time, no disasters have been caused by sparks or flashes from equipment having the Bureau's approval."

Jul 1, 1924

"When a metal-mining company takes out a workmen's compensation insurance policy, it does so to relieve itself of its uncertain and variable financial liability under laps requiring payment to employees for lost-time accidents, there-by passing the liability or to the insuring agency. For this service, or rather for the assumption of the risk, the insuring agency charges the mining company a price, or in insurance parlance, ""a premium"".The insuring agency depends upon a volume and variety of business to average the losses incurred by its individual policy holders, and determines its price to cover losses that are suffered and its cost of doing business.It is generally known that all types of insurance are founded on the theory of probability applied to large groups of risks, Workmen's compensation insurance is no exception, and the average price paid therefor must be based on the frequency and severity of accidents in the particular industry or branch of industry under consideration. The frequency and severity rates are determined by statistics, which, of course, unless standardized, kept carefully and consistently, and analyzed properly, are liable to be inaccurate and misleadingThe importance of large groups in arriving at an average price for insurance service can not be overestimated, For example the writer knows of one small group of some twenty metal-mining companies whose losses during the past two years exceeded their premium charge by 54%. Not a single individual company during the two years kept its losses below the premium rate. For several years the group as a whole has persistently exceeded its premium rate, Such risks are not profitable to the insuring agencies and can only be carried where a large volume of good risks will balance the poor risks, but in order to conform to good insurance ethics the premium rate must be based on averages for the industry as a whole, and kept sufficiently low to induce operators to sell their risks."

May 1, 1924

By H. W. Gillett, E. L. Mack

"This report describes the trend of developments in electric brass-furnace practice in the last two years, and supplements Bureau of Mines Bulletin 202, ""Electric Brass-Furnace Practice"", which was published in 1922. In that bulletin it -as pointed out that some of the lines on which electric brass-furnace progress would take place were clear, but others were less so.Developments in foreign countries.Foreign brass-melters have not yet adopted electric melting to an extent comparable to its use in the United States. It is doubtful Whether all foreign countries combined use 100 electric brass furnaces; of these about 35 are of American make (Ajax, Detroit, Baily) and are operating in Canada, Mexico, England, France, Japan, Sweden, Switzerland, Spain, Norway, Germany, Argentina and Czecho-Slovakia.`The Rennerfelt furnace finds some use in Sweden (1)c, notwithstanding its high metal loss on alloys high in zinc, Two German firms are reported(2) to be using the Rochling-Rodenhauser induction furnace on bronze, the average energy consumption being given as 400 kw.-h. per ton. No comment is made on any trouble from the ""pinch effect"", A firm in Switzerland is reported (3) to use three 600-lb., direct-arc furnaces of its own design to melt babbitt, antimonial lead, coinage silver, nickel, copper, and brass. The metal loss on yellow-brass turnings is high. Use Of a direct-arc furnace in England, with precautions aimed to prevent surface overheating, vas abandoned (4) in favor of an Ajax furnace."

Apr 1, 1924

By W. P. Yant, G. W. Jones

"Introduction.During the past two years the Bureau of Mines has conducted a study of natural-gas heaters*** to determine (1) what types of heaters literate carbon monoxide; (2) why carton monocide is liberated; and (3) how, by change of design or construction, the liberation of this gas can be largely eliminated, In addition to the above study the bureau has investigated cases in the Pittsburgh dis¬trict where fatalities have resulted from carbon monoxide given off by natural-gas heaters.Since these fatalities were first brought to the attention of this bureau through the press, it is likely that some cases were missed and thus not listed. On the other hand, some cases reported as being due to carbon monoxide poisoning, on investigation were found to be due to causes other than carbon monoride.The cases listed herein were shown in all probability to be due to carbon monoxide. Those in which there is any doubt have been omitted; so have those in which there was part asphyxiation, where the victims later recovered."

