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.

Date of Patent:
Sep. 06, 2016

Filed:

Oct. 02, 2014
Applicant:

Baker Hughes Incorporated, Houston, TX (US);

Inventors:

Jai K. Koli, Houston, TX (US);

Don N. Simoneaux, Washington, LA (US);

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01); B23K 20/02 (2006.01); E21B 43/08 (2006.01); B01D 29/11 (2006.01); B01D 35/02 (2006.01);
U.S. Cl.
CPC ...
B23K 31/027 (2013.01); B01D 29/111 (2013.01); B23K 20/02 (2013.01); B23K 20/023 (2013.01); B23K 31/02 (2013.01); E21B 43/086 (2013.01); E21B 43/088 (2013.01); B01D 35/023 (2013.01); B23K 2201/06 (2013.01);
Abstract

A filtering assembly is laid flat on an outer shroud. An inner drainage layer is set over the filtering assembly while laid flat such that the inner drainage layer overlaps the filtering assembly. The inner drainage layer is sealed and secured to the outer shroud by diffusion bonding or welding while overlaying the filtering assembly. With the filtering assembly held firm between the inner drainage layer and the outer shroud a spiral winding procedure is commenced to roll the flat assembly into a cylindrical shape. The edges are sealed by welding or diffusion bonding. The spiral winding and seam closure can be done on a perforated base pipe or the base pipe can be inserted into the finished assembly at a later time and secured. Alternatively the filtering assembly and outer shroud, with or without the drainage layer can be wound over a perforated base pipe or a complete screen assembly.


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