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:
Mar. 21, 2017
Filed:
May. 24, 2012
David Glen Martin, Aberdeen, GB;
Roland Marcel Van Dort, Stonehaven, GB;
David Glen Martin, Aberdeen, GB;
Roland Marcel Van Dort, Stonehaven, GB;
Other;
Abstract
A downhole flow control apparatus comprising: at least one tubular body () locatable at a zone of a well, the tubular body () having a longitudinal through bore and one or more transverse ports () and a port covering device () which, in use, is movable from a lower position in which the or each port is covered to an upper position in which the or each port is open; and at least one plugging device () which is operable to travel downhole from the surface to locate within and seal the through bore of the tubular body, the plugging device including moving means () to cause the port covering device () to move from the lower position to the upper position thus allowing fluid communication between the through bore and the or each port ().