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:
Oct. 24, 2006
Filed:
Feb. 12, 2003
Dewayne Turner, Tomball, TX (US);
Donald H. Michel, Broussard, LA (US);
Marvin Bryce Traweek, Iv, Houston, TX (US);
Richard J. Ross, Houston, TX (US);
Floyd Romaine Bishop, Humble, TX (US);
Dewayne Turner, Tomball, TX (US);
Donald H. Michel, Broussard, LA (US);
Marvin Bryce Traweek, IV, Houston, TX (US);
Richard J. Ross, Houston, TX (US);
Floyd Romaine Bishop, Humble, TX (US);
BJ Services Company, U.S.A., Houston, TX (US);
Abstract
An isolation string having: an upper packer; and an isolation pipe in mechanical communication with the upper packer, wherein the isolation pipe comprises a pressure activated valve and an object activated valve. A method having: running-in an isolation string on a service tool, wherein the isolation string comprises a pressure activated valve and a object activated valve; setting the isolation string in the casing adjacent perforations in the casing; releasing an object from the service tool, whereby the object travels to the object activated valve; closing the object activated valve with the released object; and withdrawing the service tool from the well.