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:
Nov. 15, 2016
Filed:
Apr. 09, 2014
Applicant:
Gregory G. Galloway, Conroe, TX (US);
Inventor:
Gregory G. Galloway, Conroe, TX (US);
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/10 (2006.01); E21B 33/128 (2006.01);
U.S. Cl.
CPC ...
E21B 43/105 (2013.01); E21B 33/128 (2013.01); E21B 43/108 (2013.01);
Abstract
A tubular expansion system is configured to expand a tubular in a wellbore. The expansion system may include an expandable tubular having a lower section and an upper section; a first expansion member configured to expand the lower section; and a second expansion member configured to expand the upper section. The upper section may be expanded to have an inner diameter greater than an inner diameter of the expanded lower section. The second expansion member may be engaged and moved by the first expansion member and/or one or more support members to expand the upper section.