Steam injection system for use in a well
US4099563A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1977 |
| Grant date | Jul 11, 1978 |
| Priority date | — |
| Expiry date | Mar 31, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87804
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A steam injection system including a steam deflector connectable into a tubing string which steam deflector provides for selectively passing steam through the tubing string to the bottom thereof or diverting steam from inside the tubing string out into the wall liner-tubing annulus and in a direction concentric with and substantially parallel to the longitudinal axis of the tubing string and above the bottom end thereof utilizing a sliding-sleeve arrangement and packer cup means packing off the well liner-tubing annulus both above and below the steam deflector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.