Radiation-Induced Thickening for Set-On-Command Sealing Compositions and Methods of Use

James L. Davis; Vijay Gupta; David F. Myers; SJ Lewis; Lynn Davis; David F Myers; Lynn Soby; Vijay Gupta; Andrew Dummer; V Rao

Radiation-Induced Thickening for Set-On-Command Sealing Compositions and Methods of Use

Lewis, SJ., Davis, J., Myers, D., Soby, L., Gupta, V., Dummer, A., & Rao, V. (2012). Radiation-Induced Thickening for Set-On-Command Sealing Compositions and Methods of Use. (U.S. Patent No. 8162057). http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=8162057

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Abstract

The present invention includes methods relating to the setting of fluids or slurries in a wellbore. In one embodiment, a method of isolating a portion a wellbore by preparing a sealant composition comprising a fluid component and a polymeric additive component, placing the sealant composition into a wellbore and subjecting the sealant composition to ionizing radiation. The ionizing radiation can cause bonding between polymeric additive components and create a polymer matrix within the sealant composition that increases the mechanical strength of the sealant composition.