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:
Aug. 31, 1976
Filed:
Feb. 03, 1975
Applicant:
Inventors:
Douglas E Broussard, Houston, TX (US);
Paul R Scott, Houston, TX (US);
Vitold R Kruka, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; F17D / ;
U.S. Cl.
CPC ...
166266 ; 166267 ; 166303 ; 137 13 ;
Abstract
Water employed for the pipeline transmission of an oil core inside a water annulus is conserved by continuously recycling the water either for further use as a core flow fluid or for use in oil production.