Coating processes – Particles – flakes – or granules coated or encapsulated
Reexamination Certificate
2011-02-08
2011-02-08
Ahmed, Shamim (Department: 1713)
Coating processes
Particles, flakes, or granules coated or encapsulated
C507S209000, C507S924000
Reexamination Certificate
active
07883740
ABSTRACT:
A method of treating a subterranean formation, comprising: at least partially coating particulates with a first layer of a first curable resin and allowing the first curable resin to substantially cure; and then, at least partially coating the particulates with a second layer of a second curable resin; and allowing the second layer of the second curable resin to substantially cure; and then, slurrying the coated particulates into a treatment fluid and placing the slurry into a subterranean formation. Improved particulates suitable for use in subterranean formations, comprising low-quality particulates that have been at least partially coated with a first layer of a first curable resin and then at least partially coated with a second layer of a second curable resin and wherein the first layer of the first curable resin is allowed to substantially cure before the application of the second layer of the second curable resin.
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Barton Johnny A.
Nguyen Philip D.
Ahmed Shamim
Halliburton Energy Service,s Inc.
Kent Robert A.
McDermott Will & Emery LLP
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