Theron Wasson, 1948. "Creole Field, Gulf of Mexico, Coast of Louisiana", Structure of Typical American Oil Fields: A Symposium of the Relation of Oil Accumulation to Structure, J. V. Howell
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Creole is the first oil field discovered in the open waters of the Gulf of Mexico. Seismograph exploration work done in 1934 led to the drilling of the discovery well in March, 1938. The companies developing this field were pioneers in the drilling of slanting holes from one platform, some with angles as high as 44º from the vertical. Oil accumulation is found in three sands of the middle and lower Miocene from 5,100 to 6,600 feet in depth. Accumulation is controlled by up-to-the-south faulting which seals the producing sands against shale bodies. Geologists supervising the development of the field have worked closely with engineers in the drilling of directed holes from a single platform. Special tools for directional drilling and orienting the holes were necessary and are described briefly. The deepest test drilled did not encounter salt; however, Creole is probably on a deeply buried salt dome.
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Structure of Typical American Oil Fields: A Symposium of the Relation of Oil Accumulation to Structure
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 39 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. The volume concludes with a summary paper on the role of geologic structure in the accumulation of petroleum. Fields include: Florence, Colorado; Stephens, Arkansas; Kevin-Sunburst, Montana; Bradford Pennsylvania; and Salt Creek, Wyoming.