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:
Mar. 26, 2013
Filed:
May. 13, 2010
James J. Howell, Bryan, TX (US);
David Daniel Comeaux, Houston, TX (US);
Richard Porteous, Ellon, GB;
Mariusz Karp, Kryg, PL;
James J. Howell, Bryan, TX (US);
David Daniel Comeaux, Houston, TX (US);
Richard Porteous, Ellon, GB;
Mariusz Karp, Kryg, PL;
Vetco Gray Inc., Houston, TX (US);
Abstract
A system and method for accessing an annulus within a wellhead assembly while the annulus is pressurized. The system includes a tubular body with an attached valve assembly and adapter. The adapter to the wellhead assembly with a sealed annular fitting. The body houses a selectively extendable plunger assembly rotatable by an attached motor. A bit or milling device is provided on the end of the plunger assembly, so that selectively extending the plunger assembly through the valve assembly and adapter contacts the bit against the wellhead assembly. An opening is formed through the wellhead assembly with the rotating bit allowing access to the annulus.