Degradable fiber for use in well treatment fluid, method for manufacturing same, and well treatment method
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
May 30, 2014
filing date -
Jun 3, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A fiber formed from a resin that degrades in treatment fluid for hydrocarbon resource recovery, an oligomer component content of a resin forming an outer surface of the fiber being not greater than 1 mass %, and a birefringence of the fiber being not less than 0.02; a method for manufacturing a degradable fiber for use in well treatment fluid, the oligomer component content of a resin that forms an outer surface of an undrawn yarn obtained in a spinning step being not greater than 1 mass %, and a birefringence of a drawn yarn before heat treatment in a drawing step being not less than 0.02; and a well treatment method using the well treatment fluid containing the degradable fiber for use in well treatment fluid and a proppant.
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
- E21B:EARTH OR ROCK DRILLING
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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