Isolation of subterranean zones
US6745845B2 · kind B2 · utility
103Cited by
376References
68Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2001 |
| Grant date | Jun 8, 2004 |
| Priority date | — |
| Expiry date | Dec 10, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/305
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
One or more subterranean zones are isolated from one or more other subterranean zones using a combination of solid tubulars and perforated tubulars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.