Method of inerting pipelines, buried tanks or wellbores using an SAP
US9914828B2 · kind B2 · utility
1Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2012 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Jun 27, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F2003/065
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of inerting pipelines, or buried tanks or wellbores consisting of preparing a composition including at least one superabsorbent (co)polymer partially or fully swollen in the presence of water, then injecting the composition directly into the pipelines or buried tank or well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.