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:
May. 06, 2003
Filed:
Jun. 29, 2001
Applicant:
Inventors:
Edward Paul Cernocky, Houston, TX (US);
Allen J. Lindfors, Inyokern, CA (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/3117 ;
U.S. Cl.
CPC ...
E21B 4/3117 ;
Abstract
A method and apparatus for perforating tubular members coaxial outside and inside surfaces with a continuous wall extending therebetween attaches at least one explosive charge in direct contact with the wall of the tubular with at least one detonation device in communication with the explosive device. A control station in wireless and cableless communication with the at least one detonation device selects from radio waves, infrared waves, acoustic waves, optical light waves, seismic waves, and combinations thereof to activate the at least one detonation device.