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:
Jan. 03, 1989
Filed:
Nov. 08, 1985
Applicant:
Inventor:
Aubrey C Mills, Houston, TX (US);
Assignee:
AVA International Corporation, Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21B / ;
U.S. Cl.
CPC ...
166387 ; 166127 ; 166147 ; 166187 ; 166191 ;
Abstract
There is disclosed apparatus for use in completing oil or gas wells having two or more perforated production zones which includes packers and assemblies for closing off the annular space between the tubing string and the well bore intermediate adjacent zones to isolate one from the other in order to produce from each individually.