Patent · US Expired

Steam injection system for use in a well

US4099563A · kind A · utility

112Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1977
Grant dateJul 11, 1978
Priority date
Expiry dateMar 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.