Title:
HOLLOW HYDROGEL CAPSULES AND METHODS OF USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2014/099650
Kind Code:
A3
Abstract:
The present invention relates to hollow hydrogel capsules. In various embodiments, the present invention provides a method of treating a subterranean formation with a hollow hydrogel capsule including a hydrogel shell including a hydrolyzed and crosslinked polymerized composition. The hollow hydrogel capsule also includes a hollow interior including at least one component of a downhole composition for subterranean petroleum or water well drilling, stimulation, clean-up, production, completion, abandonment, or a combination thereof. In various embodiments, the present invention provides compositions comprising the hollow hydrogel capsules and methods of making the hollow hydrogel capsules.
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Inventors:
LIVANEC PHILIP WAYNE (US)
KLASNER SCOTT ANTHONY (US)
KLASNER SCOTT ANTHONY (US)
Application Number:
PCT/US2013/074946
Publication Date:
November 20, 2014
Filing Date:
December 13, 2013
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
International Classes:
C09K8/03; B01J13/02; C08J3/075
Foreign References:
| US20040014607A1 | 2004-01-22 | |||
| US20050167104A1 | 2005-08-04 | |||
| US6357527B1 | 2002-03-19 | |||
| US7304098B2 | 2007-12-04 |
Other References:
KIM, JUNOH ET AL.: "Template-free uniform-sized hollow hydrogel capsules with controlled shell permeation and optical responsiveness.", LANGMUIR., vol. 28, no. 32, 2012, pages 11899 - 11905, XP055252317
See also references of EP 2909282A4
See also references of EP 2909282A4
Attorney, Agent or Firm:
MADDEN, Robert, B. et al. (Minneapolis, Minnesota, US)
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