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By AIME AIME

Annual net production of crude oil from the Anglo-Iranian, Oil Company's fields in Iran for the years 1940 through 1945 amounted to: YEAR TOTAL PRODUCTION (Long Tons) 1940 8,626,639 1941 6,605,320 1942 9,399,231 1943 9,705,769 1944 13,274,243 1945 16,835,000 (preliminary figure) All developed fields were on almost continuous production throughout the war, though their operation naturally was hampered by war conditions, which affected particularly supplies of equipment.

Jan 1, 1946

By J. HUNER

Twenty-four new fields were found in Louisiana during 1945. Of this number 15 were oil fields, eight were gas condensate, and one a dry gas field. None of these fields, with the exception of West Delhi, is as yet of any great consequence. The Weeks Island field in Iberia Parish may eventually develop into a considerable reserve.

Jan 1, 1946

By J. M. GARZA

The production of oil in Mexico during 1945 was 43,402,852 bbl., or a daily average of 118,912 bbl. In March 1938 most of the oil properties were taken over by the Mexican Government and since then have been operated by Petroleos Mexicanos, an agency of the Government. The variations in the production during the last 8 years have been due to- fluctuations in the export market demand for Mexican oil rather than to the productive capacity of the fields. Since 1937, yearly production, to the nearest hundred thousand barrels, has been as follows :

Jan 1, 1946

By V. F. Marsters

THE main producing oilfields in Peru are located in the department of Piura and province of Thumbes, adjoining Ecuador on the south and west. In the department of Puno, a small field known as the Pirin or Hauncané Area was exploited some years ago by Fred Brown and associates and considerable production obtained. As. shown by the statistical table of production, this area reached its maximum production about 1909; since 1915, operations have been suspended. During the past year, however, the Peruvian Corpn. has acquired some interests in this section. It is reported to have made a few shallow tests with the hope of obtaining sufficient production to supply fuel for its railway lines, which operate between Mollendo on the coast and Puno and Cuzco in the interior. Only partial success has accompanied these efforts; nevertheless, exploitation is being continued. The petroleum of this region contains a paraffin base with small amounts of asphalt. While the gasoline content is small, the kerosene content runs as high as 30 per cent., with the fuel element varying from 50 to 72 per cent. While it is known that the structural conditions of the Huancané area are somewhat complicated, it is believed that exploitation based on a careful interpretation of the geology of the region will eventually yield commercial production of at least modest proportions. In the main fields in Piura and Tumbes, drilling operations were somewhat more active during the first half of the year, than in 1922. The latter half of the year witnessed curtailment, owing to the abnormal situation in the petroleum industry at that time. For the same reason, no attempt was made to obtain the maximum production from existing .wells. Production was pinched down and exportation of crude was correspondingly reduced during the latter half of 1923. Nevertheless, the total production of the Peruvian fields is considerably in excess of that for 1922, as is also the production of the Negritos area alone.

Jan 3, 1924

By V. F. Marsters

THE oil-producing territory of Peru is confined to the province of Tumbes and the department of Piura, located in the extreme northern end of the republic and adjacent to the southern border of Equador. The first real production came from Zorritos field, located on the shore line and in the province of Tumbes. The production of this territory was soon exceeded by that of the Negritos field, also located along the shore line and in the northwest corner of the department of Piura. Talara, lying a short distance north of the original or early producing area was made the shipping port. This field was developed by the London Pacific Petroleum Co.; it is now-operated by the International Petroleum Ltd. (Toronto, Canada). A little later, the Lobitos field came into prominence; it was first exploited by the Lobitos Oil Co. At present, it is operated by the British Oilfields Ltd. This field is located between Talara, on the south, and Zorritos, on the north. It is now the second largest producing area in the country, the Negritos being by far the largest both in area and production. In other parts of Peru, there have been periods of desultory prospecting, particularly in the department of Puno. This work was carried on in the surrounding region of what,is locally known as the "Pirin" field, developed by the Brown Brothers. It lies between Juliaca, a railway junction point and Lake Titicaca. No favorable results from the latest prospecting have been reported. During the past few months, an opinion has been expressed in various journals that it is doubtful if commercial production will be found in the high plains of the Lake Titicaca region. It is, however, due to the Peruvian oil industry to remember that the Pirin field, although covering but a small area, was a fair producer even under adverse circumstances. If the author's interpretation of the geology of the Titicaca section is correct, certain sections of the high plains will be found to be commercially productive, not-withstanding the unfortunate geographical position from the standpoint of transportation; or its elevation.

