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.

Date of Patent:
May. 01, 2012

Filed:

Jul. 05, 2010
Applicants:

Daniel Jon Themig, Calgary, CA;

Jim Fehr, Sherwood Park, CA;

Inventors:

Daniel Jon Themig, Calgary, CA;

Jim Fehr, Sherwood Park, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 34/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus for fluid treatment of a borehole includes: a tubing string having a long axis and an upper end, a first, second and third ports opened through the wall of the tubing string; packers operable to seal about the tubing string and mounted on the tubing string; a closure on each port and each being actuable between a closed port position and a position permitting fluid flow through the ports from the tubing string inner bore; and a closure actuating mechanism for actuating the first closure and the second closure together from their closed port positions to their positions permitting fluid flow, while the third closure remains in the closed port position.


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