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:
Jan. 21, 2014
Filed:
Jan. 06, 2011
John Kozicz, Spring, TX (US);
Tim Juran, Cypress, TX (US);
Andy Legault, Houston, TX (US);
Sandy Black, Cupar, GB;
John Mackay, Inverurie, GB;
Scott Niven, Aberdeen, GB;
Iain Sneddon, Scotland, GB;
John Kozicz, Spring, TX (US);
Tim Juran, Cypress, TX (US);
Andy Legault, Houston, TX (US);
Sandy Black, Cupar, GB;
John Mackay, Inverurie, GB;
Scott Niven, Aberdeen, GB;
Iain Sneddon, Scotland, GB;
Transocean Sedco Forex Ventures Limited, George Town Grand Cayman, KY;
Abstract
A drilling system employing a main tubular having a plurality of fluid inlet and outlet conduits positioned thereon and a concentric inner tubular having a plurality seals for sealing the annular space between the concentric inner and main tubulars. The fluid inlet and outlet conduits work in cooperation with the annular seals to selectively open and close for effective management of pressure within the tubulars.