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:
Jun. 20, 2006
Filed:
Dec. 19, 2002
Andrew L. Kurkjian, Sugar Land, TX (US);
Jean-marc Follini, Houston, TX (US);
Patrick J. Fisseler, Missouri City, TX (US);
Thomas W. Palmer, Ii, Stafford, TX (US);
Alexander Zazovsky, Houston, TX (US);
Andrew L. Kurkjian, Sugar Land, TX (US);
Jean-Marc Follini, Houston, TX (US);
Patrick J. Fisseler, Missouri City, TX (US);
Thomas W. Palmer, II, Stafford, TX (US);
Alexander Zazovsky, Houston, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A method and apparatus is provided to determine downhole pressures, such as annular pressure and/or pore pressure, during a drilling operation. A downhole drilling tool includes at least one conduit and a corresponding gauge. The conduit is positioned in the downhole tool and has an opening adapted to receive downhole fluids. The conduit is positionable in fluid communication with one of the wellbore and the formation whereby pressure is equalized therebetween. The gauge is provided for measuring the pressure in the conduit.