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.

Date of Patent:
Sep. 01, 2026

Filed:

Jan. 26, 2023
Applicant:

Enhanced Drilling As, Straume, NO;

Inventor:
Assignee:

Enhanced Drilling AS, Straume, NO;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 37/00 (2006.01); B08B 9/032 (2006.01); E21B 17/01 (2006.01);
U.S. Cl.
CPC ...
E21B 37/00 (2013.01); B08B 9/0321 (2013.01); E21B 17/01 (2013.01); B08B 2209/032 (2013.01);
Abstract

An arrangement and a method for preventing collection of debris on or for removing debris, such as cuttings, from the top of a closed riser sealing device () in a subsea riser (). The arrangement comprises a flushing line and at least one flushing fluid inlet () to direct a jet of flushing fluid into said riser (). The inlet () directs flushing fluid into a space in the riser () immediately above said closing element. The invention also relates to a swirl element () located immediately above the riser sealing device () and being rotationally coupled to a drillstring ().


Find Patent Forward Citations

Stenshorne, Per. (2026). Arrangement for preventing collection of debris and cuttings on the top of a riser closure device (U.S. Patent No. 12723488). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12723488

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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