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:
May. 29, 2018
Filed:
Dec. 04, 2014
GE Oil & Gas Uk Limited, Nailsea, Bristol, GB;
David Martin Smith, Bristol, GB;
GE Oil & Gas UK Limited, Nailsea, GB;
Abstract
A hydraulic flushing system includes a hydraulic downhole control line that runs from a hydraulic source to a surface controlled sub-surface safety valve of an underwater hydrocarbon extraction facility, where the hydraulic downhole control line includes a directional control valve. The hydraulic flushing system further includes a purge line coupled to the hydraulic downhole control line downstream of the directional control valve to a service line. The purge line includes a fluid isolation valve therein to enable purging of a hydraulic fluid. The hydraulic flushing system further includes a service line coupled to the purge line via the fluid isolation valve to store the purged hydraulic fluid.