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:
Dec. 09, 2003
Filed:
Feb. 06, 2002
Applicant:
Inventor:
James R. Hogan, Bartlesville, OK (US);
Assignee:
Schlumberger Technology Corp., Sugar Land, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 4/300 ; E21B 4/700 ; E21B 4/712 ;
U.S. Cl.
CPC ...
E21B 4/300 ; E21B 4/700 ; E21B 4/712 ;
Abstract
A component, such as an electric motor, for use in a subterranean environment. The component comprises an attached recording system to record the cumulative use time of the component. The recording system typically includes a timing circuit or other circuit to output data related to use of the component. This data is recorded by a recording device to maintain a cumulative total.