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. 17, 2023
Filed:
Aug. 22, 2022
Applicant:
Maersk Drilling A/s, Kgs. Lyngby, DK;
Inventor:
Allan McColl, Glasgow, GB;
Assignee:
NOBLE DRILLING A/S, Kgs. Lyngby, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/064 (2006.01); E21B 33/038 (2006.01); E21B 17/01 (2006.01); E21B 17/08 (2006.01); E21B 33/035 (2006.01); E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
E21B 33/064 (2013.01); E21B 33/038 (2013.01); E21B 17/01 (2013.01); E21B 17/085 (2013.01); E21B 33/0355 (2013.01); E21B 33/061 (2013.01);
Abstract
A control system for controlling disconnection of riser system that extends between a vessel and a subsea location that comprises a wellbore, the riser system configured to receive a string in use, the control system being configured to disconnect the riser system according to a sequence of operations, the sequence of operations comprising disconnecting the riser system prior to or simultaneous with cutting the string and sealing the well bore.