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:
May. 14, 2002
Filed:
Feb. 11, 2000
Applicant:
Inventors:
David A. Buck, Breaux Bridge, LA (US);
Daniel S. Bangert, Broussard, LA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E12B 1/918 ;
U.S. Cl.
CPC ...
E12B 1/918 ;
Abstract
A snubbing unit drilling system which includes a power tong and a hydraulically activated back-up tong. A mounting structure having a rotating slip assembly positioned thereon such that the rotating slip assembly rotates relative to the mounting structure. A plurality of support legs are attached between the power tong, the back-up tong, and the mounting structure such that the support legs prevent relative rotation between the power tong and the mounting structure.