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Region 11

January 01, 1971


A detailed discussion of the geology and hydrocarbon potential of the Atlantic coastal plain, Atlantic offshore, and eastern Gulf of Mexico appears in the two following papers by J. Spivak and O. B. Shelburne (area north of Florida) and E. H. Rainwater (peninsular Florida and eastern Gulf of Mexico). This report is a brief summary of those papers, which cover the area shown in Figure 1.

On the Atlantic coastal plain and adjacent continental shelves in the Atlantic Ocean and eastern Gulf of Mexico, there is no gas production and the limited oil production is confined to a very small area in the southern part of the Florida Peninsula. In Florida, more than 300 exploratory tests have found only four oil fields in the past 26 years: Sunniland (1943); Forty-Mile Bend (1954); Sunoco-Felda (1964); and Lake Trafford (1969). The Forty-Mile Bend field was abondaned in 1956 shortly after its discovery. The Lake Trafford field was discovered in May 1969 and to date contains but one well. Production in all the fields, from a depth of approximately 11,500 ft (3,500 m), is from carbonate rocks in the Sunniland Limestone of Early Cretaceous age. Cumulative oil production in Florida since the first discovery in 1943 through December 31, 1968, amounts to only 15.31 million bbl of 20° gravity oil. Although there is a small amount of closure (less than 50 ft or 15 m) at the Sunniland field, the oil traps in the four Florida fields are more dependent on stratigraphy than structure.

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AAPG Memoir

Future Petroleum Provinces of the United States—Their Geology and Potential, Volumes 1 & 2

Ira H. Cram
Ira H. Cram
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American Association of Petroleum Geologists
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January 01, 1971




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