Jan 3, 1925

THE total crude production from the Dutch East Indies, and the British Protectorates of Sarawak and Brunei for 1932 is given in the following table: BARRELS BARRELS (42 GAL.) (42 GAL.) North Sumatra 4,226,935 Ceram 326,207 South Sumatra 13,956,157 Sarawak 2,739,650 Java 3,845,568 Brunei 1,322,725 Dutch Borneo (main island) . 9,406,733 Dutch Borneo (Island of Tara- kan) 6,579,184 Total 42,403,159 Production, which had shown a rapid increase from 1921 to 1929, has since been reduced. Exploitation drilling in the majority of the larger fields was suspended and existing production kept within predetermined limits by beaning. Most of the smaller fields were shut down entirely. The depth of producing levels varies widely in the different fields. Shallow fields with drilling depths to 500 meters (1650 ft.) are still numer-ous as well as those with depths between 500 and 1000 m. (3300 ft.). A few of the newer fields reach greater drilling depths. up to 1600 m. (5250 ft.). The deepest exploration well drilled to date (Djambi field, South Sumatra) reached a depth of 2332 m. (7650 ft.) before abandon-ment in March, 1930. The specific gravities of the various crude oils produced range between 0.65 (86.2° A.P.I.) and 0.95 (17.5° A.P.I.). The lighter crudes have a high gasoline content and fuel oils are derived from the heavier crudes, which usually are rich in paraffin.

Jan 1, 1933

THE man who forgot to mail the letters his wife gave him was for once justified at Tulsa, for envelopes, scratch paper and tablecloths were all in demand and through the two days of the meeting of the Petroleum Division, pencils were busy everywhere sketching out diagrams, drawing curves, figuring, or just taking notes. Those attending took the serious papers seriously, and discussion was wide-ranging but pointed. Despite the highly technical character of the papers presented, the chairmen had never to call for discussion; it was only necessary to say the paper was open for it. Both days the meetings lasted until after five in the afternoon, and it was enthusiastically voted to advance the meeting hour on Friday, in order to give more time. In all, ten papers, abstracts of which appeared in MINING AND METALLURGY for October, and copies of all but two of which were available in print, were presented in the two days, and no more could have been handled to advantage in that time. All but one of these dealt with problems of production engineering. That, the opening paper, was a general review of demand, supply and price in 1928, by Campbell Osborn, in which he argued for the price control of production and showed how the economic conditions determined development. J. Elmer Thomas presented a carefully prepared review of the same data, but came to somewhat different conclusions as to trend, and J. E. Pogue pointed out that in recent years it has been the manufacturing rather than the producing industries that have been notably profitable. These and other discussions were too long to be reported here, but will be printed in full later.

Jan 1, 1928

By Jerry B. Newby

In the central Ohio area well completions and new production each increased 60 per cent. in 1928 over the previous year. Gas wells increased only 27 per cent. The ratio of dry holes to total completions was unchanged. Ashland County led with 113 completions; a new pool in the shallow Berea sand near Jeromesville stimulated activity. Licking County in the Clinton deep sand territory, however, lead in new production with 972 bbl. Two other deep sand counties followed closely, Coshocton with 831 bbl., and Muskingum with 718 barrels. The Trenton rock or Lima field of northwestern Ohio declined sharply in oil well completions to 130 for 1928 from 210 for the previous year. New production increased from 3000 to 6100 bbl., the increase coming from the Murphy pool in Liberty township, Seneca County. The total of gas wells was unchanged as compared with 1927. The ratio of dry holes to total completions rose from 13 per cent. in 1927 to 27 per cent, in 1928. The largest producer in the Murphy pool made 1200 bbl, in the first 24 hr. The total depth of the wells in this pool averages 1475 ft.; average initial production, 125 barrels.

