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. 17, 2009
Filed:
Jul. 29, 2005
Richard Lee Giroux, Cypress, TX (US);
Albert C. Odell, Ii, Kingwood, TX (US);
Gary Thompson, Katy, TX (US);
David Haugen, League City, TX (US);
Tuong Thanh Le, Katy, TX (US);
Robert Dugal, Houston, TX (US);
Karsten Heidecke, Houston, TX (US);
David Shahin, Houston, TX (US);
Richard Lee Giroux, Cypress, TX (US);
Albert C. Odell, II, Kingwood, TX (US);
Gary Thompson, Katy, TX (US);
David Haugen, League City, TX (US);
Tuong Thanh Le, Katy, TX (US);
Robert Dugal, Houston, TX (US);
Karsten Heidecke, Houston, TX (US);
David Shahin, Houston, TX (US);
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
In one embodiment, a top drive system for drilling with casing is provided with an access tool to retrieve a downhole tool. The top drive system for drilling with casing comprises a top drive; a top drive adapter for gripping the casing, the top drive adapter operatively coupled to the top drive; and an access tool coupled to the top drive and adapted for accessing a fluid passage of the top drive system. In another embodiment, a method for retrieving a downhole tool through a tubular coupled to a top drive adapter of a top drive system is provided. The method comprises coupling an access tool to the top drive system, the access tool adapted to provide access to a fluid path in the top drive system and inserting a conveying member into the fluid path through the access tool.