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:
Jun. 16, 1987
Filed:
Oct. 31, 1985
Applicant:
Inventors:
John W Minear, Houston, TX (US);
Raymond J McNiece, Houston, TX (US);
Assignee:
Delaware Halliburton Company, Duncan, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166 551 ; 175-455 ;
Abstract
For use in a tubing conveyed perforating gun assembly, the assembly including N shaped charges, a safety device is disclosed. In the preferred and illustrated embodiment, the safety device includes an N+1 shaped charge positioned to destroy a transmitter means forming a signal transmitted up the well. The transmitter means is secured within a cylindrical housing closed by a sacrificial cover, all assembled to the TCP gun assembly.