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:
Aug. 15, 2017
Filed:
Mar. 06, 2014
Applicant:
Vosstech As, Voss, NO;
Inventors:
Assignee:
Vosstech AG, Voss, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 34/06 (2006.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 33/1208 (2013.01); E21B 34/063 (2013.01);
Abstract
A disintegrable plug apparatus for use in connection with petroleum wells, especially during pressure testing of such petroleum wells. The plug apparatus has an outer housing surrounding at least one sealing device and a plurality of supporting bodies, where at least one of the supporting bodies is in engagement with a locking device for locking to a locking sleeve. After application of a predetermined pressure on the plug apparatus, the at least one supporting body and the at least one sealing device are permitted an axial movement such that the at least one sealing device is brought into contact with loading devices for disintegration of the at least one sealing device.