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. 22, 2008
Filed:
May. 28, 2005
Applicants:
Robert Alden Folk, Calgary, CA;
Steven Lorne Folk, Sherwood Park, CA;
Inventors:
Robert Alden Folk, Calgary, CA;
Steven Lorne Folk, Sherwood Park, CA;
Assignee:
Varco I/P, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 15/00 (2006.01); E21B 3/02 (2006.01); E21B 19/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system for wellbore operations, the system, in at least certain aspects, including a derrick, a guide beam connected to the derrick, a top drive movable on the guide beam, torque reaction structure connected to the guide beam and to the derrick, skid apparatus held by the torque reaction structure, the skid apparatus movable vertically with respect to the torque reaction structure to prevent a vertical load from passing from the skid apparatus to the torque reaction structure.