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:
Feb. 26, 2008
Filed:
Feb. 02, 2004
Richard L. Giroux, Cypress, TX (US);
Gregory G. Galloway, Conroe, TX (US);
Tuong Thanh Le, Katy, TX (US);
Raymond H. Jackson, Spring, TX (US);
Gregory R. Nazzal, Kingwood, TX (US);
James C. Swarr, The Woodlands, TX (US);
David J. Brunnert, Houston, TX (US);
William M. Beasley, Waller, TX (US);
Brent J. Lirette, Houston, TX (US);
Albert C. Odell, Kingwood, TX (US);
Jim Terry, Houston, TX (US);
Dave Mckay, Stonehaven, GB;
Samir Alkhatib, Aberdeen, GB;
Mike Wardley, Aberdeen, GB;
Richard L. Giroux, Cypress, TX (US);
Gregory G. Galloway, Conroe, TX (US);
Tuong Thanh Le, Katy, TX (US);
Raymond H. Jackson, Spring, TX (US);
Gregory R. Nazzal, Kingwood, TX (US);
James C. Swarr, The Woodlands, TX (US);
David J. Brunnert, Houston, TX (US);
William M. Beasley, Waller, TX (US);
Brent J. Lirette, Houston, TX (US);
Albert C. Odell, Kingwood, TX (US);
Jim Terry, Houston, TX (US);
Dave McKay, Stonehaven, GB;
Samir Alkhatib, Aberdeen, GB;
Mike Wardley, Aberdeen, GB;
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.