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:
Oct. 17, 1978
Filed:
Jun. 23, 1977
Applicant:
Inventor:
Early B Denison, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ; H01R / ;
U.S. Cl.
CPC ...
340 / ; 174 47 ; 339 / ; 340 / ;
Abstract
A combination saver sub, kelly and lower kelly cock for use with a drill string having a hard wired telemetering system installed therein. The combination includes a hard wired circuit for extending the circuit from the top of the drill pipe to a slip ring assembly mounted on the kelly.