Feb 1, 1924

By Rush Greenslade

THE oil and gas lease is the basic contract of the oil and gas industry; it is the foundation stone upon which the producing industry, particularly, is based. As the industry is precarious and highly speculative, the foundation contract should be of the utmost integrity and certainty. But right there an anomaly exists; the oil and gas lease is the most obscure, most uncertain, doubtful contract in the realm of law today. That is a condition that must be considered when taking oil and gas leases, and when buying, selling, and holding them. It may fairly be asked why should this industry rest upon so insecure a foundation. Why should not the oil industry rest upon the contract that is the basis of all industry, the warranty deed? There are many contributing reasons, but the principal one is business expediency. The Anglo-Saxon idea of ownership of land is that every land owner owns from the center of the earth to the sky all that is above and all that is below-consequently the oil and gas are owned by the person who owns the surface. That idea is not exactly true with reference to oil and gas, for many states have adopted the doctrine that oil and gas are like wild animals; they are fugacious and migratory and belong to the man that traps them. But, except for that doctrine, we believe that oil and gas are owned by the owner of the surface, wherein we differ from the Latin-American countries where the mineral rights are owned by the government. The United States was settled largely by homesteading. The owners of land were, in the main, farmers, who did not have the means or the faith to drill for oil or gas. The operators or speculators did not want to buy the land on the mere possibility of finding oil; hence a compromise resulted by which the land owner gave the speculator or the operator what he called an oil and gas lease, or a right to go upon his land and drill for oil and gas. What is supposed to be the first oil lease placed on record reads as follows: Agreed this 4th day of July, A.D. 1853, with J. D. Angier of Cherrytree township in the county of Venango Pennsylvania that he shall repair up and keep in order the old oil springs on land in said Cherrytree township, or dig and make new springs, and the expense to be deducted out of the proceeds of the oil, and the balance, if any, to be

Jan 8, 1924

By Harold Price

ONE year ago, that is in January, 1923, there had not been constructed a single oil-storage tank of 55,000-bbl. or more capacity with a completely electric welded roof and bottom. Today, there are at least fifty 80,000-bbl. storage tanks completed, or nearing completion, on which both the roofs and the bottoms are electric welded. It is the purpose of this paper to describe, in a general way, the construction of these FIG. 1.-ELECTRIC-WELDED SEAMS AND RIVETS OF BOTTOM IN 55,000-BBL. TANK AT EL DORADO, KANS., SHOWING ALSO PATCH PLATE WELDED TO BOTTOM. welded roofs and bottoms, and to give their advantages over riveted construction. All of the following data and conclusions were obtained from observations made during the welding of tanks by the Welding Engineering Co. at Texas City, Tex., and Tonkawa and Burbank, Okla. As far as can be determined, the first electric welding on large tankage was completed in May, 1922. At that time the Empire Companies of Bartlesville, Okla., discovered a badly leaking bottom in a 55,000-bbl. tank at El Dorado, Kans. They had considered concreting this bottom, but because of the much smaller cost, decided to try electric welding; so a- contract was given the Welding Engineering Co. of Bartlesville, Okla. In this instance, no new sheets were added, the bottom being repaired by electric welding of all seams and rivets, Fig. 1. In some places where the original rivets were missing, the holes were filled by welding; patch plates were also added at certain badly worn spots. This tank has since been in service over a year and half, but no other

