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. 07, 2026
Filed:
Dec. 17, 2020
Enhanced Drilling As, Straume, NO;
Per Christian Stenshorne, Oslo, NO;
Gustav Olov Skärgård, Oslo, NO;
Enhanced Drilling AS, Straume, NO;
Abstract
The invention relates to an arrangement and methods to control volume of fluids in a well system having a riser () extending from a well to a rig. The riser () has an increased diameter section () situated below the upper end of the riser () and above any slip joint () in the riser. The arrangement further comprises a sensor () to continuously measure the position of the slip joint (). the increased diameter section () is coupled to an outlet () that is in fluid communication with a fluid return system (), and the arrangement further comprises a return pump () coupled between the outlet () and the mud return system (). The outlet () is arranged at a lower level than the mud return system (). Level sensors () measure the level of liquid within the increased diameter section ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile