Non-cryogenic production of nitrogen for on-site injection in well clean out
US6494262B1 · kind B1 · utility
6Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2000 |
| Grant date | Dec 17, 2002 |
| Priority date | — |
| Expiry date | Aug 24, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/402
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is disclosed a method 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.