The East Hackberry salt dome, Cameron Parish, Louisiana, was discovered in 1926 by means of the seismograph. It is a knob on a large salt mass which includes West Hackberry. Most of the oil is produced from Miocene sands which are approximately 3,900 feet in depth, but the producing sands overlying the cap rock are probably Pliocene. The oil (18°-24° Be. gravity) occurs in a narrow zone on the south flank of the dome and in a small area overlying the cap. The initial production of the wells ranges from 25 to 3,000 barrels of oil per day, and from 1927 to the end of 1930 a little more than 2,000,000 barrels of oil has been produced from thirty-five wells
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