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:
Aug. 20, 2013
Filed:
Dec. 21, 2010
Thomas a Fraser, Spring, TX (US);
John G Landthrip, Katy, TX (US);
Eric D Larson, Tomball, TX (US);
Sara N Riddle, Houston, TX (US);
Dale Norman, Spring, TX (US);
Jamie C Gamble, Houston, TX (US);
Satish N Ramasheshaiah, Houston, TX (US);
James R Reams, Houston, TX (US);
Thomas A Fraser, Spring, TX (US);
John G Landthrip, Katy, TX (US);
Eric D Larson, Tomball, TX (US);
Sara N Riddle, Houston, TX (US);
Dale Norman, Spring, TX (US);
Jamie C Gamble, Houston, TX (US);
Satish N Ramasheshaiah, Houston, TX (US);
James R Reams, Houston, TX (US);
BP Corporation North America Inc., Houston, TX (US);
Abstract
A cap is lowered onto and secured to a subsea member with an external flange, effecting a seal between the external flange and cap. The cap includes a tubular outer body defining a cavity, and a tubular inner body defining a bore, wherein the lower end of the inner body resides within the cavity. The cap also includes a lower engaging member coupled to the outer body that is radially movable between an inward state and an outward state and configured to alternately engage and disengage at least one of a backside of the external flange. Finally, the cap includes an upper engaging member coupled to the outer body and being radially movable independently of the lower engaging member between an inward state and an outward state and configured to engage and disengage the inner body.