Radiation-induced triggering for set-on-command compositions and methods of use
US8459355B2 · kind B2 · utility
4Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2012 |
| Grant date | Jun 11, 2013 |
| Priority date | — |
| Expiry date | Jul 3, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B27/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods of isolating a portion of a wellbore comprising placing a sealant composition into a subterranean formation after drilling of the wellbore therein and subjecting the sealant composition to ionizing radiation wherein subjecting the sealant composition to the ionizing radiation alters the set modifier. The sealant composition comprises a set modifier selected from the group consisting of an accelerator, an oxidizing agent, a set retarder, and combinations thereof. And the sealant composition comprises a polymeric component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.