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. 27, 2003
Filed:
Dec. 22, 2000
Applicant:
Inventors:
John C. Gano, Carrollton, TX (US);
Henry L. Restarick, Carrollton, TX (US);
Assignee:
Halliburton Energy Services, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 2/300 ; E21B 3/708 ;
U.S. Cl.
CPC ...
E21B 2/300 ; E21B 3/708 ;
Abstract
The invention provides apparatus and methods for washing a wellbore ahead of an expansion swedge and radially expanding a sand-control screen jacket in a subterranean well. The methods and apparatus can be used in either the bottom-up or top-down direction and can accomplish borehole washing and screen expansion in a single trip.