Jan 1, 1929

By Ralph Arnold

The lure of possible new oil fields shut off development of the older Montana fields during the year 1928, cutting down the total production to less than the 1927 mark. However, with the production of oil worth approximately $7,000,000 during the past 12 months, Montana oil producers pushed their total up to $44,000,000 taken from two principal fields during the past 8 years. The highest prices in the United States for oil of similar gravity gave northern Montana producers a decided advantage and brought up the value of the oil to about the same value as the 1927 production, although the oil runs were 1,000,000 bbl. less. Production by Fields The discovery of two new oil fields in the Sweetgrass Arch, in north central Montana, in 1927, diverted attention from the Kevin-Sunburst field. Many operators turned their attention to wildcats and practically all of the drilling contractors were called into the new Pondera and Bannatyne fields. Although discovered in 1927, the Pondera field developed its first commercial production in March of 1928. Mild interest was followed four months later by a rush of operators, and by August practically every string of tools had been moved from the Kevin-Sunburst field to Pondera. The fall months found 40 wells drilling in this field and as the year closed there were 100 producers. Pondera field is remarkable in that every well thus far drilled within the structure proper has been a producer. Dry holes have been drilled around the field, but none within an area of four sections. Experts estimate that Pondera will produce 5000 bbl, of oil to the acre. The producing area now outlined by wells drilled is expected to produce around 15,000,000 bbl. of oil. Pondera crude brings $1.75. This field has one pipe line and a second line is being laid. Lack of a pipe line delayed development of the new Bannatyne field, south of Pondera, and also in the Sweetgrass Arch. Bannatyne has 11 producing wells scattered over an area of approximately three sections. Bannatyne is a sand field with a 70-ft. sand in the lower Jurassic, which core-drill tests show to be 60 per cent. saturated. With the completion

Jan 1, 1929

By E. P. Hindes

The total amount of oil produced in the state of Oklahoma during the year 1928 was 242,286,400 bbl., as compared to 273,372,650 bbl. in 1927; 177,650,000 bbl. in 1926; and 167,900,000 bbl. in 1925. The year 1928 ranks second to 1927 in which more oil was produced in the state than in any previous year. The large in in 1927 and 1928 was due principally to the development of the Greater Seminole district. The decrease of approximately 31,000,000 bbl. in the 1928 production as compared with the production in 1927, was caused by a drop of nearly 8,500,000 bbl. in the Seminole district production and a more or less normal decline in the production of practically all the other older and more settled fields. During 1928 approximately 1800 producing wells were drilled in Oklahoma, which yielded during the year approximately 90,000,000 bbl. of oil. The average initial production of these wells was 850 bbl. per day, and the average daily production per well for the year was 137 bbl. The average daily production per well of the total number of wells producing in 1928 was 10.9 bbl., which is a 13.5 per cent. decrease from the 1927 average of 12.6 barrels. At the close of 1928 a total of 95,400 producing wells had been drilled in the state, and approximately 61,000 were still producing. The grand total amount of oil produced in the state from the time the first well was drilled up to and including 1928 was 2,553,000,000 bbl. The production in 1928 was 9.5 per cent. of the total oil produced in the state. Texas led all other states in 1928, with a production of 251,835,200 bbl. Oklahoma was second with 242,286,400 bbl., and California was third with 231,982,600 barrels. Fields outside Greater. Seminole District Practically all the old settled fields in Oklahoma experienced a normal and expected decline during the year 1928. The fields showing the most, pronounced decline as compared to 1927 were: Burbank, which dropped from 15,230,400 to 11,939, 150 bbl.; Tonkawa, from 7,692,000 to 4,952,900 bbl.; Garber, from 5,056,300 to 3,139,400 bbl., and Wewoka, from 6,188,-800 to 2,450,400 bbl. There were no new extensions, discoveries of

