Non-cryogenic production of nitrogen for on-site injection in well clean out
US6929068B2 · kind B2 · utility
6Cited by
13References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2002 |
| Grant date | Aug 16, 2005 |
| Priority date | — |
| Expiry date | Feb 19, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/402
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention generally relates to a well servicing system for cleaning out of a well in which a compressed inert gas, produced by the non-cryogenic separation of air is delivered to the region of the well where particulate matter has collected that inhibits the ability of the well to produce.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.