Method for preserving core sample integrity
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United States of America Patent
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Sep 4, 2001
Issued Date -
N/A
app pub date -
Dec 15, 2000
filing date -
Jan 8, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method for protecting integrity of a core sample during transport from a subterranean formation to the surface comprising: cutting a core sample from the subterranean formation using a drilling fluid; encapsulating the core sample with an encapsulating material that is separate from the drilling fluid and comprises a property which renders the encapsulating material capable of protecting the chemical integrity of the core sample during transport from the subterranean formation to the surface, wherein the property is other than a property selected from the group consisting of a viscosity which increases in response to a decrease in temperature and an ability to solidify in response to a decrease in temperature; and, transporting the encapsulated core sample from the subterranean formation to the surface.
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