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:
Aug. 28, 1984
Filed:
Mar. 17, 1982
Applicant:
Inventors:
Gonzalo Vazquez, Houston, TX (US);
Neil H Akkerman, Houston, TX (US);
Assignee:
AVA International, Inc., Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
1661175 ; 166313 ; 166381 ;
Abstract
There is disclosed apparatus for use in controlling flow within a well bore wherein each of two or more well tubing strings are suspended from the head of the well, and a mandrel connected as a part of each string, in a position spaced vertically of the other mandrel connected to the other string, has a side pocket to one side of its bore to receive a fluid pressure responsive, flow controlling tool which is run into and out of the pocket on a wireline, as well as a second bore which receives a section of the other string for vertical movement with respect to the one string.