Jan 1, 1929

By A. R. Denison

The Permian Basin as it appears in the title of this article refers to three rather widely separated areas of production. It includes what are commonly known as the "Panhandle" fields of the northwest part of Texas; the West Texas fields, in the southwest part of Texas; and the New Mexico fields, in the southeast corner of New Mexico. These three areas are all included in a single province and produce the majority of their oil from limestones or dolomites of Permian age. The manner of accumulation of oil in the three areas is somewhat diverse. In the Panhandle, production is found on the flanks of an enormous structural ridge, the core of which is granite. In southwest Texas and New Mexico oil is produced from both gentle and steep folds and from lenticular areas of porosity. Production in Texas During 1927 Texas produced a total of 216,306,000 bbl. of oil of which the Permian Basin contributed 89,797,000 bbl., or 42 per cent. During 1928, Texas produced 255,021,000 bbl. of oil of which the Permian Basin contributed 145,955,000 bbl., or 57 per cent. The increase in total production is entirely due to the West Texas fields. All other districts in Texas declined during the year while the west Texas fields registered an increase of more than 71,000,000 bbl. West Texas daily average production increased from 260,752 bbl, at the beginning of 1928 to a maximum of 406,318 bbl. per day the first week in May. Due to prora-tion agreements, the production was held at a fairly constant level around 340,000 bbl. during the remainder of the year, having 345,660 bbl. the last week in December. Daily average production of the Panhandle fields decreased from 80,178 bbl. at the beginning of the year to 59,025 bbl. at the close of the year. The combined daily average production of the Panhandle and West Texas fields at the beginning of the year was 341,138 bbl. and at the close of the year was 405,408 barrels. Fig. 1 gives a comparison of the production in the Permian Basin in relation to the production of the entire state. It is clearly shown that

Jan 1, 1929

By D. M. Collingwood

The year 1928 has been marked by scattered but considerable wildcat drilling considering the overproduction prevalent in the oil industry. This wildcatting has resulted in the discovery of oil in one interior salt dome, several small fields producing from serpentine, Taylor marl, and Austin chalk, and two new fields producing from the Edwards limestone, one of which in the Bruner or Salt Flat area of Caldwell County promises to be of major importance if not quite as large as the Luling field. Fig. 1 shows production by fields for 1928, compared in the case of the older fields, with that for 1927. New Production From Salt Domes Boggy Creek Dome This salt dome was discovered in 1927 by core drilling and deep tests recommended on the evidence of surface geology. A large block of acreage controlled by the Humble Oil & Refining Co. covers the dome. Since the discovery of the deep-lying salt plug and oil on the flank of this dome in 1927, development has proceeded slowly. Since most of the acreage is controlled in a large block by one company there has been no intensive competitive drilling. Approximately 8 producers and 16 dry holes have been drilled. Production is from the eastern equivalent of the Woodbine and Eagleford horizons of the Mexia district, and has been found extending in a northeast-southnlest direction across the River Neches on the southeast flank of the dome. One of the best wells, the T. H. Jones No. 2, had an initial production of 90 bbl. per hr., and others have made from 100 bbl. per day to 50 bbl. per hr., but production of the better wells has either been shut in or choked down to less than 2000 bbl. per day. At the end of the year the daily average, production was about 2500 bbl. from 8 wells. Considerable gas pressure is present and one well, the Elliot Clark No. 2, drilled in 1927, was shut in with an estimated wet gas production of over 5,000,000 cubic feet.

