Wells – Processes – Specific pattern of plural wells
Patent
1979-11-23
1981-07-28
Leppink, James A.
Wells
Processes
Specific pattern of plural wells
166177, 166249, E21B 4325, E21B 4330
Patent
active
042805589
ABSTRACT:
A first casing is sonically driven into an earthen formation bearing a mineral such as oil. A second casing is similarly sonically driven into the same zone of the formation at a location spaced from the first casing. Water is pumped from the first casing into the formation. A series of piling members which may be in the form of sheets or may be tubular in shape are sonically driven into the formation at predetermined spaced positions between the two casings and with a predetermined orientation relative thereto. Sonic energy is simultaneously applied to the casings and piling members so as to cause resonant standing wave vibrations thereof while water is pumped through the first mentioned casing into the formation while mineral and water effluent are pumped out of the second casing. The sonic energy operates to loosen the mineral from the sand such that the pressurized water can effectively drive the oil to the second casing. After most of the mineral oil has been extracted out of the first area defined by the pilings, they may be removed from the group and reinstalled in different locations. and with a different orientation, this process being continued at various locations and orientations for the pilings between the two casings until all the usable mineral has been extracted from the vicinity of the two casings.
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Leppink James A.
Sokolski Edward A.
Suchfield George A.
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