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:
Apr. 27, 2010
Filed:
Sep. 21, 2007
Mark Buyers, Aberdeen, GB;
David Forsyth, Aberdeen, GB;
Mark Buyers, Aberdeen, GB;
David Forsyth, Aberdeen, GB;
Abstract
A pressure barrier apparatusfor providing a removable pressure barrier in a borehole is described. The apparatus comprises a housingdefining a central borehaving a first partand a second partseparated by an erodeable pressure barrier member. The housing also defines a second fluid flow passagefor connecting the first part to the second part, and a plurality of conduitsfor directing fluid onto the barrier member. A sleevehas a first condition in which fluid communication between the first partand the second fluid flow passageis prevented, and a second condition in which fluid is permitted to flow from the first part to the second fluid flow passage to cause erosion of the barrier member.