Method for determining true fracture pressure
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United States of America Patent
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Mar 25, 1986
Grant Date -
N/A
app pub date -
Aug 24, 1984
filing date -
Aug 24, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for determining true fracture pressure of earth formations disposed below a liner or casing cemented in place comprising the location of an elastomer sealing element cemented in place against the borehole wall at the bottom of the liner or casing and just above the casing shoe so as to prevent annular migration of liquids in the seal interface with the earth formations and to permit true fracture pressure of the formations to be determined.
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