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. 30, 2007
Filed:
Feb. 06, 2003
Applicant:
Robert P. Badrak, Sugar Land, TX (US);
Inventor:
Robert P. Badrak, Sugar Land, TX (US);
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01); E21B 19/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Aspects of the present invention provide methods and apparatus for connecting two tubulars using a welding process with reduced inner diameter flash. The method includes connecting an end of a first expandable tubular to an end of a second expandable tubular using a welding process and reducing an inner diameter flash using a flash reducing device. In one embodiment, the flash reducing device is a plug disposed in the bore of the two tubulars. In another embodiment, the flash reducing device is a roller member. In a further embodiment, the flash reducing device is a rotating cutting member.