Non-cryogenic nitrogen for on-site downhole drilling and post drilling operations
US6443245B2 · kind B2 · utility
6Cited by
13References
47Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 26, 2001 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Mar 26, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for enhancing gas or oil production by delivering a nitrogen rich gas produced from a non-cryogenic source into the well and/or reservoir where the gas and/or oil is located.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.