Jan 1, 1929

By Gail F. Moulton

The production of petroleum in Illinois in 1928 was approximately 6,500,000 bbl., a decline of about 500,000 bbl. from the previous year and of about 1,500,000 bbl. from 1924. Production increased about 200,000 bbl. in Indiana to slightly less than 1,000,000 bbl. Production for 1929 is estimated at approximately 6,000,000 bbl. for Illinois and 1,000,000 bbl. for Indiana. Illinois Because production from most of the wells in the state has declined to a small daily average and the low prices for crude oil discouraged wildcatting, the number of wells drilled fell below that for any previous year since the development of commercially important production in the state. The Ohio Oil Co. discovered a pool of apparent commercial importance in southwestern Illinois near Dupo, in St. Clair County, and favorable showings of oil were encountered in a well in southeastern Illinois, near Harrisburg in Saline County. New production from the Dupo area is expected to check the rate of decline for the state. Thc following tablel summarizes field developments for 1927 and 1928 (for important detail by counties see notes at foot of table): 1027 1928 Completions........................................... 162 145a Initial production, bbl.................................. 2244 1840b Dry holes........................................,.... 66 58" Gas well completions................................... 13 8d 0111 wells abandoned.................................... 45" a Crawford, 44; Lawrence, 28; Wabash, 40. b Crawford, 501; Lawrence, 403; St. Clair, 165 (4 completions); Wahash, 668. o Crawford, 12; Wabash, 19. d Crawford, 6. b Lawrence, 21; Wabash, 15. The discovery well in the Dupo field in St. Clair County, produced about 150 bbl. per day from the Trenton lime at 660 ft. It is located in a northern extension of the Columbia-Waterloo anticline on which the Waterloo pool was developed in 1921. The best information on the.

Jan 1, 1929

By W. G. Wender

This report covers the area producing from limes and sands of Pennsylvanian age, roughly embracing the territory between the Red River on the north and the Llano Mountains on the south, and between Fort Worth on the east and Abilene on the west. It includes Archer, Cooke, Montague, Wichita, Wilbarger, Clay, Baylor and Foard counties in the North Central Texas or Red River Basin area, and Brown, Callahan Coleman, Comanche, Eastland, Erath, Palo Pinto, Stephens, Shackel-ford, Throckmorton, Young and Jack counties in the West Central Texas area. Furthermore, it includes a brief review of development in Jones, Runnels, Haskell and Fisher counties. North Central and West Central Texas during the year 1928 produced an approximate total of 50,948,7461 bbl. or oil. This represents a decrease of approximately 7,720,250 bbl. under 1927 total production. This decrease was due to a slump in production in Brown, Archer, Wichita, Stephens and Cooke counties. Brown County showed the greatest decrease. The 1928 prodction in this county was approximately 4,500,000 bbl. less than the 1927 production. Gross production during 1929 in the North and West Central Texas area can be expected to be lower than in the year 1928. Only one county showed a considerable increase in production. Wilbarger County production increased approximately 3,000,000 bbl. during 1928. Its daily average increased from 9000 bbl. in April to 36,000 bbl. in August. At the close of 1928 it was averaging close to 32,000 bbl. daily. Drilling activity in North and West Central Texas during 1928 showed but a slight increase in completions. The total number of completions during 1928 was 3902, of which 2094 (53 per cent.) were producers, as compared to 3805 completions and 2112 (56 per cent.) producers during 1927. Brown, Young, Wichita, Archer and Wilbarger counties were the leaders in development. The outstanding discoveries for the districts were the Consolidated pool, extensions in the Greyback pool of Wilbarger County, and the Stephens pool, Fisher County.

