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. 23, 1984
Filed:
Jan. 20, 1983
Applicant:
Inventor:
Cyril R Sumner, Houston, TX (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175-456 ; 166250 ; 166297 ; 102200 ;
Abstract
A positive fire indicator well perforating system is disclosed. Predetermined time delay is introduced in a downhole series sequentially fired string of well perforating guns. Surface transducers detect vibratory energy from the downhole guns and record it as a function of time.