The original paper describing the Rainbow Bend field was presented at the Wichita meeting of the American Association of Petroleum Geologists in March, 1925, by the writer, jointly with David Dean. Since that time the field has been completely developed in the Rainbow sand horizon which is correlated with the Burbank and Bartlesville sand horizon. Approximately no producers were completed in the Rainbow sand, from which approximately 9,000,000 barrels of oil have been produced. The field is now making approximately 1,500 barrels per day, and unless other than natural production methods are used, the total recovery per acre will not exceed 10,000 barrels per acre. Natural-gasoline production is still more than 10,000 gallons per day, but is declining rapidly. Ideas concerning the relation between structure and accumulation have not been changed by drilling development since 1925, production being governed by the condition of the sand, which in this field is a lensed body, grading into shale in all directions and lying on the southeast flank of a Mississippian ridge whose axis extends northeast and southwest.
Figures & Tables
Modern petroleum geology in the United States had its beginning in the first decade of the 20th Century when the U.S. Geological Survey began mapping the structure of the rocks in and near old fields in order to discover the various types of structural conditions under which oil and gas are trapped. Structural geology has evolved as a branch of the broader science far more rapidly than have methods of mapping the attitude of rocks at the surface. This volume, published in the late 1920s, was designed to afford authoritative and modern descriptions of the structure of typical oil fields in the United States. Each of the 30 fields contained here is described by an author who is intimately familiar with the available data. The relationship of structure at the surface and at depth for different terranes is clearly set forth wherever the strata are not parallel. Fields include: McKittrick, California; Fairport, Kansas; Urania, Louisiana; Artesia, New Mexico; Burbank, Oklahoma; Cabin Creek, West Virginia; and Luling, Texas.