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. 03, 2024
Filed:
Dec. 10, 2020
Subsea Engenuity Limited, Inverurie, GB;
Michael Graham Morgan, Banff, GB;
SUBSEA ENGENUITY LIMITED, Inverurie, GB;
Abstract
A tool () for cementing an annulus in a subsea oil or gas well, and methods for using the tool are provided. The tool includes a safety module () providing fluid communication between an umbilical and a perforation and circulation module () mounted below it. The safety module () includes a mechanical lock for connection to a well head. The perforation and circulation module includes upper and lower seals () for sealing to the inner surface of a casing; an upper perforating device () mounted between the seals; a lower perforating device () mounted below the lower seal (); and supply (S) and return (R) fluid flow paths for circulating fluid from the safety module (). A diversion means () is provided in the supply fluid flow path, operable to redirect fluid supplied to the supply fluid flow path to a space defined between the upper and lower seals ().