Jan 1, 1929

By Dean F. Winchester, C. D. Johnson

The so-called Rocky Mountain region is here made to include Colorado, Idaho, Montana, northern New Mexico, Utah and Wyoming, an area of great distances and relatively sparse population. Conditions of distance, transportation and markets have had their retarding influence on devolopment and production but the increase in facilities and markets in recent years has provided additional incentive for more thorough search for new productive areas and the more complete development of the known fields. The low prices of crude during the past year have offset, to a certain extent, the desire for increased production and much of the effort has been directed therefore to outlining new areas rather than to attempts to increase production from known fields and thereby add to the already sufficient supply above ground. During the year just closed the Rocky Mountain region has seen consistent efforts to outline new areas and these efforts have been reasonably successful. In this area a very large part of the land is government property, and by cooperation between the government, the private owner and the company it has been possible to carry on development in a scientific manner, providing for the maximum recovery of valuable products at least cost and at times when prices were best. Due to the fact that in the Rocky Mountain region costs of exploration and development are relatively high because of natural circumstances, it has been the policy of operators to drill test wells only on structures where they controlled a large proportion of the land. Even community lease programs have been effected in certain areas, thus obviating the necessity of offset drilling and the attendant uneconomical and even wasteful production. Oil production in the Rocky Mountain states has shown a slight increase during the year, the average daily production for November being 78,124 bbl. as against an average in January of 76,681 bbl. The total production during the first 11 months of the year, according to the U. S. Burcau of Mines, was as follows:

Jan 1, 1929

By Olin G. Bell

During the year 1928 ten new producing areas have been discovered and several extensions in oil and gas fields have been found in southwestern Texas. This year, however, will reveal itself as one of small profits in spite of considerable increase in production for the area as a whole over the previous years. At the beginning of 1928 the fields in this area (Fig. 1) were producing a daily average of 7500 bbl. from 730 wells, whereas at the close of the year the daily average had increased to approximately 14,000 bbl. from 827 wells. Production for the year was 3,453,938 bbl. The total oil produced in Southwest Texas since its discovery has been 16,955,-388 barrels. (Table 1.)

Jan 1, 1929

By Joseph Jenson

Total United States production for 1928 was 900,364,000 bbl. as compared with 901,129,000 for 1927, or 2,466,000 bbl. per day versus 2,468,000. The three major producing areas were Texas, Oklahoma and California. Texas production increased from 217,389,000 bbl. in 1927 to 256,888,000 in 1928—an increase of 39,499,000 bbl. following an increase of 44,500,000 bbl. in 1927. Oklahoma production amounted to 249,558,000 bbl. in 1928 as compared with 277,775,000 bbl. in 1927 and 177,650,000 bbl. in 1926. California production for 1928 was 231,982,000 bbl. as compared with 231,196,000 in 1927. Production increased markedly in Venezuela and declined in Mexico. Elsewhere no great changes or declines in production were noted. New discoveries occurred in nearly all districts. The many excellent reviews of the various districts of the United States presented at this meeting, are each fully summarized and tell their own story so well that little would be gained by attempting to repeat their content here. There are certain impressions to be gathered from these papers and certain trends that are indicated by them which may better be pointed out. OVERPRODUCTION Overproduction is the most serious one of them. Efforts to avert it resulted in a measure of cooperation in the oil industry more widespread in character and more beneficial in results than has ever been recorded in any previous year. These efforts were undertaken in the closing months of 1927 and enthusiastically effected before the spring of 1928 had passed. Unfortunately, slight advances in prices during the summer months accompanied by the letting down of this sort, of effort resulted in a marked increase of production during the latter half of 1928. Successful delay in the drilling of new prospective areas was in effect in Oklahoma. California delayed some drilling and increased its shut-in

