Lateral seal and control system
US5787987A · kind A · utility
53Cited by
5References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Sep 4, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole multilateral completion tool is disclosed which includes a premachined window joint and a production tube adapted to be moved downhole through the window joint and kicked off into the pre-drilled lateral. A flange and seal form a part of the uphole end of the production tube and provide a 3500 psi seal after the production tube is placed in the lateral. The invention, moreover, includes an energizing sleeve which biases the flange into a sealed position and a packer which by pulling the production tube, enhances the seal of the flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.