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:
Feb. 25, 1986
Filed:
Oct. 30, 1984
Applicant:
Inventors:
Cor F Vanegmond, Houston, TX (US);
Peter Van Meurs, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166385 ; 166302 ; 166 60 ; 219278 ;
Abstract
A well heater is installed in a well by spooling electrical cable assemblies for heating and supplying power, in proper sequence, on at least one spooling means, unspooling them and attaching them to a heat- and tension-stable support means as the resulting assembly is drawn into the well by a weight attached to the support means.