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. 07, 1988
Filed:
Oct. 06, 1986
Applicant:
Inventor:
Norman W Read, Dallas, TX (US);
Assignee:
Dresser Industries, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; F16K / ;
U.S. Cl.
CPC ...
166143 ; 166148 ; 166182 ; 166189 ; 166902 ; 137629 ; 13763019 ;
Abstract
A dual bore well treating tool having a pressure operated valve therein that is useful in conjunction with a dual bore packer and with a dual bore on and off or connection tool. One of the bores through the on/off tool, the treating tool and the packer is utilized for producing oil and/or gas from the well bore, and a second bore is utilized for opening the valve and for simultaneously injecting a treating material into the fluid being produced.