The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 1988
Filed:
Dec. 21, 1983
Applicant:
Inventor:
John D Houghton, Friendswood, TX (US);
Assignee:
Shell California Production Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122 33 ; 122 34 ; 122488 ;
Abstract
A system and method for producing steam for use in a thermal recovery process for crude oil. The system is particularly useful in combination with a cogeneration plant that produces high temperature process steam. The system uses a central steam drum-separating unit surrounded by a plurality of once-through heat exchangers.