Controlled release biocides in oilfield applications
US9371479B2 · kind B2 · utility
7Cited by
17References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2012 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Sep 4, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/267
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for treating a subterranean formation penetrated by a wellbore, the method including the introduction of a well treatment fluid containing at least an encapsulated biocide. Once the encapsulated biocide is introduced and after a predetermined period of time, a biocide is released from an encapsulation material and treats the wellbore and the subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.