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:
Sep. 08, 2020
Filed:
Jan. 21, 2016
Applicant:
Trican Completion Solutions Ltd, Calgary, Alberta, CA;
Inventors:
Assignee:
TRICAN COMPLETION SOLUTIONS LTD, Calgary, Alberta, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/06 (2006.01);
U.S. Cl.
CPC ...
E21B 34/063 (2013.01);
Abstract
The present invention relates to burst port subs (BPS)allowing for a tubingor a lineror a casingin a boreholeto be opened at a predetermined pressure and further providing a delayed opening sequence due to a dissolvable barrierarranged in a portof the sub. The present invention relates further to a downhole system comprising a predetermined number of such burst port subs (BPS)