Jan 1, 1929

By Jerry B. Newby

The outstanding features in Pennsylvania and New York during the past year were the buying of acreage for water-flooding in other Pennsylyania fields than the Bradford and Allegany districts, the wide adoption and use of the five-spot plan of development and water-flooding in the Bradford and Allegany districts, the discovery of gas production in the Onondaga lime in southwestern New York and the opening of the T. W. Phillips Gas & Oil Co. Fifth Sand pool in Butler County, Pennsylvania. Water-flooding has occurred in many other fields than the Bradford, Pa., and Allegany, N. Y., fields. In some the flood was a natural encroachment of edge water, in others the water was introduced into the productive sand through wells either accidentally or intentionally. Most of these floods have not been commercially successful. There has been some interest aroused in the Clarendon field, Warren County, Pennsylvania, by a new and apparently successful flood and other floods have been begun. Five-spotting in the Bradford and Allegany fields is the plan of water-flood development under which the area to be drilled is laid off in a grid of equal-sized squares with water intakes located at each corner of the squares and oil wells located in the centers of the squares. So far there are two five-spot water floods that are, beyond doubt,, commercial successes. There were 600 acres under five-spot flooding at the end of 1928, as against 150 at the end of 1927. By the end of 1929 there will be a total of between 1200 and 1500 acres five-spotted unless a low market for Pennsylvania grade crude oil develops. An increase of 6000 bbl. in average daily production is expected to accompany this development in 1929. The Belmont-Quadrangle Drilling Corpn. found the Onondaga lime or a higher strata at 3995 ft. north of Bolivar, Cattaraugus Country, N. Y., and a number of miles from any other important gas production. When drilled to 4006 ft. the well yielded 3,500,000 cu. ft. of gas and when shut in 1700 Ib. rock pressure. The one oil pool opened in 1928 was in Buffalo township, Butler County, Pa., in October, when the T. W. Phillips Gas & Oil Co. completed a wildcat well in the Fifth sand at 700 bbl. a day, which by the end of

Jan 1, 1929

By W. R. Wardner

During 1928 low prices in the East greatly restricted the Atlantic market for California petroleum. The situation was made difficult by only partial control of production. The month of December is estimated in the figures presented here and it is hoped that the differences in the final figures will be immaterial. Daily averages are used throughout. Production Daily average crude production for 1928 was 633,942 bbl., very little more than 1927. Natural gasoline production was 35,453 bbl. daily and the supply (crude and natural gasoline) was 669,395 bbl. However, potential supply was 785,621 bbl. daily, 47,436 more than that of 1927. This is accounted for by more production being shut in so that 116,000 bbl. daily was conserved in 1928 which would otherwise have been produced. Fig. 1 shows production by months for 1928. It will be noticed that while crude production held fairly uniform from January to October, the

Jan 1, 1929

By J. M. Vetter, W. F. Bowman

The Gulf Coast area of Texas and Louisiana produced a total of 47,070,650 bbl. of oil during 1928, a decrease of 7,401,173 bbl. from the previous year. Of this amount Texas produced 39,353,950 bbl., or a decrease of 9,689,296 bbl. from the 1927 output. The Louisiana Gulf Coast produced 7,716,700 bbl., which is an increase of 2,288,123 bbl. over 1927. The decrease in the Texas Coastal area is due principally to the decline at Spindletop. Production at the beginning of the year in this field averaged 53,400 bbl. daily. At the end it had declined to 35,850 bbl. The increase in Louisiana was due to development in new fields at Kelso Bayou (East Hackberry), Sulphur, Sweet Lake, Bayou Boullion and Sorrento. This production was maintained by the drilling of 984 wells. Of this number 736 were located in Texas and 248 in Louisiana. Of the 984 wells drilled, 571 were reported as producers. Distribution of the various completions is listed in the accompanying tables compiled by Oil Weekly. New Developments New developments of particular importance in Texas were the finding of a 5000-bbl. well in formations of Cook Mountain age in the Clay Creek field located in northern Washington County by the Sun Oil Co. ; the discovery of oil at Dewalt in Fort Bend County by the Humble Oil & Refining Co.; the development of commercial production at Raccoon Bend in Austin County by the same company; and the finding of oil in formations of Oligocene age in the Refugio gas field of Refugio County. The most important development in Louisiana was the finding of oil at Sorrento, east of the Mississippi River, by the Gulf Production Co. The importance connected with these finds is not so great in that they opened up new fields, but in the new territories which they open as possibly productive of oil. Eastern Louisiana has been looked upon with considerable doubt on account of the theory which has prevailed among most geologists that the nature of the formations was not such as to produce oil. The actual finding of oil in that area upsets this theory and

Jan 1, 1929