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U.S. Department of Energy
Office of Scientific and Technical Information

Steam injection system for use in a well

Patent ·
OSTI ID:6071321
A steam injection system includes a steam deflector connectable to a tubing string. The 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 to pack off the well liner-tubing annulus both above and below the steam deflector. 2 claims.
Assignee:
Chevron Research Co.
Patent Number(s):
US 4099563
OSTI ID:
6071321
Country of Publication:
United States
Language:
English