Creating radial slots in a wellbore
US10273787B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2014 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Jul 20, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A laser cutting apparatus operable in a wellbore to form radial slots in a subterranean formation penetrated by the wellbore and a casing lining at least a portion of the wellbore. The laser cutting apparatus includes a housing, a deflector system, and an optical member. The deflector system is disposed for rotation about a first axis within the housing and is rotatable about a second axis at a distance from the first axis. The optical member conducts a laser beam incident upon the deflector system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.