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. 25, 1985
Filed:
Dec. 01, 1983
Applicant:
Inventor:
William M Fore, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166139 ; 166140 ; 166217 ;
Abstract
The packer of the present invention includes mandrel means having first ratchet means and lug means disposed thereon, second ratchet means and drag spring means associated with tubular housing means surrounding said mandrel means, said housing means including slot means on the interior thereof, radially expandable slip means disposed about said mandrel means, a compressible packer element disposed about the lower end of said mandrel means, and packer element compression means associated with said mandrel means and said housing means.