Wellbore junction drifting apparatus and associated method
US6915855B2 · kind B2 · utility
29Cited by
22References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2004 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | Jan 27, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An expanding wellbore junction system, apparatus and methods are provided for forming a sealed wellbore intersection in a subterranean well. In one described method, an expandable wellbore junction is expanded within an under-reamed cavity in a wellbore. Intersecting tubular legs of the wellbore junction are then drifted using a drifting apparatus. A deflection device may be used to direct a drift of the drifting apparatus into a selected one of the wellbore junction legs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.