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. 27, 1986
Filed:
Mar. 26, 1985
Applicant:
Inventor:
Robert T Evans, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
166127 ; 166128 ; 166138 ;
Abstract
An improved retrievable compression set straddle packer assembly for use in oil and gas wells. The straddle packer assembly comprises an hydraulic slip assembly, an injection mandrel assembly, a packer assembly, a mechanical slip assembly, a drag block assembly, and a bypass assembly.