Expandable wellbore junction
US6189616A · kind A · utility
200Cited by
16References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2000 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | Mar 10, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/106
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Multiple wellbores are interconnected utilizing a deflection device having a guide layer of lower hardness than the body of the deflection device, and a cutting tool having a guide portion and being operative to cut through the deflection device guide layer and a tubular structure lining a wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.