Deflector assembly for a lateral wellbore
US9243465B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2013 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Aug 10, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B41/0035
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A multi-deflector assembly for guiding a bullnose assembly into a selected borehole within a wellbore includes an upper deflector arranged within a main bore of a wellbore and defining first and second channels that extend longitudinally through the upper deflector, wherein the second channel exhibits a width greater than that of the first channel. A lower deflector is arranged within the main bore and spaced from the upper deflector by a predetermined distance. The lower deflector defines a first conduit that communicates with a lower portion of the main bore and a second conduit that communicates with a lateral bore. The upper and lower deflectors are configured to direct a bullnose assembly into one of the lateral bore and the lower portion of the main bore based on a length of a bullnose tip of the bullnose assembly as compared to the predetermined distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.