Borehole stressed packer inflation system
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United States of America Patent
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Dec 21, 1993
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N/A
app pub date -
Apr 8, 1992
filing date -
Apr 8, 1992
priority date (Note) -
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Abstract
A method for determining a proper inflation pressure for an elongated inflatable packer to effect a positive contact stress seal of an elastomer packer element with a borehole wall in a wellbore traversing earth formations. The temperature differential for each layer in a radial plane is determined. The final contact stress, the finite inflation pressure required to inflate the packer element and the temperature differential are functionally interrelated to one another to obtain a final contact stress or the packer element with a borehole wall.
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