Jan 6, 1924

CONTENTS PAGE BAIN, EDGAR C.-The Nature of Martensite. Discussed by Ancel St. John, Henry S. Rawdon, Jerome Alexander, Howard Scott 1 FEILD, ALEXANDER L.-Effect of Zirconium on Hot-rolling Properties of High-sulfur Steels and the Occurrence of Zirconium Sulfide. Discussed by Beram D. Saklatwalla, Bradley. Stoughton, Andrew M'Cance, George F. Comstock, Alexander L. Feild 12 SAUVEUR, ALBERT and KRIVOBOK, V. N.-Use of Sodium Picrate in Revealing Dendritic Segregation in Iron Alloys. Discussed by George F. Comstock, John H. Hall 17 KINNEY, C. L., JR.-Economic Significance of Metalloids in Basic Pig Iron in Basil Open-hearth Practice. Discussed by V. J. Pazzetti, George B. Waterhouse, C. L. Kinney, Jr 19 NEAD, J. H.-Absorption of Sulfur from Producer Gas in Open-hearth Furnaces.. Discussed by George B. Waterhouse, C. L. Kinney, Jr 26 PRIESTLY, WILLIAM J.-Effect on Steel of Variations in Rate of Cooling in Ingot Molds. Discussed by Emil Gathmann, Paul E. McKinney, George A. Dornin. 27 MONYPENNY, JOHN H. G.-Stainless Steel, with Particular Reference to the Milder Varieties (Stainless Iron). Discussed by P. A. E.-Armstrong, Beram D. Saklatwalla 33 ROYSTER, P. H., and JOSEPH, T. L.-Effect of Coke Combustibility on Stock Descent in Blast Furnaces. Discussed by Ralph H. Sweetser,. Richard Franchot, Sidney Cornell, T. L. Joseph 41 DAVIS, F. W., and BOLE, G. A.-Observations on Requirements of Refractories for Open Hearth. Discussed by C. L. Kinney, Jr., L. F. Reinartz, P. E. McKinney 46

Jan 5, 1924

Professor Skeats said: I wish at the ,outset to express my appreciation of the h0!-l0ur conferred on me by my election as President of this Institute for the ensuing year. The selection of a geologist for this position by a body of mining engineers andmetallurgists may be taken as an indication of the recognition that the subject is one which may play a useful part in the great metal industry. Among the records of primitive man the finding of implements of bronze and of iron indicated one of the important, advances made in human civilization, and shows that...

Jan 1, 1924

By Charles Gottschalk

Some time after my arrival in Rock Springs to fill a short engagement with The Union Pacific Coal Company, Mr. Dickinson informed me that he had placed me on the program for a paper entitled "Mechanical Loading in Indiana." Since development of mechanical loading operations on a genuine coal producing basis for that section began near Oakland City, Indiana, and rapidly spread over Southern Indiana, Western Kentucky and Southern Illinois simultaneously, the results referred to are in many ways common to all three states. Prior to December, 1922, several attempts at mechanical loading had been registered, notably among which were installations of the Jeffry Entry Driver, and the Meyers-Whaley loader. The object of most of these earlier installations was quick development rather than lower production costs in face loading. In this measure it is claimed the machines were at least partially satisfactory. Three items which seemed to delay rapid progress in the adoption of either machine were, excessive first cost, height of coal seam necessary, and timidity of the operator relative to the labor situation which might develop. When the Joy machine was put on the market in the form of the 4-B.U., with a clearance overall which would perform in coal slightly under five feet in height, and at a cost price of less than one-half that of other machines being sold, many operators were at once ready to take a chance along with the manufacturer. This desire was accentuated by the difficulty to operate coal mines at all at prevailing production costs. This condition also made the coal miner more receptive to machinery which would give added employment to the field. At the convention held in Cincinnati during May, Mr. .Joy stated that about 200 of his machines were in operation at that time. Mr. Whaley said that about 40 of his were in use in coal mines. It is probable that of the above sum 75 machines were installed in Indiana, Illinois and Kentucky. Since that time, possibly 50 more machines of later design have been added. Like many of our troubles, those which seemed most difficult to overcome, proved in the end to have been least of all, and in this case the sup¬posed resistance which labor would advance has been more or less imaginary. In Illinois and Indiana a scale of wages is being accepted which is consistent with average earnings of machine men. The fact that a large number of coal operators want and are buying more loading machines has encouraged mining machinery manufcturers on every hand to devote renewed vigor to the cause and it is generally understood that new types and models are being developed both in factories and mines with the coal industry eager always to see the latest development. I understand that at present the Goodman, the Jeffry, and the Sullivan machinery companies are each offering new designs to meet Indiana and Illinois requirements. It is not strange that with so many installations many were made as a result of an impulse to ride the band wagon without any serious attempt to study the results or draw any conclusions from the experiences of others with loading machinery.

Jan 1, 1924